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What does flushing the buffer mean?
...u write one byte at a time, then each write of a byte is going to be very costly. So a common way to improve performance is to store the data that you are writing in a temporary buffer. Only when there is a lot of data is the buffer written to the file. By postponing the writes, and writing a large ...
How can I get the current language in Django?
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trying to get the language in e.g. models would not be possible if there is no request yet. I think the django.utils.translation.get_language() is always a better solution.
– Hussam
Sep 15 '15 at 11:38
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Cannot kill Python script with Ctrl-C
...o stop anything. I'm not sure what resources would be left - shouldn't the OS reclaim anything when the process exits?
– Thomas K
May 20 '13 at 17:16
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What is an SSTable?
...ped IO is a very handy technique because it delegates the actual IO to the OS, assuming it can do a good job at caching (especially when several processes share the same file). But it has the disadvantage that you don't have control of it. If the page is not resident in memory, the thread will block...
Associative arrays in Shell scripts
...are built in to the shell. This should work in bash 4.0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh:
declare -A newmap
newmap[name]="Irfan Zulfiqar"
newmap[designation]=SSE
newmap[company]="My Own Company"
echo ${newmap[company]}
echo ${ne...
Eclipse and Windows newlines
... that text files are saved in a format that is not specific to the Windows OS and most easily shared across heterogeneous developer desktops:
Navigate to the Workspace preferences (General:Workspace)
Change the Text File Encoding to UTF-8
Change the New Text File Line Delimiter to Other ...
Are loops really faster in reverse?
...th each time you increment i, when you check if i <= array.length.
In most cases you shouldn't even worry about this kind of optimization.
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Import error: No module name urllib2
...ted in the urllib2 documentation:
The urllib2 module has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3.
So you should instead be saying
from urllib.request import url...
Easy way to dismiss keyboard?
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This does seem to work (tested on ios4.1). Though it is only available on iOS 3.2 upwards. I'm not sure if this is actually guaranteed to work, or is just a non-guaranteed side effect from calling an API in a way that it's not documented to work.
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Why use armeabi-v7a code over armeabi code?
... when we speak about armeabi we speak about ARM architecture and GNU/Linux OS. Android follows the little-endian ARM GNU/Linux ABI.
armeabi application will run on ARMv5 (e.g. ARM9) and ARMv6 (e.g. ARM11). You may use Floating Point hardware if you build your application using proper GCC options li...