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Redirect non-www to www in .htaccess

... ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L] If you need to support http and https and preserve the protocol choice try the following: RewriteRule ^login\$ https://www.%{HTTP_HOST}/login [R=301,L] Where you replace login with checkout.php or whatever URL you need to support HTTPS on. I'd argue...
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Difference between Java Enumeration and Iterator

...s. Method names have been improved. The bottom line is, both Enumeration and Iterator will give successive elements, but Iterator improved the method names by shortening away the verbiage, and it has an additional remove method. Here is a side-by-side comparison: Enumeration ...
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What is the difference between Step Into and Step Over in the Eclipse debugger?

...le flow of a Java program. What is the difference between F5 (step into) and F6 (step over) in eclipse? 5 Answers ...
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Where do “pure virtual function call” crashes come from?

...e general case can't catch it since the flow from the ctor can go anywhere and anywhere can call the pure virtual function. This is Halting problem 101. – shoosh Sep 19 '08 at 4:20 ...
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You have not concluded your merge (MERGE_HEAD exists)

I made a branch called 'f' and did a checkout to master. When I tried the git pull command I got this message: 13 Answers...
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What is the benefit of using $() instead of backticks in shell scripts?

There are two ways to capture the output of command line in bash : 8 Answers 8 ...
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Apache Prefork vs Worker MPM

Looking at the Apache config file, I see Prefork and Worker MPM defined. What is the difference and which one is Apache using? ...
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jQuery Call to WebService returns “No Transport” error

... 1 Take a look at this blog post. Update 2 If this is indeed the problem (and I suspect it is), you might want to check out JSONP as a solution. Here are a few links that might help you get started: https://en.wikipedia.org/wiki/JSON http://remysharp.com/2007/10/08/what-is-jsonp/ http://www.west-...
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boolean in an if statement

...-empty string value, any object or array reference, etc... On the other hand: if (booleanValue === true) This will only satisfy the if condition if booleanValue is exactly equal to true. No other truthy value will satisfy it. On the other hand if you do this: if (someVar == true) Then, wha...
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Error when trying to obtain a certificate: The specified item could not be found in the keychain

... I solved it. Ensure you are in the "Certificates" section and you select "Apple Worldwide Developer Relations Certification Authority" before requesting a certificate. share | impro...