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is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
@class vs. #import
It is to my understanding that one should use a forward-class declaration in the event ClassA needs to include a ClassB header, and ClassB needs to include a ClassA header to avoid any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once....
How to get first and last day of the week in JavaScript
I have today = new Date(); object. I need to get first and last day of the current week. I need both variants for Sunday and Monday as a start and end day of the week. I am little bit confuse now with a code. Can your help me?
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Custom Cell Row Height setting in storyboard is not responding
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Right answer #3, and specifically because this answer applies to Interface Builder/Storyboards. If you select the cell in IB, then the Size Inspector shows Row Height at the top (with a "custom" checkbox), but if you select the whole table vi...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
I have a command that runs fine if I ssh to a machine and run it, but fails when I try to run it using a remote ssh command like :
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Inner text shadow with CSS
I am currently playing around with CSS3 and trying to achieve a text effect like this (the black blurry inner shadow):
22 A...
Regex - how to match everything except a particular pattern
...particular pattern? I'm faced with a situation where I have to match an (A and ~B) pattern.
8 Answers
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CocoaPods and GitHub forks
This is my first time forking a GitHub project, and I'm not too competent with CocoaPods either, so please bear with me.
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How to change past commit to include a missed file?
I have committed a change and forgot to add a file to the change set. After other commits, I realized the file is now missing from a HEAD^4 commit.
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Hidden Features of PHP? [closed]
... language - everything else I have to piece together from various websites and man pages.
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edited Feb 23 '10 at 20:28
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