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How to urlencode data for curl command?
...;strlen ; pos++ )); do
c=${string:$pos:1}
case "$c" in
[-_.~a-zA-Z0-9] ) o="${c}" ;;
* ) printf -v o '%%%02x' "'$c"
esac
encoded+="${o}"
done
echo "${encoded}" # You can either set a return variable (FASTER)
REPLY="${encoded}" #+or echo t...
Is there a C++ gdb GUI for Linux? [closed]
... local and remote processes.
If your not familiar with using an Eclipse based IDE, the GUI will take a little getting used to. However, once you get to understand the GUI ideas that are unique to Eclipse (e.g. a perspective), using the tool becomes a nice experience.
The CDT tooling provides a ...
How to debug an apache virtual host configuration?
...
Syntax check
To check configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Deb...
Why no love for SQL? [closed]
... it seems that every framework under the sun comes pre-packaged with a database abstraction layer.
29 Answers
...
The modulo operation on negative numbers in Python
...thon, modulo operator works like this.
>>> mod = n - math.floor(n/base) * base
so the result is (for your case):
mod = -5 - floor(-1.25) * 4
mod = -5 - (-2*4)
mod = 3
whereas other languages such as C, JAVA, JavaScript use truncation instead of floor.
>>> mod = n - int(n/base) * ...
Relative paths based on file location instead of current working directory [duplicate]
...ir; necessary for correct resolution of target path.
fname=$(command basename -- "$target") # Extract filename.
[[ $fname == '/' ]] && fname='' # !! curiously, `basename /` returns '/'
if [[ -L $fname ]]; then
# Extract [next] target path, which is defined
#...
What is sr-only in Bootstrap 3?
...ucts/Blindness/JAWS. Example markup is as follows:
<a href="#" target="_blank">
Click to Open Site
<span class="sr-only">This is an external link</span>
</a>
Additionally, if a DOM element has a width and height of 0, the element is not seen by the DOM. This is why...
Do I really have a car in my garage? [duplicate]
...
@T-Rex Absolutely not! There are cases where a base class stands fine on it's own, but you might also want to inherit from it. Continuing with the Vehicle example, you may have a Boat in your garage that has all the information you need to operate your boat. But your ne...
Converting bytes to megabytes
...
Well, I agree with you and I also use 10-base mega and 2-base kibi and mebi. That is the IEC standard for metric use: that is final and there is no use kicking over it.
– Zan Lynx
Aug 12 '10 at 18:27
...
What is the difference between buffer and cache memory in Linux?
...110207101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html
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