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Check if string contains only digits
...ce. Several jQuery competitors that existed then, before jQuery had yet to win out, all practiced prototype extensions.
– balupton
Sep 7 '19 at 17:38
add a comment
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How to detect if multiple keys are pressed at once using JavaScript?
... found me');
}else if(map[13]){ // ENTER
alert('You pressed Enter. You win the prize!')
}
// Incorrect:
if(map[17] && map[13]){ // CTRL+ENTER
alert('You found me');
}else if(map[17] && map[16] && map[13]){ // CTRL+SHIFT+ENTER
alert('Whoa, mr. power user');
}else ...
Is there a JavaScript MVC (micro-)framework? [closed]
...Script and uses CoffeeScript's style of classes — not that that's a huge win, but it's kinda nice.
– a paid nerd
Nov 11 '11 at 21:53
1
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How do I remove/delete a virtualenv?
I created an environment with the following command: virtualenv venv --distribute
16 Answers
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Detecting touch screen devices with Javascript
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In order to also detect IE 10 touch I'm using: (window.navigator.msMaxTouchPoints || ('ontouchstart' in document.documentElement));
– Alexander Kellett
Mar 8 '13 at 10:45
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Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)
... updated version here psionides.jogger.pl/2010/12/12/… (spoiler: JSONKit wins).
– Kuba Suder
Dec 19 '10 at 16:22
2
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Internet Explorer 11 detection
...those who prefer another solution , without using ActiveX)
var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
// true on IE11
// false on Edge and other IEs/browsers.
Original Answer
In order to check Ie11 , you can use this : ( tested)
(or run this)
!(window....
How to install 2 Anacondas (Python 2 and 3) on Mac OS
... Then how can I switch between python2 and python3? And BTW, I'm on win7.
– cqcn1991
Jun 12 '15 at 10:27
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Which library should I use for server-side image manipulation on Node.JS? [closed]
...ore mature and provide better performance. Basically I want to do the following:
3 Answers
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boost::flat_map and its performance compared to map and unordered_map
...overhead. The problem is that when comparing to another container B, A may win over B for small types, and lose for larger types.
Point 3 is the same as point 2, except it multiplies the cost by some weighting factor.
Point 4 is a question of big O mixed with cache issues. Some bad-complexity cont...