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Run a string as a command within a Bash script
...Yes, it does forward the return value of the command. However, it does NOT set the "${PIPESTATUS[@]}" variable in bash properly. However, set -o pipefail does properly cause eval to return a failure exit code if the command contains failing command piped to a successful command.
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✔ Checkmark selected row in UITableViewCell
...ct in my tableview. I am using the the objects received from the server to set the checkmark in my tableview cell. Once, I do that, I save the check objects in a global array. However, when I use that array to compare inside my 'didSelectRowAtIndexPath' method to see if the indexpath matches to this...
Measure and Benchmark Time for Ruby Methods
How can i measure the time taken by a method and the individual statements in that method in Ruby. If you see the below method i want to measure the total time taken by the method and the time taken for database access and redis access. I do not want to write Benchmark.measure before every statement...
ES6 class variable alternatives
...answer — class variables are possible, but you wouldn't use prototype to set them.
For a true class variable you'd want to do something like the following:
class MyClass {}
MyClass.foo = 'bar';
From within a class method that variable can be accessed as this.constructor.foo (or MyClass.foo).
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Most lightweight way to create a random string and a random hexadecimal number
What is the most lightweight way to create a random string of 30 characters like the following?
13 Answers
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How to uninstall Jenkins?
...er seen Mac applications uninstalled using a customized installation or by setting up a folder action for Trash. Can you point me to some examples of those?
– sti
Jul 24 '12 at 20:31
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How to store a list in a column of a database table
... not by the physical ordering of the rows (SQL is based upon the idea of a set, meaning that the only ordering you should rely on is that which you explicitly define in your query)
Every row/column intersection must contain one and only one value
The last point is obviously the salient point here....
How do I restart a service on a remote machine in Windows? [closed]
.... Does not work in PowerShell, probably because of the \\, error follows: Set-Content : A parameter cannot be found that matches parameter name '[the name of the service]'. Only minor drawback is that it returns you to the command line before the operation is finished.
– Josh...
Replace new lines with a comma delimiter with Notepad++?
...ace
OR
TextFX -> TextFX Edit -> Trim trailing spaces
Be sure to set the Search Mode to "Regular expression".
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Pairs from single list
Often enough, I've found the need to process a list by pairs. I was wondering which would be the pythonic and efficient way to do it, and found this on Google:
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