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Usage of sys.stdout.flush() method

... Python's standard out is buffered (meaning that it collects some of the data "written" to standard out before it writes it to the terminal). Calling sys.stdout.flush() forces it to "flush" the buffer, meaning that it will write everythi...
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How to git bundle a complete repo

... The synopsis for create command is git bundle create <file> <git-rev-list-args>. Running man git-rev-list (or man git-log) would give you --all. But I agree that it should be more visible in the bundle command documentation. ...
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Is there a way to iterate over a dictionary?

...d a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there something similar in Objective-C ? ...
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Emulating a do-while loop in Bash

...s an actual program whereas : is built-in. The former simply exits with 0 (and false with 1) the latter does absolutely nothing. You can check with which true. – Fleshgrinder Dec 2 '19 at 7:01 ...
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In MySQL, how to copy the content of one table to another table within the same database?

... If table1 is large and you don't want to lock it for the duration of the copy process, you can do a dump-and-load instead: CREATE TABLE table2 LIKE table1; SELECT * INTO OUTFILE '/tmp/table1.txt' FROM table1; LOAD DATA INFILE '/tmp/table1.txt...
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./configure : /bin/sh^M : bad interpreter [duplicate]

... To fix, open your script with vi or vim and enter in vi command mode (key Esc), then type this: :set fileformat=unix Finally save it :x! or :wq! share | improv...
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How to determine whether a substring is in a different string

...earning Python, for this you would need to add loads of if else statements and other things. So, I just wanted to remind myself of how its done in Python, this answer made me say to myself 'Of course!', I mean things like this in Python are just so trivial you never give them much thought! :P ...
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Sort Dictionary by keys

...ry. However, 'Dictionary' is also a 'CollectionType' of (key, value) pairs and we can use the global 'sorted' function to get a sorted array containg both keys and values, like this: let sortedKeysAndValues = sorted(dictionary) { $0.0 < $1.0 } println(sortedKeysAndValues) // [(A, [1, 2]), (D, [5...
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How to remove .htaccess password protection from a subdirectory

... You need to create a new .htaccess file in the required directory and include the Satisfy any directive in it like so, for up to Apache 2.3: # allows any user to see this directory Satisfy Any The syntax changed in Apache 2.4, this has the same effect: Require all granted ...
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Mounting multiple volumes on a docker container?

...; gcc -o myapp ./mycode.c; cd tst; ./myapp < ./test.txt' This is my command, I'm trying to compile the mycode.c that is in the first volume, but give that same file an stdin from a different volume. How do I do it? – momal Mar 23 '15 at 16:00 ...