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What happens to global and static variables in a shared library when it is dynamically linked?
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This is a pretty famous difference between Windows and Unix-like systems.
No matter what:
Each process has its own address space, meaning that there is never any memory being shared between processes (unless you use some inter-process communicatio...
What does |= (single pipe equal) and &=(single ampersand equal) mean
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@ChrisS ^= bit will set the bit if it was not already set, &= ~bit does not set it.
– Chronicle
Mar 17 '19 at 11:15
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Total size of the contents of all the files in a directory [closed]
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If you want the 'apparent size' (that is the number of bytes in each file), not size taken up by files on the disk, use the -b or --bytes option (if you got a Linux system with GNU coreutils):
% du -sbh <directory>
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How do I use Django templates without the rest of Django?
...asy to find. (I had to dig around -- it didn't come up when I tried a few different Google searches.)
The following code works:
>>> from django.template import Template, Context
>>> from django.conf import settings
>>> settings.configure()
>>> t = Template('My n...
Track the time a command takes in UNIX/LINUX?
...ough "which" says it's /usr/bin/time, in bash, the builtin overrides that. If I do time -f "\t%E real" ls in bash, I get an error, but it works if I do /usr/bin/time -f "\t%E real" ls.
– Ben Crowell
Jun 17 '17 at 15:24
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Linq: What is the difference between Select and Where
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Select and Where are two completely different operators acting on IEnumerables.
The first one is what we call a Projection Operator, while the last one is a Restriction Operator.
One interesting way to have insight on the behavior of such operators is to take ...
I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
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This will output all days in the defined period between $start and $end. If you want to include the 10th, set $end to 11th. You can adjust format to your liking. See the PHP Manual for DatePeriod.
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Paste in insert mode?
...ed to interact with x. Type vim --version and look for +xterm_clipboard. If you don't have that, you need a different version of vim. (vim.wikia.com/wiki/Accessing_the_system_clipboard)
– Conrad.Dean
Sep 26 '11 at 5:11
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Minimal web server using netcat
... -cmakes netcat execute the given command in a shell, so you can use echo. If you don't need echo, use -e. For further information on this, try man nc. Note, that when using echo there is no way for your program (the date-replacement) to get the browser request. So you probably finally want to do so...
Count the number of occurrences of a string in a VARCHAR field?
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there is no difference in using of LENGTH() and CHAR_LENGTH() while divided to same counting byte/char. @nicogawenda
– MohaMad
Mar 8 '17 at 22:26
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