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How to access random item in list?
...hen randomly pick out a string from that list and display it in a messagebox.
12 Answers
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I'm getting Key error in python
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A KeyError generally means the key doesn't exist. So, are you sure the path key exists?
From the official python docs:
exception KeyError
Raised when a mapping (dictionary) key is not found in the set of
existing keys.
For example:
>>> mydict = {'a'...
Getting started with F# [closed]
...ogramming F#: A comprehensive guide for writing simple code to solve complex problems by Chris Smith
Expert F# 2.0 (Expert's Voice in F#) by Don Syme, Adam Granicz, and Antonio Cisternino
and in addition to that...
Quick Links
Visual Studio (F# is standard feature of professional editions o...
How to Batch Rename Files in a macOS Terminal?
...or use it in a script.
"${f/_*_/_}" is an application of bash parameter expansion: the (first) substring matching pattern _*_ is replaced with literal _, effectively cutting the middle token from the name.
Note that _*_ is a pattern (a wildcard expression, as also used for globbing), not a regular...
Updating and committing only a file's permissions using git version control
Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
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dyld: Library not loaded … Reason: Image not found
When trying to run an executable I've been sent in Mac OS X, I get the following error
31 Answers
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ADB Shell Input Events
...her an event_code or a string will be sent to the device.
usage: input [text|keyevent]
input text <string>
input keyevent <event_code>
Some possible values for event_code are:
0 --> "KEYCODE_UNKNOWN"
1 --> "KEYCODE_MENU"
2 --> "KEYCODE_SOFT_RIGHT"
3 --> "KEYCOD...
A non-blocking read on a subprocess.PIPE in Python
... and connect to its output stream (standard output). I want to be able to execute non-blocking reads on its standard output. Is there a way to make .readline non-blocking or to check if there is data on the stream before I invoke .readline ? I'd like this to be portable or at least work under Windo...
What is the use of “ref” for reference-type variables in C#?
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Chris, your explanation is great; Thanks for helping me understand this concept.
– Andreas Grech
Jun 8 '09 at 5:42
4
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How do I shuffle an array in Swift?
How do I randomize or shuffle the elements within an array in Swift? For example, if my array consists of 52 playing cards, I want to shuffle the array in order to shuffle the deck.
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