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How to remove illegal characters from path and filenames?
...he forseeable future, so all you're really doing is doubling the amount of time this function takes to run because you're worried that the definition of a valid path will change sometime soon. Which it won't.
– Warren Rumak
Jan 27 '14 at 19:09
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p vs puts in Ruby
...nd
# This increments nicely to give the dev some indication of progress / time until completion
>> ******
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Creating a zero-filled pandas data frame
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Testing this I find %timeit temp = np.zeros((10, 11)); d = pd.DataFrame(temp, columns = ['col1', 'col2',...'col11']) takes 156 us. But %timeit d = pd.DataFrame(0, index = np.arange(10), columns = ['col1', 'col2',...'col11']) takes 171 us. I'm sur...
What does the C++ standard state the size of int, long type to be?
...ng long and pointer are 64-bit (but long and int are both 32-bit).
At one time, some Unix systems used an ILP64 organization.
None of these de facto standards is legislated by the C standard (ISO/IEC 9899:1999), but all are permitted by it.
And, by definition, sizeof(char) is 1, notwithstanding t...
Hg: How to do a rebase like git's rebase
...ntegrate it at first that didn't work out and I thought was useless at the time". Scientists keep logbooks in pen with numbered pages, and AFAIC software engineers should save every byte they've ever typed. Rewriting history, even cset parentage, but certainly CollapseExtension, HistEdit, etc. viol...
Date vs DateTime
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No there isn't. DateTime represents some point in time that is composed of a date and a time. However, you can retrieve the date part via the Date property (which is another DateTime with the time set to 00:00:00).
And you can retrieve individu...
Javascript objects: get parent [duplicate]
...lementing this seem to be...
Use an init function to loop through at the time the nested object is created, or...
Supply the nested object to a function that fills out the parent property
Both approaches have the same issue...
How do you maintain parents as the nested object grows/changes??
If...
What does “|=” mean? (pipe equal operator)
...lar, when applied to a boolean variable "|=" will set it to TRUE the first time it encounters a truthy expression on the right side and will HOLD its TRUE value for all |= subsequent calls. Like a latch.
Here a simplified example of this:
groovy> boolean result
groovy> //------------
groo...
How can I kill a process by name instead of PID?
Sometimes when I try to start Firefox it says "a Firefox process is already running". So I have to do this:
18 Answers
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Generating an MD5 checksum of a file
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You can use hashlib.md5()
Note that sometimes you won't be able to fit the whole file in memory. In that case, you'll have to read chunks of 4096 bytes sequentially and feed them to the md5 method:
import hashlib
def md5(fname):
hash_md5 = hashlib.md5()
wi...