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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...
Where do alpha testers download Google Play Android apps?
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You need to publish the app before it becomes available for testing.
if you publish the app and the apk is only in "alpha testing" section
then it is NOT available to general public, only for activated testers in the alpha section.
EDIT:
One additional note: "norm...
Git submodule update
I'm not clear on what the following means (from the Git submodule update documentation):
4 Answers
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What is your favorite C programming trick? [closed]
For example, I recently came across this in the linux kernel:
37 Answers
37
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PHP - Extracting a property from an array of objects
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What is JavaScript's highest integer value that a number can go to without losing precision?
...= -x
log(x == x + 1) // true !
log(y == y - 1) // also true !
// Arithmetic operators work, but bitwise/shifts only operate on int32:
log(x / 2) // 4503599627370496
log(x >> 1) // 0
log(x | 1) // 1
Technical note on the subject of the number 9,007,199,254,740,992...