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Why should you remove unnecessary C# using directives?
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but it can affect compilation time and Intellisense/IDE responsiveness.
– Marchy
Feb 4 '10 at 19:32
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Best practice for creating millions of small temporary objects
...your code). If max is equal to Integer.MAX_VALUE, you loop might take some time to execute. However, the i variable will never escape the loop-block. Therefore the JVM will put that variable in a CPU register, regularly increment it but will never send it back to the main memory.
So, creating milli...
How do I determine whether an array contains a particular value in Java?
... If it's static, it's probably going to be used quite a few times. So, the time consumed to initialise the set has good chances of being quite small compared to the cost of a lot of linear searches.
– Xr.
Oct 12 '11 at 19:39
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Check if a string is a date value
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Using Moment you can be very specific about checking valid dates. Sometimes it is very important to add some clues about the format that you expect. For example, a date such as 06/22/2015 looks like a valid date, unless you use a format DD/MM/YYYY in which case this date should be rejected as i...
Recursive search and replace in text files on Mac and Linux
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I wish I could upvote this every time I come back to it and use it. It'd be at +15 by now, easy.
– Droogans
Feb 26 '15 at 15:35
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Portable way to get file size (in bytes) in shell?
...ns (and similar) use a system call to get the size, which should be linear time (versus O(size))
– jmtd
May 7 '11 at 16:40
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Do I need to disable NSLog before release Application?
...ly, and automatically included in every source file during the compilation time. So it is as if you would have put the whole #define thing into each of your source files.
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How can I add an item to a IEnumerable collection?
...p repeatedly; and if it is, you have bigger problems anyway, because every time you Concat, you get one more layer of enumerator - so by the end of it the single call to MoveNext will result in a chain of calls equal in length to the number of iterations.
– Pavel Minaev
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Why does changing the returned variable in a finally block not change the return value?
...letes with the execution of the return statement and the value of s at the time the return statement executes is the value returned by the method. The fact that the finally clause later changes the value of s (after the return statement completes) does not (at that point) change the return value.
No...
Replace multiple strings with multiple other strings
...ution. It will replace all instances of the parameters, no matter how many times they are referenced:
String.prototype.fmt = function (hash) {
var string = this, key; for (key in hash) string = string.replace(new RegExp('\\{' + key + '\\}', 'gm'), hash[key]); return string
}
You would inv...