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What are the typical reasons Javascript developed on Firefox fails on IE? [closed]

...compliance mode for them to be available. General: Problems with partially loaded documents: It’s a good idea to add your JavaScript in a window.onload or similar event as IE doesn’t support many operations in partially loaded documents. Differing attributes: In CSS, it's elm.style.styleFlo...
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Is if(items != null) superfluous before foreach(T item in items)?

... @CodeInChaos: Do you typically find that the speed of enumerating an empty sequence is the performance bottleneck in your program? – Eric Lippert Jun 23 '11 at 15:19 ...
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Does static constexpr variable inside a function make sense?

...n with static const integers.) The C++ object model (§1.9) requires that all objects other than bit-fields occupy at least one byte of memory and have addresses; furthermore all such objects observable in a program at a given moment must have distinct addresses (paragraph 6). This does not quite r...
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What blocks Ruby, Python to get Javascript V8 speed? [closed]

...ineers working on it, that have decades of experience (I'm talking individually – collectively it's more like centuries) in creating high-performance execution engines for dynamic OO languages. They are basically the same people who also created the Sun HotSpot JVM (among many others). Lars Bak,...
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What's the fastest way to loop through an array in JavaScript?

...o Currently, the fastest form of loop (and in my opinion the most syntactically obvious). A standard for-loop with length caching var i = 0, len = myArray.length; while (i < len) { // your code i++ } I would say, this is definitely a case where I applaud JavaScript en...
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Accessing Imap in C# [closed]

....Mail. You can download the code by going to the Code tab and click the small 'Download' icon. As the author does not provide any pre-built downloads, you must compile it yourself. (I believe you can get it through NuGet though). There is no longer a .dll in the bin/ folder. There is no documentat...
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JavaScript function in href vs. onclick

...ut wasn't the question asking about the difference between putting the JS call inline in href versus inline in onclick? Assuming you were going to put it inline for some reason, which should you use? (In practice I would do what you've suggested, but you seem to have skipped over the difference betw...
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How to replace multiple white spaces with one white space

...on isn't as simple as other posters have made it out to be (and as I originally believed it to be) - because the question isn't quite precise as it needs to be. There's a difference between "space" and "whitespace". If you only mean spaces, then you should use a regex of " {2,}". If you mean any wh...
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How to deal with “java.lang.OutOfMemoryError: Java heap space” error?

...form you are running on. In Windows 32 bit this is around 2GB (not specifically heap but total amount of memory per process). It just happens that Java chooses to make the default smaller (presumably so that the programmer can't create programs that have runaway memory allocation without running int...
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Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails

...d FROM sourcecodes) should help to get rid of those IDs. Or if null is not allowed in sourcecode_id, then remove those rows or add those missing values to the sourcecodes table. – naXa Feb 23 '16 at 14:28 ...