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q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About

Companion files to kdb+ and q

code.kx.com/q

Topics

companion-filescppjavakdbq

Resources

Readme
Apache-2.0 license
Activity
Custom properties

Stars

471 stars

Watchers

41 watching

Forks

170 forks
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Used by

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - KxSystems/kdb: Companion files to kdb+ and q · GitHub
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q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About
Companion files to kdb+ and q
code.kx.com/q
Topics
companion-filescppjavakdbq
Resources
Readme
Apache-2.0 license
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471 stars
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41 watching
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170 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - KxSystems/kdb: Companion files to kdb+ and q · GitHub
Skip to content
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q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About
Companion files to kdb+ and q
code.kx.com/q
Topics
companion-filescppjavakdbq
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
471 stars
Watchers
41 watching
Forks
170 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - KxSystems/kdb: Companion files to kdb+ and q · GitHub
Skip to content
BranchesTags
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q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About
Companion files to kdb+ and q
code.kx.com/q
Topics
companion-filescppjavakdbq
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
471 stars
Watchers
41 watching
Forks
170 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
GitHub - KxSystems/kdb: Companion files to kdb+ and q · GitHub
Skip to content
BranchesTags
Repository files navigation
q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About
Companion files to kdb+ and q
code.kx.com/q
Topics
companion-filescppjavakdbq
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
471 stars
Watchers
41 watching
Forks
170 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - KxSystems/kdb: Companion files to kdb+ and q · GitHub
Skip to content
BranchesTags
Repository files navigation
q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About
Companion files to kdb+ and q
code.kx.com/q
Topics
companion-filescppjavakdbq
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
471 stars
Watchers
41 watching
Forks
170 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - KxSystems/kdb: Companion files to kdb+ and q · GitHub
Skip to content
BranchesTags
Repository files navigation
q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About
Companion files to kdb+ and q
code.kx.com/q
Topics
companion-filescppjavakdbq
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
471 stars
Watchers
41 watching
Forks
170 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
GitHub - KxSystems/kdb: Companion files to kdb+ and q · GitHub
Skip to content
BranchesTags
Repository files navigation
q is a general purpose rdbms(kdb+) and programming language.
OLTP from 1 to 10 million records per second per cpu.
OLAP from 1 to 100 million records per second per cpu.
c clients (c java .net)
d documentation
e examples
taq superceded by http://github.com/kxsystems/kdb-taq
tick tick utils, kdb+tick available from http://github.com/kxsystems/kdb-tick
sample database scripts
sp.q	supplier/part
trade.q	trade
financial apps built with q
tick	tickerplant (1 million transactions per second)
taq	loader for 100+ billion us equity trades and quotes
o/s specific binaries
l64 64bit linux/intel
l64arm 64bit linux/arm
s64 64bit solaris/sparc
v64 64bit solaris/amd
w64 64bit windows
m64 64bit macintosh
l32	32bit linux/intel
s32	32bit solaris
w32	32bit windows
You are welcome to download and use this code according to the terms of the licence. Kx Systems recommends you do not link your application to this repository, which would expose your application to various risks:
- This is not a high-availability hosting service
- Updates to the repo may break your application - Code refactoring might return 404s to your application
Instead, download code and subject it to the version control and regression testing you use for your application.

About
Companion files to kdb+ and q
code.kx.com/q
Topics
companion-filescppjavakdbq
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
471 stars
Watchers
41 watching
Forks
170 forks
Report repository
Releases
Packages
Used by
Contributors
Languages