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Rails: Is there a rails trick to adding commas to large numbers?
... either , or . for decimal digits, even if you specify it as argument). It allocates thousands of objects (so its performance patterns are complex and hard to profile). Consider just using regexps if you don't need to support different ways to format numbers depending on locale.
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Javascript object Vs JSON
...me. A JavaScript object on the other hand is a physical type. Just like a PHP array, a C++ class/ struct, a JavaScript object is an type internal to JavaScript.
Here's a story. Let's imagine you've purchased some furniture from a store, and you want it delivered. However the only one left in stock...
How to validate an email address using a regular expression?
...e more sophisticated patterns in Perl and PCRE (regex library used e.g. in PHP) can correctly parse RFC 5322 without a hitch. Python and C# can do that too, but they use a different syntax from those first two. However, if you are forced to use one of the many less powerful pattern-matching language...
Grep and Sed Equivalent for XML Command Line Processing
...am, and pass in the arguments' array in the script to hpricot? E.g., in a PHP shell script, something like the following should work: <?php /path/to/hpricot $argv ?>
– alastairs
Sep 18 '08 at 20:45
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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...
Remove HTML Tags from an NSString on the iPhone
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UITextView *textview= [[UITextView alloc]initWithFrame:CGRectMake(10, 130, 250, 170)];
NSString *str = @"This is <font color='red'>simple</font>";
[textview setValue:str forKey:@"contentToHTMLString"];
textview.textAlignment = NSTextAlignmentLeft;
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XPath: select text node
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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...
Draw a perfect circle from user's touch
...Hough Transform is a voting scheme. A two dimensional array of integers is allocated and all elements are set to zero. Each element corresponds to a single pixel in the image being analyzed. This array is referred to as the accumulator array since each element will accumulate information, votes, ind...
Java equivalent of unsigned long long?
...Integer class will be used. This means that upto 8 new BigIntegers will be allocated, this is quite a lot and definitely a performance drop.
– Toonijn
Sep 24 '16 at 18:57
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iOS Detect 3G or WiFi
...If this were just in a method, reachability would go out of scope and be dealloced at the end of the method and stopNotifier would be called implicitly.
– James Webster
Nov 9 '11 at 21:35
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