大约有 40,000 项符合查询结果(耗时:0.0333秒) [XML]

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string sanitizer for filename

...a whitelist of characters you are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe. ...
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How to make rpm auto install dependencies

...hip and filesystem permissions: # chown -R root.root /home/user/repo Install the createrepo package if not installed yet, and run # createrepo /home/user/repo # chmod -R o-w+r /home/user/repo Create a repository configuration file, e.g. /etc/yum.repos.d/myrepo.repo containing [local] name=My Aw...
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Elegant Python function to convert CamelCase to snake_case?

... name = pattern.sub('_', name).lower() To handle more advanced cases specially (this is not reversible anymore): def camel_to_snake(name): name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name) return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower() print(camel_to_snake('camel2_camel2_case')) #...
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Combining C++ and C - how does #ifdef __cplusplus work?

...f legacy C code. We've started writing in C++, with the intent to eventually convert the legacy code, as well. I'm a little confused about how the C and C++ interact. I understand that by wrapping the C code with extern "C" the C++ compiler will not mangle the C code's names, but I'm no...
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How do you run your own code alongside Tkinter's event loop?

...tion for the after method: def after(self, ms, func=None, *args): """Call function once after given time. MS specifies the time in milliseconds. FUNC gives the function which shall be called. Additional parameters are given as parameters to the function call. Return identifier...
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How do you do a limit query in JPQL or HQL?

...QL Parser, and it's a lot less forgiving. I think Query.setMaxResults() really is your only option. share | improve this answer | follow | ...
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'

I used easy_install to install pytest on a mac and started writing tests for a project with a file structure likes so: 20 A...
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What is in your Mathematica tool bag? [closed]

We all know that Mathematica is great, but it also often lacks critical functionality. What kind of external packages / tools / resources do you use with Mathematica? ...
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?

I've been digging through some parts of the Linux kernel, and found calls like this: 10 Answers ...
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

... while (i < 1000){ // Here's the meat - the part that really matters. r0 = _mm_mul_pd(r0,rC); r1 = _mm_add_pd(r1,rD); r2 = _mm_mul_pd(r2,rE); r3 = _mm_sub_pd(r3,rF); r4 = _mm_mul_pd(r4,rC); r5 = _mm_add_pd(r5...