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Recover from git reset --hard?
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You cannot get back uncommitted changes in general.
Previously staged changes (git add) should be recoverable from index objects, so if you did, use git fsck --lost-found to locate the objects related to it. (This writes the objects to the .git/lost-found/ directory; from ther...
How to return dictionary keys as a list in Python?
In Python 2.7 , I could get dictionary keys , values , or items as a list:
8 Answers
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On showing dialog i get “Can not perform this action after onSaveInstanceState”
Some users are reporting, if they use the quick action in the notification bar, they are getting a force close.
16 Answers
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How to check if all of the following items are in a list?
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Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me.
Use the equ...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
... Activity is trying to create an AlertDialog which requires a Context as a parameter. This works as expected if I use:
28 A...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
I am wondering how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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How to prevent column break within an element?
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The correct way to do this is with the break-inside CSS property:
.x li {
break-inside: avoid-column;
}
Unfortunately, as of October 2019, this is not supported in Firefox but it is supported by every other major browser. With Chrome, I was able to use the above code, but I...
Setting Objects to Null/Nothing after use in .NET
...correct, there is no need to set objects to null after use. If an object implements IDisposable, just make sure you call IDisposable.Dispose() when you're done with that object (wrapped in a try..finally, or, a using() block). But even if you don't remember to call Dispose(), the finaliser method on...
Get the length of a String
How do you get the length of a String ? For example, I have a variable defined like:
41 Answers
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