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Fastest way to check if a string is JSON in PHP?
...t ERROR
It is always good to know the exact error during the development time. Here is full program to check the exact error based on PHP docs.
function json_validate($string)
{
// decode the JSON data
$result = json_decode($string);
// switch and check possible JSON errors
switc...
Cast a Double Variable to Decimal
... "Safe"? as in when it can't cast it throws an exception at run-time instead of a compiler error? I've been bitten by that so many times that I actively avoid Convert...
– Peter Ritchie
May 20 '11 at 16:32
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Why is early return slower than else?
...hris, no the length of the string shouldn't be significant. The very first time you hash a string it will take time proportional to the string length but then the calculated hash is cached in the string object so subsequent hashes are O(1).
– Duncan
Nov 25 '11 ...
typeof for RegExp
...anceof, of course, you can verify it yourself using Firebug Timing(console.time)
– Cleiton
Dec 2 '10 at 20:18
11
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The term “Context” in programming? [closed]
...the more knowledge the other party has to help deal with your request. Sometimes context is optional (like typing more and more words into your Google search to get better results) and sometimes it's required (like providing your PIN number at the ATM). Either way, it's information that usually help...
Unable to execute dex: Multiple dex files define
I know this question has been asked here a few times before. But i haven't seen any possible solution yet.
Before i make the project 'Run as Android Application' , if i do not clean it, i receive the following error and have to restart Eclipse ... and clean again.
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npm ERR cb() never called
I have a Node.js app hosted on Heroku. Every time I do a git push heroku I get the following error:
39 Answers
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UICollectionView current visible cell index
I am using UICollectionView first time in my iPad application.
I have set UICollectionView such that its size and cell size is same, means only once cell is displayed at a time.
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Xcode - ld: library not found for -lPods
...or message when opening .xcworkspace (to be more specific, this worked one time on a mac and didn't on the other). In my case, found the issue related to renaming a project and later copying it to a different computer, the libs were not copied to the new location. compare: /Users/[USERNAME]/Library/...