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What does the 'b' character do in front of a string literal?

...x. So yes, b'...' literals in Python have the same purpose that they do in PHP. Also, just out of curiosity, are there more symbols than the b and u that do other things? The r prefix creates a raw string (e.g., r'\t' is a backslash + t instead of a tab), and triple quotes '''...''' or """...""" a...
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Why are regular expressions so controversial? [closed]

...tive parser (developer dependent threshold). One of my favourite examples PHP's split($pattern,$string) vs explode($delimiter,$string) - thankfully the former is getting depreciated, but lots of code used the former when they only needed the power of the later. Aggreed, RegEx's provide an easy too...
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What is the fastest way to compute sin and cos together?

...re is another example (for MSVC): http://www.codeguru.com/forum/showthread.php?t=328669 Here is yet another example (with gcc): http://www.allegro.cc/forums/thread/588470 Hope one of them helps. (I didn't use this instruction myself, sorry.) As they are supported on processor level, I expect them...
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PHPUnit: assert two arrays are equal, but order of elements not important

... The cleanest way to do this would be to extend phpunit with a new assertion method. But here's an idea for a simpler way for now. Untested code, please verify: Somewhere in your app: /** * Determine if two associative arrays are similar * * Both arrays must have the...
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How to force vim to syntax-highlight a file as html?

... :set syntax=<type> where <type> is something like perl, html, php, etc. There is another mechanism that can be used to control syntax highlighting called filetype, or ft for short. Similar to syntax, you give it a type like this: :set filetype=html. Other filetypes are perl, php, etc. S...
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How do I create a parameterized SQL query? Why Should I?

...ple would do this through a server side programming language library, like PHP's PDO or Perl DBI. For instance, in PDO: $dbh=pdo_connect(); //you need a connection function, returns a pdo db connection $sql='insert into squip values(null,?,?)'; $statement=$dbh->prepare($sql); $data=array('my...
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How do I get the fragment identifier (value after hash #) from a URL?

... You may do it by using following code: var url = "www.site.com/index.php#hello"; var hash = url.substring(url.indexOf('#')+1); alert(hash); SEE DEMO share | improve this answer | ...
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Cross-Domain Cookies

...T"); header("Access-Control-Allow-Headers: Content-Type, *"); Within the PHP-file you can use $_COOKIE[name] Second, on the client side: Within your ajax request you need to include 2 parameters crossDomain: true xhrFields: { withCredentials: true } Example: type: "get", url: link, crossDom...
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What is the difference between the | and || or operators?

I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable? ...
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What is the difference between window, screen, and document in Javascript?

...at about the document object then? The document object is your html, aspx, php, or other document that will be loaded into the browser. The document actually gets loaded inside the window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means i...