大约有 44,500 项符合查询结果（耗时：0.0603秒） [XML]
:first-child not working as expected
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220
The h1:first-child selector means
Select the first child of its parent
if and only if it...
How to delete files/subfolders in a specific directory at the command prompt in Windows
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259
You can use this shell script to clean up the folder and files within C:\Temp source:
del /q ...
Why can't Python parse this JSON data?
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2140
Your data is not valid JSON format. You have [] when you should have {}:
[] are for JSON ar...
multiple prints on the same line in Python
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287
You can use the print statement to do this without importing sys.
def install_xxx():
print...
hash function for string
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I've had nice results with djb2 by Dan Bernstein.
unsigned long
hash(unsigned char *str)
{
unsigned long hash = 5381;
int c;
while (c = *str++)
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
return hash;
}
...
Node.js - Find home directory in platform agnostic way
Process.platform returns "win32" for Windows. On Windows a user's home directory might be C:\Users[USERNAME] or C:\Documents and Settings[USERNAME] depending on which version of Windows is being used. On Unix this isn't an issue.
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HttpURLConnection timeout settings
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202
HttpURLConnection has a setConnectTimeout method.
Just set the timeout to 5000 milliseconds, ...