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How to call methods dynamically based on their name? [duplicate]
... method dynamically when its name is contained in a string variable? For example:
5 Answers
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In Scala, what exactly does 'val a: A = _' (underscore) mean?
....0d if T is Double,
false if T is Boolean,
() if T is Unit,
null for all other types T.
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
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I'm not saying always use a {} block. If it's a simple enough condition & behavior, don't. If you suspect someone might come in later & change your code to add functionality, do.
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TypeError: module.__init__() takes at most 2 arguments (3 given)
... me 3 hours to figure out i was using the module and not the class. #$%^$%&$%&
– Mickey Perlstein
Dec 31 '18 at 16:52
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How to manually expand a special variable (ex: ~ tilde) in bash
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Using eval is a horrible suggestion, it's really bad that it gets so many upvotes. You will run into all sorts of problems when the variable's value contains shell meta characters.
– user2719058
Aug 31 '14 at 19:47
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Revert changes to a file in a commit
...a workflow to revert changes in a single file in an earlier commit:
For example, you want to revert changes in 1 file (badfile.txt) in commit aaa222:
aaa333 Good commit
aaa222 Problem commit containing badfile.txt
aaa111 Base commit
Rebase on the base commit, amend the problem commit, & cont...
How to tell PowerShell to wait for each command to end before starting the next?
...t options.
# Saving output as a string to a variable.
$output = ping.exe example.com | Out-String
# Filtering the output.
ping stackoverflow.com | where { $_ -match '^reply' }
# Using Start-Process affords the most control.
Start-Process -Wait SomeExecutable.com
I do miss the CMD/Bash style opera...
What is the difference between Google App Engine and Google Compute Engine?
...d. But the restriction is, you can create your application in only Python, PHP, Java, NodeJS, .NET, Ruby and **Go.
On the other hand, GCE provides you full infrastructure in the form of Virtual Machine. You have complete control over those VMs' environment and runtime as you can write or install an...
JavaScript equivalent to printf/String.Format
I'm looking for a good JavaScript equivalent of the C/PHP printf() or for C#/Java programmers, String.Format() ( IFormatProvider for .NET).
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Overriding a JavaScript function while referencing the original
...tioned in the comments, be sure to include the () at the end. You want to call the outer function and store the result (one of the two inner functions) in a, not store the outer function itself in a.
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