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Portable way to get file size (in bytes) in shell?
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Palec
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answered Nov 29 '09 at 13:45
Carl SmotriczCarl Smotricz
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Pretty-print C++ STL containers
...ally.)
– Kerrek SB
Jan 31 '11 at 12:05
Hmm, I get "ambiguous overload" when trying this on an std::vector<int> a...
Is there a built-in function to print all the current properties and values of an object?
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edited Oct 10 '08 at 20:05
S.Lott
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answere...
How can I convert an RGB image into grayscale in Python?
...vert('L')
– nviens
Oct 23 '17 at 22:05
13
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Practical usage of setjmp and longjmp in C
...can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases.
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An example of how to use getopts in bash
...f expected arguments,
h - check for option -h without parameters; gives error on unsupported options;
h: - check for option -h with parameter; gives errors on unsupported options;
abc - check for options -a, -b, -c; gives errors on unsupported options;
:abc - check for options -a, -b, -c; silence...
Python Dictionary Comprehension
...y:'your value here' for key in old_dict.keys()}
You're receiving a SyntaxError because when you write
d = {}
d[i for i in range(1, 11)] = True
you're basically saying: "Set my key 'i for i in range(1, 11)' to True" and "i for i in range(1, 11)" is not a valid key, it's just a syntax err...
Hash function that produces short hashes?
...tly unique...
I'm no expert, so please correct this if it has any glaring errors (in Python again like the accepted answer):
import base64
import hashlib
import uuid
unique_id = uuid.uuid4()
# unique_id = UUID('8da617a7-0bd6-4cce-ae49-5d31f2a5a35f')
hash = hashlib.sha1(str(unique_id).encode("UTF...
Received fatal alert: handshake_failure through SSLHandshakeException
...but without any luck, because I have as a result from server the following error:
19 Answers
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Batch file to delete files older than N days
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Same error as in other answers (including the accepted one). Where did this strange habit of specifying *.* come from? Wildcard *.* does not match all files in Windows. It only matches files with . in their names. The OP never sai...