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How can I split and parse a string in Python?
...]: ['2.7.0', 'bf4fda703454']
This splits the string at every underscore. If you want it to stop after the first split, use "2.7.0_bf4fda703454".split("_", 1).
If you know for a fact that the string contains an underscore, you can even unpack the LHS and RHS into separate variables:
In [8]: lhs, ...
How do I sort an observable collection?
.... For larger collections watch out for the number of collection changed notifications.
I have updated my code to improve performance (thanks to nawfal) and to handle duplicates which no other answers here do at time of writing. The observable is partitioned into a left sorted half and a right unsort...
How do I get my Python program to sleep for 50 milliseconds?
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Note that if you rely on sleep taking exactly 50 ms, you won't get that. It will just be about it.
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What is the single most influential book every programmer should read? [closed]
If you could go back in time and tell yourself to read a specific book at the beginning of your career as a developer, which book would it be?
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brew install mysql on macOS
... Because this thread is old, the "launchctl unload" line above is now wrong. The file homebrew installs is not longer called "com.mysql.mysqld.plist", it is called "homebrew.mxcl.mysql.plist". The line should now read "launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist"
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Accessing an SQLite Database in Swift
...you should probably use one of the many SQLite wrappers, if you wanted to know how to call the SQLite library yourself, you would:
Configure your Swift project to handle SQLite C calls. If using Xcode 9 or later, you can simply do:
import SQLite3
Create/open database.
let fileURL = try! FileMan...
Response.Redirect to new window
...w.
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function fixform() {
if (opener.document.getElementById("aspnetForm").target != "_blank") return;
opener.document.getElementById("aspnetForm").target = "";
opener.document.getElementById("aspnetForm").action = opener.location.href...
OpenJDK availability for Windows OS [closed]
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Update (2019): OpenJDK Updates Project Builds for 8 and 11 are available now.
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How to access command line parameters?
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println(args[0]);
}
It seems that Rust is still pretty volatile right now with even standard IO, so this may become out of date fairly quickly.
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_=> what does this underscore mean in Lambda expressions?
...same thing as in this example, even though _ has absolutely no special significance in Ruby.
– Jörg W Mittag
May 6 '10 at 5:33
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