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“#include” a text file in a C program as a char[]
...f the binary data. See this answer: Include binary file with GNU ld linker script.
Convert your file into a sequence of character constants that can initialize an array. Note you can't just do "" and span multiple lines. You would need a line continuation character (\), escape " characters and other...
How to get the instance id from within an ec2 instance?
...tance-id
If you need programatic access to the instance ID from within a script,
die() { status=$1; shift; echo "FATAL: $*"; exit $status; }
EC2_INSTANCE_ID="`wget -q -O - http://169.254.169.254/latest/meta-data/instance-id || die \"wget instance-id has failed: $?\"`"
An example of a more advan...
How can I change the color of my prompt in zsh (different from normal text)?
...s it in some other zsh initialization file. You should still include it in scripts you intend to share with others.
– kindall
Aug 19 '19 at 22:33
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Any tips on how to organize Eclipse environment on multiple monitors?
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@prefabSOFT - I've actually started using an AutoHotkey script instead.
– Feet
May 11 '11 at 22:39
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What is the difference between Android margin start/end and right/left?
... much logical sense to use start/right when those will be the same for RTL scripts).
– Liggliluff
Feb 8 '17 at 2:12
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show 2 more comments
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Using 'return' in a Ruby block
I'm trying to use Ruby 1.9.1 for an embedded scripting language, so that "end-user" code gets written in a Ruby block. One issue with this is that I'd like the users to be able to use the 'return' keyword in the blocks, so they don't need to worry about implicit return values. With this in mind, t...
Difference between CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR
... handy when you need to locate resource files like template files or batch scripts that are located next to the CMakeLists.txt file currently being processed.
Note: When using the add_subdirectory() command rather than include(), the behavior is different, and when src/CMakeLists.txt is being proce...
Using regular expressions to parse HTML: why not?
... ntownsend: For instance, you think you have stripped all the script tags from the HTML but your regex fails cover a special case (that, let's say, only works on IE6): boom, you have an XSS vulerability!
– Tamas Czinege
Feb 26 '09 at 14:39
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How do you append to an already existing string?
...zquez-Abrams
i adapted slightly for better ease of use :)
placed at top of script
NEW_LINE=$'\n'
then to use easily with other variables
variable1="test1"
variable2="test2"
DESCRIPTION="$variable1$NEW_LINE$variable2$NEW_LINE"
OR
to append thank-you William Pursell
DESCRIPTION="$variable1$NEW_LINE...
Piping buffer to external command in Vim
...line:
vim -es +"w >> /dev/stdout" -cq! /etc/hosts
It's useful for scripting purposes.
For more command-line tricks, check:
How to write whole buffer to standard output from the command line?
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