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What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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How to automatically add user account AND password with a Bash script?
I need to have the ability to create user accounts on my Linux (Fedora 10) and automatically assign a password via a bash script(or otherwise, if need be).
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Get Image size WITHOUT loading image into memory
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As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says:
def open(fp, mode="r"):
"Open an image file, without loading the raster data"
There are a few file operations in the source like:
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Spring MVC: How to return image in @ResponseBody?
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if you are using Spring version of 3.1 or newer you can specify "produces" in @RequestMapping annotation. Example below works for me out of box. No need of register converter or anything else if you have web mvc enabled (@EnableWebMvc).
@ResponseBody
@RequestMapp...
Save An Image To Application Documents Folder From UIView On IOS
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It's all good, man. Don't harm yourself or others.
You probably don't want to store these images in Core Data, since that can impact performance if the data set grows too large. Better to write the images to files.
NSData *pngData = UIImagePNGRepresentation(image...
HTML table headers always visible at top of window when viewing a large table
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Check out jQuery.floatThead (demos available) which is very cool, can work with DataTables too, and can even work inside an overflow: auto container.
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Is there a difference between x++ and ++x in java?
...answered Jul 7 '09 at 21:10
VictorVictor
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Total size of the contents of all the files in a directory [closed]
When I use ls or du , I get the amount of disk space each file is occupying.
12 Answers
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jQuery validation: change default error message
Is there a simple way to change the default error values in the jQuery validation plugin ?
13 Answers
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Merge a Branch into Trunk
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Your svn merge syntax is wrong.
You want to checkout a working copy of trunk and then use the svn merge --reintegrate option:
$ pwd
/home/user/project-trunk
$ svn update # (make sure the working copy is up to date)
At revision <N>.
$ svn merge --reintegrate ^/project/bra...