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HTML5 Pre-resize images before uploading
...en you can process the images with the canvas element.
This Mozilla Hacks blog post walks you through most of the process. For reference here's the assembled source code from the blog post:
// from an input element
var filesToUpload = input.files;
var file = filesToUpload[0];
var img = document....
What is the difference between UNION and UNION ALL?
What is the difference between UNION and UNION ALL ?
26 Answers
26
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PHP filesize MB/KB conversion [duplicate]
...onvert the output of PHP's filesize() function to a nice format with MegaBytes, KiloBytes etc?
12 Answers
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NTFS performance and large volumes of files and directories
...ry large when you have a lot of children. Note that it doesn't distinguish between a child that's a folder and a child that's a file. The only difference really is the content of that child is either the child's folder index or the child's file data. Note: I am simplifying this somewhat but this get...
How do I test a private function or a class that has private methods, fields or inner classes?
...vate methods, fields or nested classes? Or a function that is made private by having internal linkage ( static in C/C++) or is in a private ( anonymous ) namespace?
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Difference between variable declaration syntaxes in Javascript (including global variables)?
Is there any difference between declaring a variable:
5 Answers
5
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What does addChildViewController actually do?
...o do is implement a custom container view controller - lets call it SideBarViewController - that swaps out which of several possible child view controllers it shows, almost exactly like a standard Tab Bar Controller . (It's pretty much a Tab Bar Controller but with a hideable side menu instea...
Remove not alphanumeric characters from string
...various escaped chars, which are not alphanumeric, it will remove them.
A backslash in the string needs escaping if it's to be taken literally:
"\\test\\red\\bob\\fred\\new".replace(/\W/g, '')
"testredbobfrednew" // output
Handling malformed strings
If you're not able to escape the input string...
Swift: Pass array by reference?
...nt to pass my Swift Array account.chats to chatsViewController.chats by reference (so that when I add a chat to account.chats , chatsViewController.chats still points to account.chats ). I.e., I don't want Swift to separate the two arrays when the length of account.chats changes.
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Try-catch speeding up my code?
I wrote some code for testing the impact of try-catch, but seeing some surprising results.
5 Answers
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