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jQuery 'input' event
... limited to -- pressing keys which modify the input (so, for example, Ctrl by itself will not trigger the event, but Ctrl-V to paste some text will), selecting an auto-completion option, Linux-style middle-click paste, drag-and-drop, and lots of other things.
See this page and the comments on this ...
Limit file format when using ?
...pe using both the file extension and its binary signature (ASP.NET, PHP, Ruby, Java). You might also want to refer to these tables for file types and their magic numbers, to perform a more robust server-side verification.
Here are three good reads on file-uploads and security.
EDIT: Maybe file type...
Recommended way to save uploaded files in a servlet application
...n the webapp's deploy folder will not work at all. Some servers do (either by default or by configuration) not expand the deployed WAR file into the local disk file system, but instead fully in the memory. You can't create new files in the memory without basically editing the deployed WAR file and r...
How to install 2 Anacondas (Python 2 and 3) on Mac OS
...t. You can use conda to install packages in that environment later, either by using the -n python2 flag to conda, or by activating the environment.
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Removing the fragment identifier from AngularJS urls (# symbol)
... Because IE lt 10 doesn't support html5 history API which were enabled by setting up html5Mode(true). In IE you have to use # in routes.
– Maxim Grach
Feb 8 '13 at 16:50
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Learning to write a compiler [closed]
Preferred languages : C/C++, Java, and Ruby.
38 Answers
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How to free memory in Java?
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Java uses managed memory, so the only way you can allocate memory is by using the new operator, and the only way you can deallocate memory is by relying on the garbage collector.
This memory management whitepaper (PDF) may help explain what's going on.
You can also call System.gc() to sugges...
Django filter queryset __in for *every* item in list
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Summary:
One option is, as suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would ...
When and why I should use session_regenerate_id()?
...rability in a system to fixate (set) the session ID (SID) of another user. By doing so, they will get complete access as the original user and be able to do tasks that would otherwise require authentication.
To prevent such attacks, assign the user a new session ID using session_regenerate_id() when...
Git alias with positional parameters
...portant - it prevents all the user-supplied arguments from being processed by the shell (it comments them out).
Note: git puts all user-supplied arguments at the end of the command line. To see this in action, try: GIT_TRACE=2 git files a b c d
The escaped (due to nesting) quotes are important for...