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Using str_replace so that it only acts on the first match?

... There's no version of it, but the solution isn't hacky at all. $pos = strpos($haystack, $needle); if ($pos !== false) { $newstring = substr_replace($haystack, $replace, $pos, strlen($needle)); } Pretty easy, and saves the performance penalty of regular expressions. Bonus: If...
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Are global variables bad? [closed]

...s to these, it becomes increasingly hard to figure out which functions actually read and write these variables. To understand how the application works, you pretty much have to take into account every function which modifies the global state. That can be done, but as the application grows it will ...
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“The page you are requesting cannot be served because of the extension configuration.” error message

...amework you are using. This is a common issue and happens when IIS is installed after VS or .NET framework. Note - for Windows 8/10 users, see the other answer by JohnOpincar below. And also the comment/tip from Kevin Brydon. ...
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Anatomy of a “Memory Leak”

... seen is in Chapter 7 of the free Foundations of Programming e-book. Basically, in .NET a memory leak occurs when referenced objects are rooted and thus cannot be garbage collected. This occurs accidentally when you hold on to references beyond the intended scope. You'll know that you have leaks w...
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Uppercase or lowercase doctype?

... In HTML, the DOCTYPE is case insensitive. The following DOCTYPEs are all valid: <!doctype html> <!DOCTYPE html> <!DOCTYPE HTML> <!DoCtYpE hTmL> In XML serializations (i.e. XHTML) the DOCTYPE is not required, but if you use it, DOCTYPE should be uppercase: <!DOCTY...
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Where should @Service annotation be kept? Interface or Implementation?

... write... so which is the right way? Is it not annotating the interface at all and giving the Service annotation to the implementations? Is Spring still capable of autowiring using the interface type? What is your answer to this> stackoverflow.com/questions/12899372/… – co...
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How to change navbar collapse threshold using Twitter bootstrap-responsive?

... I can't think of any way to achieve the overriding without restating all the CSS declarations. – methodofaction Feb 23 '12 at 5:15 ...
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C++ equivalent of StringBuffer/StringBuilder?

...f after profiling your code you discover this makes an improvement. I normally use either std::string or std::stringstream. I have never had any problems with these. I would normally reserve some room first if I know the rough size of the string in advance. I have seen other people make their ow...
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Circle-Rectangle collision detection (intersection)

... the circle. Note that this does not require the rectangle to be axis-parallel. (One way to see this: if none of the edges has a point in the circle (if all the edges are completely "outside" the circle), then the only way the circle can still intersect the polygon is if it lies completely ins...
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How to sort strings in JavaScript

... An updated answer (October 2014) I was really annoyed about this string natural sorting order so I took quite some time to investigate this issue. I hope this helps. Long story short localeCompare() character support is badass, just use it. As pointed out by Shog9...