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How to check if string input is a number? [duplicate]
...t things like 4.1 when technically only 4 is valid. It is also against the python mentality to have secret conversions like this happening and I would prefer to do strict checks at my public interface
– Peter R
Feb 19 '15 at 14:24
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How to create a tuple with only one element
... make them tuples. You have to add a comma after the string to indicate to python that it should be a tuple.
>>> type( ('a') )
<type 'str'>
>>> type( ('a',) )
<type 'tuple'>
To fix your example code, add commas here:
>>> a = [('a',), ('b',), ('c', 'd')]
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How are GCC and g++ bootstrapped?
...d go about it: There's the Tiny C Compiler (which actually can compile the Linux kernel, so it's quite feature complete). All it's C source files make a mere 30k lines of code, including comments. Though even it was a quite some effort, somebody who understands C could learn from the sources, how to...
How to retry after exception?
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@g33kz0r the for-else construct in Python executes the else clause if the for loop doesn't break. So, in this case, that section executes if we try all 10 attempts and always get an exception.
– xorsyst
Jan 28 '15 at 11:...
Linking static libraries to other static libraries
...y way to do this is to use your librarian/archiver tool (for example ar on Linux) to create a single new static library by concatenating the multiple libraries.
Edit: In response to your update, the only way I know to select only the symbols that are required is to manually create the library from...
How to get current memory usage in android?
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Linux's memory management philosophy is "Free memory is wasted memory".
I assume that the next two lines will show how much memory is in "Buffers" and how much is "Cached". While there is a difference between the two (please...
How can I convert JSON to CSV?
I have a JSON file I want to convert to a CSV file. How can I do this with Python?
26 Answers
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Putting a simple if-then-else statement on one line [duplicate]
I'm just getting into Python and I really like the terseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line?
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Simple way to encode a string according to a password?
Does Python have a built-in, simple way of encoding/decoding strings using a password?
19 Answers
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Difference between API and ABI
I am new to linux system programming and I came across API and ABI while reading
Linux System Programming .
9 Answers
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