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Git merge reports “Already up-to-date” though there is a difference
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What I've done now is: git checkout master; git reset --hard test; This brings it back to the 'test' level. I then did a "git push --force origin master" to force changes back to the central repo.
– Charles Darke
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What's the best way to share data between activities?
...ies which I would like to be able to use the data from the first activity.
Now I know I can do something like this:
14 Answ...
clear javascript console in Google Chrome
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Update: As of November 6, 2012, console.clear() is now available in Chrome Canary.
If you type clear() into the console it clears it.
I don't think there is a way to programmatically do it, as it could be misused. (console is cleared by some web page, end user can't acce...
How to remove leading zeros from alphanumeric text?
... (Google's general-purpose Java utility library which I would argue should now be on the classpath of any non-trivial Java project), this would use CharMatcher:
CharMatcher.is('0').trimLeadingFrom(inputString);
share
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How to check whether a file is empty or not?
...ument.txt') as my_file:
... # I already have file open at this point.. now what?
... my_file.seek(0) #ensure you're at the start of the file..
... first_char = my_file.read(1) #get the first character
... if not first_char:
... print "file is empty" #first character is the em...
How to unit test abstract classes: extend with stubs?
... then become implementations of this new interface.
This means you can now test your previously abstract class using a mock instance of the new interface, and each new implementation through the now public interface. Everything is simple and testable.
Solution For 2
If you have the second si...
opengl: glFlush() vs. glFinish()
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I actually know what glFlush and glFinish do, and I can't tell what that image is saying. What's on the left side and the right? Also, was that image released in the Public Domain or under some license that allows you to post it on the I...
Restarting cron after changing crontab file?
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Ah it's that easy. It's now sudo service cron restart.
– CMCDragonkai
Jan 10 '14 at 18:25
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What is an optional value in Swift?
...String are completely different types.
Here's the most important thing to know: An optional is a kind of container. An optional String is a container which might contain a String. An optional Int is a container which might contain an Int. Think of an optional as a kind of parcel. Before you open it ...
Android and setting alpha for (image) view alpha
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@Antonio Done. I made my answer now super-duper-over-verbose ;-)
– sschuberth
Nov 21 '16 at 14:42
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