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How often should you use git-gc?
...the repository is used. With one user checking in once a day and a branch/merge/etc operation once a week you probably don't need to run it more than once a year.
With several dozen developers working on several dozen projects each checking in 2-3 times a day, you might want to run it nightly.
It...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
I am using the following for getting the JavaScript caller function name:
15 Answers
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Is there a vim command to relocate a tab?
...relocate a tab with :tabm using either relative or zero-index absolute arguments.
absolute:
Move tab to position i: :tabm i
relative:
Move tab i positions to the right: :tabm +i
Move tab i positions to the left: :tabm -i
It's a relatively new feature. So if it doesn't work try updating you...
How to determine when Fragment becomes visible in ViewPager
Problem: Fragment onResume() in ViewPager is fired before the fragment becomes actually visible.
26 Answers
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Use URI builder in Android or create URL with variables
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Let's say that I want to create the following URL:
https://www.myawesomesite.com/turtles/types?type=1&sort=relevance#section-name
To build this with the Uri.Builder I would do the following.
Uri.Builder builder = new Uri.Builder();
builder.scheme("https")
.authority("www.myawesomesit...
Android check internet connection [duplicate]
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This method checks whether mobile is connected to internet and returns true if connected:
private boolean isNetworkConnected() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
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git: diff between file in local repo and origin
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If [remote-path] and [local-path] are the same, you can do
$ git fetch origin master
$ git diff origin/master -- [local-path]
Note 1: The second command above will compare against the locally stored remote tracking branch. The fetch command is required to update the...
Disabling swap files creation in vim
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Another option is still use swap file, but leave it in memory, so it won't keep writing hard disk. This can't protect you from losing the file during an outage, but if you open the same file in anther vim, it will tell you immediately. The command is: set directory=/dev/shm
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How do I programmatically “restart” an Android app?
...mService(Context.ALARM_SERVICE);
mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, mPendingIntent);
System.exit(0);
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Apply pandas function to column to create multiple new columns?
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Building off of user1827356 's answer, you can do the assignment in one pass using df.merge:
df.merge(df.textcol.apply(lambda s: pd.Series({'feature1':s+1, 'feature2':s-1})),
left_index=True, right_index=True)
textcol feature1 feature2
0 0.772692 1.772692 -0.227308
1 0...