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What is the Difference Between read() and recv() , and Between send() and write()?
...tagram, both, recv and read will deliver no data to the caller but also no error. For the caller, the behavior is the same. The caller may not even know anything about datagrams (it may not know that this is a socket and not a file, it may not know that this is a datagram socket and not a stream soc...
Extract value of attribute node via XPath
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data() function on an attribute gives the error "XPath error : Invalid expression" in xmllint.
– codesniffer
Sep 1 at 14:01
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How to determine CPU and memory consumption from inside a process?
...y (PDH), which is a bit "unintuitive" and takes a lot of painful trial and error to get to work. (At least it took me quite a while, perhaps I've been only a bit stupid...)
Note: for clarity all error checking has been omitted from the following code. Do check the return codes...!
Total Virtual...
Node: log in a file instead of the console
...s = fs.createWriteStream(dir + '/node.access.log', { flags: 'a' })
, error = fs.createWriteStream(dir + '/node.error.log', { flags: 'a' });
// redirect stdout / stderr
proc.stdout.pipe(access);
proc.stderr.pipe(error);
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Actual meaning of 'shell=True' in subprocess
...gt; subprocess.call('echo $HOME')
Traceback (most recent call last):
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OSError: [Errno 2] No such file or directory
>>>
>>> subprocess.call('echo $HOME', shell=True)
/user/khong
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Setting the shell argument to a true value causes subprocess to spawn an intermediate shell pro...
How do I use a Boolean in Python?
...
checker = None
if some_decision:
checker = True
if checker:
# some stuff
[Edit]
For more information: http://docs.python.org/library/functions.html#bool
Your code works too, since 1 is converted to True when necessary.
Actually Python...
How to check if an object is an array?
...o an array with just the one item so I can loop over it without fear of an error.
49 Answers
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Why is it string.join(list) instead of list.join(string)?
...ack_overflow'
Using something else than strings will raise the following error:
TypeError: sequence item 0: expected str instance, int found
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Super-simple example of C# observer/observable with delegates
... let the .Dispose method do the opposite of the code in the constructor
No error-checking performed, at least a null-check should be done in the constructor of the ObserverClass
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How to format numbers? [duplicate]
...void mathematical calculation (as this can introduce rounding, or rounding errors). If you don't want rounding, then you are only dealing with things as a string i.e. 1000.999 converted to two decimal places will only ever be 1000.99 and not 1001.00.
This method avoids using .split() and RegExp() h...