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App Inventor 2 扩展 · App Inventor 2 中文网
...dding more examples to this collection, and would like to evolve it into a site for people to share extensions. You can import the extensions using the URL indicated, or you can download the aix files to your local computer and import the files from there.
VectorArithmetic created by Ethan Hon
Tak...
How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
...go in the system PATH. Directories for libraries (that aren't installed to site-packages or the per-user site-packages) go in PYTHONPATH.
– Eryk Sun
Oct 20 '14 at 3:49
12
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Hidden Features of MySQL
...t to run out of memory.
If you have many connects established (i.e. a web site without persistent connections) you might improve performance by setting thread_cache_size to a non-zero value. 16 is good value to start with. Increase the value until your threads_created do not grow very quickly.
PRI...
What's a good hex editor/viewer for the Mac? [closed]
...wnload the latest version on the releases tab instead of their previous website - github.com/ridiculousfish/HexFiend/releases
– cwd
Mar 18 '16 at 18:48
3
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How to fix: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its
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In some sites, I read that we needed to run aspnet_regiis.exe but none explained that the parameter is required, otherwise nothing happens.
– Pimenta
Aug 16 '12 at 15:19
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How do I improve ASP.NET MVC application performance?
...mance problems in your application. personally I suggest dotTrace
Run your site in Release mode, not Debug mode, when in production, and also during performance profiling. Release mode is much faster. Debug mode can hide performance problems in your own code.
Caching
Use CompiledQuery.Compile(...
How do I disable text selection with CSS or JavaScript? [duplicate]
...'s client. I disagree with that mode of thinking. As a user, I do not like site's redefining how my local software works. It's also an accessibility issue.
– James Sumners
Apr 6 '12 at 17:16
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Design for Facebook authentication in an iOS app that also accesses a secured web service
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One possible exploit of this would be, for somebody to create their own site or mobile app, obtain access tokens for their users and try to authenticate them, using your API. If this succeeds (the user is has a facebook account in your site), the malicious site will be able to use your API impers...
How to create a listbox in HTML without allowing multiple selection?
...will. Realistically though, this would be a breaking change for so many websites, no browser is likely to change it.
– Elezar
Apr 30 '15 at 22:12
1
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How exactly does the callstack work?
... might also see xorl rax rax instead of movl.
leave and return to the call site. leave is abbreviating this epilogue and implicitly
Replaces the stack pointer with the base pointer and
Pops the base pointer.
After this operation and ret have been performed, the frame has effectively been popp...