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After array_filter(), how can I reset the keys to go in numerical order starting at 0

I just used array_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I j...
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RESTfully design /login or /register resources?

... in particular as not REST-ful: the use of a GET request for logging out. (from http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol#Safe_methods) Some methods (for example, HEAD, GET, OPTIONS and TRACE) are defined as safe, which means they are intended only for information retrieval and shoul...
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Why / when would it be appropriate to override ToString?

... I'm just going to give you the answer straight from the Framework Design Guidelines from the .NET Development Series. AVOID throwing exceptions from ToString CONSIDER returning a unique string associated with the instance. CONSIDER having the output of ToString be a ...
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In plain English, what does “git reset” do?

...t there's no branch pointing to it anymore Digression: This is different from a checkout. If you'd run git checkout B, you'd get this: - A - B (HEAD) - C (master) You've ended up in a detached HEAD state. HEAD, work tree, index all match B, but the master branch was left behind at C. If you mak...
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How do Trigonometric functions work?

...ar the evaluation point; the error generally zooms upwards as you get away from it. And if you have a function with any noncontinuous derivative (e.g. square waves, triangle waves, and their integrals), a Taylor series will give you the wrong answer. The best "easy" solution, when using a polynomia...
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Android activity life cycle - what are all these methods for?

... onPaused() --> onStop() After pressed home button when again open app from recent task list or clicked on icon onRestart() --> onStart() --> onResume() When open app another app from notification bar or open settings onPaused() --> onStop() Back button pressed from another app or s...
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sed edit file in place

... to write the output back to the file. Another option is to create a patch from piping the content into diff. Tee method sed '/regex/' <file> | tee <file> Patch method sed '/regex/' <file> | diff -p <file> /dev/stdin | patch UPDATE: Also, note that patch will get the ...
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How to detect IE11?

...was deliberate. They wanted to break browser detection scripts like this." from stackoverflow.com/a/18872067/1066234 ... Actually it should be: 'They wanted to make billion websites break like this.' – Kai Noack Dec 8 '13 at 21:52 ...
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In Jinja2, how do you test if a variable is undefined?

Converting from Django, I'm used to doing something like this: 6 Answers 6 ...
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How to run an application as “run as administrator” from the command prompt? [closed]

... See this TechNet article: Runas command documentation From a command prompt: C:\> runas /user:<localmachinename>\administrator cmd Or, if you're connected to a domain: C:\> runas /user:<DomainName>\<AdministratorAccountName> cmd ...