
python - What is print (f"...") - Stack Overflow
Jul 22, 2019 · In Python 3.6, the f-string, formatted string literal, was introduced().In short, it is a way to format your string that is more readable and fast.
What is the purpose of .PHONY in a Makefile? - Stack Overflow
Jan 27, 2010 · Let's assume you have install target, which is a very common in makefiles. If you do not use .PHONY, and a file named install exists in the same directory as the Makefile, then make install will do nothing.
What does this regular expression mean /^[a-z]{1}[a-z0-9_]{3,13}$/
Assert position at the beginning of the string «^» Match a single character in the range between “a” and “z” «[a-z]{1}» Exactly 1 times «{1}» Match a single character present in the list below «[a-z0-9_]{3,13}» Between 3 and 13 times, as many times as possible, giving back as needed (greedy) «{3,13}» A character in the range between “a” and “z” «a-z» A character in ...
Access files in /var/mobile/Containers/Data/Application without ...
If this is your app, if you connect the device to your computer, you can use the "Devices" option on Xcode's "Window" menu and then download the app's data container to your computer.
python - Issue with virtualenv - cannot activate - Stack Overflow
Jan 19, 2012 · For activation you can go to the venv your virtualenv directory by cd venv.. Then on Windows, type dir (on unix, type ls).
Windows Powershell policy execution bypass - Stack Overflow
Apr 26, 2021 · Note the following (leaving GPOs aside): powershell.exe -executionpolicy ... sets the execution policy ad hoc, i.e. for that call (process) only.
How can I avoid 'cannot read property of undefined' errors?
In my code, I deal with an array that has some entries with many objects nested inside one another, whereas some do not. It looks something like the following: // Where this array is hundreds of en...
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Use powershell to get device names and their ipaddress on a …
Jan 21, 2017 · I converted my batch tool for this into a Powershell script. It is a wrapper for the cmd line tools ping.exe, arp.exe and nslookup.exe.