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How to calculate md5 hash of a file using javascript
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I've made a library that implements incremental md5 in order to hash large files efficiently.
Basically you read a file in chunks (to keep memory low) and hash it incrementally.
You got basic usage and examples in the readme.
Be aware that you need HTML5 FileAPI, so be sure to c...
Explaining Python's '__enter__' and '__exit__'
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In addition to the above answers to exemplify invocation order, a simple run example
class myclass:
def __init__(self):
print("__init__")
def __enter__(self):
print("__enter__")
def __exit__(self, type, value, traceback):
print("__exit__")
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Difference between TCP and UDP?
...guarantees that all sent packets will reach the destination in the correct order. This imply the use of acknowledgement packets sent back to the sender, and automatic retransmission, causing additional delays and a general less efficient transmission than UDP.
UDP is a connection-less protocol. Com...
Linux command or script counting duplicated lines in a text file?
...ve counts, i.e.:
sort filename | uniq -c
and to get that list in sorted order (by frequency) you can
sort filename | uniq -c | sort -nr
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How many files can I put in a directory?
... We have hundreds of thousands of images in our social network website. In order to improve the performance we were forced to have 100 (or 1000 for some files) sub directories and distribute the files into them (ext3 on linux+ Apache for us).
– wmac
Jul 24 '14 ...
Post data to JsonP
Is it possible to post data to JsonP? Or does all data have to be passed in the querystring as a GET request?
7 Answers
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Android: Difference between onInterceptTouchEvent and dispatchTouchEvent?
...nsumes all subsequent events
For each child view (in reverse order they were added)
If touch is relevant (inside view), child.dispatchTouchEvent()
If it is not handled by a previous, dispatch to next view
If no children handles the event, the listene...
PHPDoc type hinting for array of objects?
... /** @var TYPE $variable_name */ is the correct syntax; do not reverse the order of type and variable name (as suggested earlier in the comments) as that wont work in all cases.
– srcspider
Nov 29 '13 at 8:40
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Check if two unordered lists are equal [duplicate]
I'm looking for an easy (and quick) way to determine if two unordered lists contain the same elements:
8 Answers
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Short description of the scoping rules?
...e5
x()
The for loop does not have its own namespace. In LEGB order, the scopes would be
L: Local in def spam (in code3, code4, and code5)
E: Any enclosing functions (if the whole example were in another def)
G: Were there any x declared globally in the module (in code1)?
B: Any buil...