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How to create module-wide variables in Python? [duplicate]
...nt the variable to be "private" to the module. If you ever do an import * from mymodule, Python will not import names with two leading underscores into your name space. But if you just do a simple import mymodule and then say dir(mymodule) you will see the "private" variables in the list, and if y...
Prevent ViewPager from destroying off-screen views
...rs to destroy a hosted fragment's view when it is more than one swipe away from the current position.
3 Answers
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SVN - Checksum mismatch while updating
When I try to update some files from Subversion, I get the error:
15 Answers
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Why does sizeof(x++) not increment x?
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From the C99 Standard (the emphasis is mine)
6.5.3.4/2
The sizeof operator yields the size (in bytes) of its operand, which may be an expression or the parenthesized name of a type. The size is determined from the ty...
Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
... the highest compression level (assuming gzip -9).
You're serving the file from a CDN.
Assuming that your CSS/JavaScript files are (a) minified and (b) large enough to justify the CPU required to decompress on the user's machine, you can get significant performance gains here.
Just remember: If y...
What is RSS and VSZ in Linux memory management
.... It does not include memory that is swapped out. It does include memory from shared libraries as long as the pages from those libraries are actually in memory. It does include all stack and heap memory.
VSZ is the Virtual Memory Size. It includes all memory that the process can access, includi...
How do I shutdown, restart, or log off Windows via a bat file?
...l options:
-f — Forces programs to exit. Prevents the shutdown process from getting stuck.
-t <seconds> — Sets the time until shutdown. Use -t 0 to shutdown immediately.
-c <message> — Adds a shutdown message. The message will end up in the Event Log.
-y — Forces a "yes" answer...
How do I delete all untracked files from my working directory in Mercurial?
Is it possible to delete all untracked files from my working directory? Let's say I added a bunch of files to my working directory, didn't add them via 'hg add' and now want to get rid of those new files entirely?
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How do I get user IP address in django?
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From the django docs "relying on REMOTE_ADDR or similar values is widely known to be a worst practice" (djangoproject.com/weblog/2009/jul/28/security/#secondary-issue)
– Zags
May 7 '15 a...
What is the purpose of a stack? Why do we need it?
...d not the actual per-thread stack at runtime.
Why is there a transfer from memory to stack or "loading?" On the other hand, why is there a transfer from stack to memory or "storing"? Why not just have them all placed in the memory?
MSIL is a "virtual machine" language. Compilers like the C# c...