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What is the difference between an Azure Web Site and an Azure Web Role
...mmand-line tools to set up a web site with popular languages such as .NET, PHP, Node.js, and Python. Supported frameworks are already deployed and do not require more installation steps. The Azure Web Sites gallery contains many third-party applications, such as Drupal and WordPress as well as devel...
How do I convert a hexadecimal color to rgba with the Less compiler?
...
This hasn't been updated for a while but with Less PHP I am getting the following error - @colorGold: color('#C6AF87'); .box { background-color: rgba(red(@colorGold),green(@colorGold),blue(@colorGold),0.3); } Error is - Could not compile CSS file (screen.less): co...
Really Cheap Command-Line Option Parsing in Ruby
... require 'getopts', mainly due to the awesomeness that is OptionParser:
% cat temp.rb
require 'optparse'
OptionParser.new do |o|
o.on('-d') { |b| $quiet = b }
o.on('-i') { |b| $interactive = b }
o.on('-f FILENAME') { |filename| $file...
Can git operate in “silent mode”?
...e)
if ! git "$@" </dev/null >$stdout 2>$stderr; then
cat $stderr >&2
rm -f $stdout $stderr
exit 1
fi
rm -f $stdout $stderr
}
This will suppress stdout and stderr, unless the git command fails. It's not pretty; in fact the stdout file is ignored...
Viewing a Deleted File in Git
...it show $(git rev-list --max-count=1 --all -- foo)^:foo
The rev-list invocation looks for all the revisions of foo but only lists one. Since rev-list lists in reverse chronological order, then what it lists is the last revision that changed foo, which would be the commit that deleted foo. (This is...
How do I parse a string into a number with Dart?
...
As per dart 2.6
The optional onError parameter of int.parse is deprecated. Therefore, you should use int.tryParse instead.
Note:
The same applies to double.parse. Therefore, use double.tryParse instead.
/**
* ...
*
* The [onError] parameter is deprecated and will be removed.
*...
Difference between return and exit in Bash functions
...return has nothing to do with exit codes. Exit codes are intended for applications/scripts, not functions. So in this regard, the only keyword that sets the exit code of the script (the one that can be caught by the calling program using the $? shell variable) is exit.
EDIT 2:
My last statement re...
How to store standard error in a variable
...ROR=$(</tmp/Error)
The shell recognizes this and doesn't have to run 'cat' to get the data.
The bigger question is hard. I don't think there's an easy way to do it. You'd have to build the entire pipeline into the sub-shell, eventually sending its final standard output to a file, so that you...
What is the difference between square brackets and parentheses in a regex?
...uestion uses keyword var in code, this probably is JavaScript). The use of php which runs on PCRE for preg matching will optimize away the lack of backtracking, however we're not in PHP either, so using classes [] instead of alternations | gives performance bonus as the match does not backtrack, and...
How can I check if a key is pressed during the click event with jQuery?
I would like to catch a click event with jQuery and be able to tell if a key was pressed at the same time so I can fork within the callback function based on the keypress event.
...