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Split string to equal length substrings in Java

...s trick will work (for example) in Java, Perl, .NET and JGSoft, but not in PHP (PCRE), Ruby 1.9+ or TextMate (both Oniguruma). JavaScript's /y (sticky flag) isn't as flexible as \G, and couldn't be used this way even if JS did support lookbehind. I should mention that I don't necessarily recommend...
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XPath: select text node

... Does this work in PHP? I'm trying to loop through only text nodes, even those in-between a set of tags. The problem is that is smashing the content of multiple text nodes together, regardless of tags. Using //*[text()] anyway. /html/text() doe...
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Is there a method that calculates a factorial in Java?

...ions with N elements requires bare factorial, and is needed if you want to allocate a structure to hold the permutations. – Mark Jeronimus Jan 1 '16 at 17:46 ...
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Open and write data to text file using Bash?

...lly holds a lot. Usually the max number of file descriptors the kernel can allocate can be found in /proc/sys/file-max or /proc/sys/fs/file-max but using any fd above 9 is dangerous as it could conflict with fd's used by the shell internally. So don't bother and only use fd's 0-9. If you need more t...
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Is there a way to instantiate a class by name in Java?

...object (to be the most precise, creating a new object involves both memory allocation and object construction). So the nearest equivalent to the previous example is to say: import java.lang.reflect.*; public class constructor2 { public constructor2() { } public construc...
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Best practice for embedding arbitrary JSON in the DOM?

...slashes. Which can be used her for the purpose of making it safe to embed. PHP's json_encode does this by default. – Timo Tijhof Feb 26 '15 at 13:06 add a comment ...
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What open source C++ static analysis tools are available? [closed]

...a copy constructor and an assignment operator for classes with dynamically allocated memory. Prefer initialization to assignment in constructors. Make destructors virtual in base classes. Have "operator=" return a reference to *this. Don’t try to return a reference when you must return an object. ...
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How to make button look like a link?

...t for the sake of simplicity i will use them here): <a href="some/page.php" title="perform some js action" onclick="callFunction(this.href);return false;">watch and learn</a> with this.href you can even access the target of the link in your function. return false will just prevent bro...
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Laravel Schema onDelete set null

...el / framework / src / Illuminate / Database / Schema / Grammars / Grammar.php) – Dirk Jan Mar 23 at 14:47 add a comment  |  ...
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What is the use of having destructor as private?

... while implementing a factory where the created objects are required to be allocated on the heap. The objects would, in general, be created/deleted by a static member or friend. Example of a typical usage: class myclass { public: static myclass* create(/* args */) // Factory { retu...