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how to make twitter bootstrap submenu to open on the left side?
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12 Answers
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How to automatically generate a stacktrace when my program crashes
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521
For Linux and I believe Mac OS X, if you're using gcc, or any compiler that uses glibc, you can ...
Can TCP and UDP sockets use the same port?
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112
Yes, you can use the same port number for both TCP and UDP. Many protocols already do this, f...
postgresql - sql - count of `true` values
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10 Answers
10
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How to create a hash or dictionary object in JavaScript [duplicate]
...se an array if you want named keys, use a plain object.
var a = {};
a["key1"] = "value1";
a["key2"] = "value2";
Then:
if ("key1" in a) {
// something
} else {
// something else
}
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Command to remove all npm modules globally?
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517
The following command removes all global npm modules. Note: this does not work on Windows. For ...
Does JavaScript have “Short-circuit” evaluation?
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120
Yes, JavaScript has "short-circuit" evaluation.
if (true == true || foo.foo){
// Passes, ...
difference between #if defined(WIN32) and #ifdef(WIN32)
I am compiling my program that will running on linux gcc 4.4.1 C99.
3 Answers
3
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Capture key press (or keydown) event on DIV element
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(1) Set the tabindex attribute:
<div id="mydiv" tabindex="0" />
(2) Bind to keydown:
$('#mydiv').on('keydown', function(event) {
//console.log(event.keyCode);
switch(event.keyCode){
//....your actions...