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Easiest way to check for an index or a key in an array?
...r this SO question: How to tell if a string is not defined in a bash shell script?
A wrapper function:
exists(){
if [ "$2" != in ]; then
echo "Incorrect usage."
echo "Correct usage: exists {key} in {array}"
return
fi
eval '[ ${'$3'[$1]+muahaha} ]'
}
For example
if ! ex...
Combining multiple git repositories
... The result is a messed up history! My solution was to paste the code in a script file a write a real <TAB> character in it. From the Terminal, a tab can be entered pressing ctrl+v and then writing a <TAB>. I haven't tried Craig's solution
– Gil Vegliach
...
How to connect to SQL Server database from JavaScript in the browser?
... source code showing how to connect to a SQL Server 2005 database from JavaScript locally? I am learning web programming on my desktop.
...
Creating .pem file for APNS?
...he above steps and now its working.I have kept the certificate and the php script on my local web server (Xampp). I am able to get the device token , and i am using it in the php script. The php script is able to connect and send payload data. But still then i am not able to get the PUSH Notificati...
Force SSL/https using .htaccess and mod_rewrite
...ttp and https traffic. For our admin area we just popped in the .htaccess script while keeping the rest of the site http.
– Michael J. Calkins
Sep 24 '14 at 23:11
1
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How to extract a git subdirectory and make a submodule out of it?
...ct.git foo only makes foo a submodule starting from HEAD. In that respect, scripting filter-branch is superior as it permits to achieve "do as if if subdir was a submodule from the very beginning"
– Gregory Pakosz
Dec 23 '12 at 19:43
...
Strip html from string Ruby on Rails
....
Loofah Gem
unsafe_html = "ohai! <div>div is safe</div> <script>but script is not</script>"
doc = Loofah.fragment(unsafe_html).scrub!(:strip)
doc.to_s # => "ohai! <div>div is safe</div> "
doc.text # => "ohai! div is safe "
...
PostgreSQL create table if not exists
In a MySQL script you can write:
6 Answers
6
...
What is 'define' used for in JavaScript (aside from the obvious)?
...
I can't say for sure without seeing the entire script, but it's likely to be the define function from RequireJS, in particular the "define with dependencies" form of that function. It is used to define a "module":
A module is different from a traditional script file i...
Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
... a web-site will enforce such restrictions. Thus, people write CSS and javascript applications should not bank on the protocol question.
– Otheus
Nov 14 '19 at 11:27
add a com...