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JavaScript equivalent of jQuery's extend method
I have a function that takes a config object as an argument. Within the function, I also have default object. Each of those objects contains properties that essentially work as settings for the rest of the code within the function. In order to prevent having to specify all of the settings wit...
What does “O(1) access time” mean?
...term "O(1) access time" used to mean "quickly" but I don't understand what it means. The other term that I see with it in the same context is "O(n) access time". Could someone please explain in a simple way what these terms mean?
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Event listener for when element becomes visible?
I am building a toolbar that is going to be included into a page. the div it is going to be included in will default to display:none . Is there a way i can put an event listener on my toolbar to listen for when it becomes visible so it can initialize? or will I have to pass it a variable from the c...
Correct way to load a Nib for a UIView subclass
...ewClassNib" owner:self options:nil] objectAtIndex:0]
I'm using this to initialise the reusable custom views I have.
Note that you can use "firstObject" at the end there, it's a little cleaner. "firstObject" is a handy method for NSArray and NSMutableArray.
Here's a typical example, of loading ...
Moving Files into a Real Folder in Xcode
When I started my project I was happy to use Groups in Xcode rather than literal folders: Since I'm using the browser in Xcode to access everything, stuff was nicely organized and I was happy.
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Quickly create a large file on a Linux system
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dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For exampl...
How to normalize a path in PowerShell?
... have unintended side-effects, such as resolving to a path based off the initial working directory (not your current location).
What you do is you first qualify your path:
Join-Path (Join-Path (pwd) fred\frog) '..\frag'
This yields (given my current location):
C:\WINDOWS\system32\fred\frog\..\f...
Best PHP IDE for Mac? (Preferably free!) [closed]
... the lowdown on Mac IDE's for PHP
NetBeans
Free! Plus, the best functionality of all offerings. Includes inline database connections, code completion, syntax checking, color coding, split views etc. Downside: It's a memory hog on the Mac. Be prepared to allow half a gig of memory then you'll need...
What's better at freeing memory with PHP: unset() or $var = null
...rhead of a function call ( update , is actually a language construct), but it would be interesting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off the net that use $var = null instead.
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Collection was modified; enumeration operation may not execute
...'t get to the bottom of this error, because when the debugger is attached, it does not seem to occur.
15 Answers
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