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PHP: How to use array_filter() to filter array keys?
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I'm curious if this is more efficient than my solution though? It's definitely more elegant :)
– GWW
Nov 23 '10 at 19:48
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Set width of TextView in terms of characters
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of course I'm still testing to see if this actually works, but so far it looks like it.
– Fraggle
May 29 '11 at 1:45
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Python list sort in descending order
...give you a sorted version of the array.
sorted(timestamp, reverse=True)
If you want to sort in-place:
timestamp.sort(reverse=True)
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How to best position Swing GUIs?
...grammatically setting its location. Most windowing systems cascade windows if their locations are not explicitly set. The actual location is determined once the window is shown on the screen.
Have a look at the effect of this example that puts 3 GUIs into the default positions as chosen by the OS...
Date format Mapping to JSON Jackson
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12 hour format is better if the format also includes the AM/PM designation: DateFormat df = new SimpleDateFormat("yyyy-MM-dd hh:mm a z");
– John Scattergood
Feb 8 '16 at 21:45
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How to revert a folder to a particular commit by creating a patch
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You can use git checkout to update your repository to a specific state.
git checkout e095 -- somefolder
As for your question about generating the diff, that would work too. Just generate the diff to go from your current state back to e095:
git diff 89cd..e095 -- somefolder
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Build.scala, % and %% symbols meaning
...ion/2.1.1/SBTDependencies
Getting the right Scala version with %%
If you use groupID %% artifactID % revision instead of groupID % artifactID % revision (the difference is the double %% after the
groupID), SBT will add your project’s Scala version to the artifact
name. This is just a ...
Rails Root directory path?
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In Rails 3 and newer:
Rails.root
which returns a Pathname object. If you want a string you have to add .to_s. If you want another path in your Rails app, you can use join like this:
Rails.root.join('app', 'assets', 'images', 'logo.png')
In Rails 2 you can use the RAILS_ROOT constant, whi...
How to upgrade rubygems
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without sudo if you installed gems as a regular user (installing gems as root is not very nice anyway).
– akostadinov
Sep 6 '16 at 6:53
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Blocks on Swift (animateWithDuration:animations:completion:)
I'm having trouble making the blocks work on Swift. Here's an example that worked (without completion block):
7 Answers
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