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Accessing last x characters of a string in Bash
...l parameters
beginning at offset. If parameter is an indexed array name subscripted by ‘@’ or
‘*’, the result is the length members of the array beginning with
${parameter[offset]}. A negative offset is taken relative to one greater than the
maximum index of the specified array. Substring ex...
Sending command line arguments to npm script
The scripts portion of my package.json currently looks like this:
15 Answers
15
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Find which commit is currently checked out in Git
... This versione is very useful if you want to do some check in a script
– Daniele Licitra
Apr 5 '18 at 21:05
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Why are my PowerShell scripts not running?
I wrote a simple batch file as a PowerShell script, and I am getting errors when they run.
9 Answers
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Javascript objects: get parent [duplicate]
...nt object via 't'
this.p = t;
this.subFunction = function(){
alert(this.p.par);
}
})(this);
}
var myObj = new Foo();
myObj.sub.subFunction() // will popup 3;
myObj.par = 5;
myObj.sub.subFunction() // will popup 5;
...
How best to include other scripts?
The way you would normally include a script is with "source"
21 Answers
21
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bash: Bad Substitution
This bash script gives me Bad substitution error on Ubuntu. Any help will be highly appreciated.
11 Answers
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Traits vs. interfaces
I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...
How to convert JSON data into a Python object
... for such small, local code blocks. I'd add a comment though to explicitly alert maintainers of code of such a dependency.
– cfi
Jun 1 '16 at 7:33
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What's the difference between passing by reference vs. passing by value?
...
First and foremost, the "pass by value vs. pass by reference" distinction as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used now.1
Newer languages2 tend to u...