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Convert array to JSON

...y: https://github.com/douglascrockford/JSON-js/blob/master/json2.js And call: var myJsonString = JSON.stringify(yourArray); Note: The JSON object is now part of most modern web browsers (IE 8 & above). See caniuse for full listing. Credit goes to: @Spudley for his comment below ...
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When do you use Java's @Override annotation and why?

... that you can take advantage of the compiler checking to make sure you actually are overriding a method when you think you are. This way, if you make a common mistake of misspelling a method name or not correctly matching the parameters, you will be warned that you method does not actually override...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

...time by counting timer ticks in the underlying timer mechanism. If the installed hardware and operating system support a high-resolution performance counter, then the Stopwatch class uses that counter to measure elapsed time. Otherwise, the Stopwatch class uses the system timer to measure elapsed ti...
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Can a div have multiple classes (Twitter Bootstrap) [duplicate]

...d you shouldn't use them together, or you'd get an unexpected result, basically what will happen is that the class with the highest specificity will be the one applied (or if they have the same then it'll be the one that's defined last on the CSS). So you better avoid doing stuff like this: <p c...
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How do I make an HTML button not reload the page

...ed the page reloads. Since I have some jQuery hide() functions that are called on page load, this causes these elements to be hidden again. How do I make the button do nothing, so I can still add some action that occurs when the button is clicked but not reload the page. ...
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How to kill an Android activity when leaving it so that it cannot be accessed from the back button?

... You just need to call finish() Intent intent = new Intent(this, NextActivity.class); startActivity(intent); finish(); share | improve this ...
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“Rate This App”-link in Google Play store app on the phone

...constant was deprecated in API level 21. As of API 21 this performs identically to FLAG_ACTIVITY_NEW_DOCUMENT which should be used instead of this. – xnagyg Aug 27 '15 at 12:58 2 ...
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Graph visualization library in JavaScript

...ructure that represents a directed graph, and I want to render that dynamically on an HTML page. These graphs will usually be just a few nodes, maybe ten at the very upper end, so my guess is that performance isn't going to be a big deal. Ideally, I'd like to be able to hook it in with jQuery so th...
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How can I detect the encoding/codepage of a text file

...itively Must Know About Unicode and Character Sets (No Excuses!). Specifically Joel says: The Single Most Important Fact About Encodings If you completely forget everything I just explained, please remember one extremely important fact. It does not make sense to have a string without knowi...
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How should I store GUID in MySQL tables?

... I could do the same thing in 4 bytes with an Integer. Since he put that challenge out there to me I thought now was a good time to mention it. That being said... You can store a guid as a CHAR(16) binary if you want to make the most optimal use of storage space. ...