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Finalize vs Dispose
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Others have already covered the difference between Dispose and Finalize (btw the Finalize method is still called a destructor in the language specification), so I'll just add a little about the scenarios where the Finalize method comes in ...
Linux command or script counting duplicated lines in a text file?
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uniq -c file
and in case the file is not sorted already:
sort file | uniq -c
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How to pass arguments and redirect stdin from a file to program run in gdb?
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I thought I was reading this wrong at first; odd that --args goes before the executable. But so it is!
– Kaolin Fire
Jul 12 '13 at 23:11
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Integrating the ZXing library directly into my Android application
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I've managed to figure it out :) And down below you can read step-by-step guide so it hopefully can help others with the same problem as I had ;)
Install Apache Ant - (See this YouTube video for config help)
Download the ZXing source from ZXing homepage and extract it
With the u...
Using global variables in a function
...rint_globvar():
print(globvar) # No need for global declaration to read value of globvar
set_globvar_to_one()
print_globvar() # Prints 1
I imagine the reason for it is that, since global variables are so dangerous, Python wants to make sure that you really know that's what you're pla...
Get final URL after curl is redirected
...goo.gl+bit.ly which redirect to youtube
1. With follow location
time while read -r line; do
curl -kIsL -w "%{url_effective}\n" -o /dev/null $line
done < all_videos_link.txt
Results:
real 1m40.832s
user 0m9.266s
sys 0m15.375s
2. Without follow location
time while read -r line; do
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How can I parse a YAML file from a Linux shell script?
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Hi vaab - While I'm sure you're correct that many readers would like to parse real YAML files from shell, it's not quite clear (at least to me) what the result would be. With this script I've taken a stab at the problem and defined a subset that has a reasonable mapping into...
Which characters need to be escaped when using Bash?
...mmand: sed -e 's/./\\&/g; 1{$s/^$/""/}; 1!s/^/"/; $!s/$/"/'.
2b. More readable version of 2
There's an easy safe set of characters, like [a-zA-Z0-9,._+:@%/-], which can be left unescaped to keep it more readable
I\'m\ a\ s@fe\ \$tring\ which\ ends\ in\ newline"
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sed command: LC_ALL=C sed -...
What is a None value?
I have been studying Python, and I read a chapter which describes the None value, but unfortunately this book isn't very clear at some points. I thought that I would find the answer to my question, if I share it there.
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How can I tell if a library was compiled with -g?
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There are also obdjump -W lib and readelf -w lib. The latter one is more configurable - see readelf(1) manpage.
– przemoc
Jan 4 '10 at 14:16
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