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Get specific ArrayList item

...unction is documented, or perhaps just because it's (by far) the worst of (now) 6 answers which all say essentially the same thing. – Bernhard Barker Aug 13 '15 at 17:37 add a...
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Reverse of JSON.stringify?

...ad the OP as saying "I converted a javascript object to a JSON string, and now I want to convert it back - how do I do it?" All the other answers say just use JSON.parse. I'm just warning that theres a lot of cases that will not handle correctly. If you're using pure primitive data (no classes, prot...
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Input placeholders for Internet Explorer

... That plugin isn't maintained anymore, and has a lot of known issues. – Ian Dunn Nov 16 '12 at 22:51 13 ...
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Reconnection of Client when server reboots in WebSocket

... ws.onclose = function(){ console.log('closed!'); //reconnect now check(); }; } function check(){ if(!ws || ws.readyState == 3) start(); } start(); setInterval(check, 5000); }); This will retry as soon as the server closes the connection, and it will chec...
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Are C++ enums signed or unsigned?

... // signed enum enum Y : unsigned int { ... }; // unsigned enum Even now, though, some simple validation can be achieved by using the enum as a variable or parameter type like this: enum Fruit { Apple, Banana }; enum Fruit fruitVariable = Banana; // Okay, Banana is a member of the Fruit enu...
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Count the number of commits on a Git branch

... rev-list --count flag doesn't exist in git 1.7. Right now, the downvoted-to-hell suggestions below using git log are working better than any other suggestions. – aaronbauman Jan 21 '16 at 14:20 ...
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How to detect idle time in JavaScript elegantly?

...t.onkeypress = resetTimer; function logout() { alert("You are now logged out.") //location.href = 'logout.html' } function resetTimer() { clearTimeout(time); time = setTimeout(logout, 3000) // 1000 milliseconds = 1 second } }; And init the ...
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html onchange event not working

...o "onchange" event that reports changes immediately, at least as far as I know. But there is a solution that works for all cases: set up a timing event using setInterval(). Let's say that your input field has an id and name of "city": <input type="text" name="city" id="city" /> Have a glob...
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Why does range(start, end) not include end?

...ameters represents the "start and end". It is actually start and "stop". Now, if it were the "end" value then, yes, you might expect that number would be included as the final entry in the sequence. But it is not the "end". Others mistakenly call that parameter "count" because if you only ever us...
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Python Anaconda - How to Safely Uninstall

...g of the line). Then reload the ~/.bashrc file executing source ~/.bashrc Now, verify the changes executing which python in the new terminal. share | improve this answer | f...