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check android application is in foreground or not? [duplicate]
...App", "App in background")
}
@OnLifecycleEvent(Lifecycle.Event.ON_START)
fun onAppForegrounded() {
Log.d("MyApp", "App in foreground")
}
}
In the end, update your AndroidManifest.xml file with:
<application
android:name=".ArchLifecycleApp"
//Your extra code
...
Insert a line at specific line number with sed or awk
...
@waLLe, start with the awk info page which has a nice description of how awk works. Here, I have 2 "condition {action}" pairs, the 2nd has no condition which means the action is performed for every record. After you finish reading an...
Automatically import modules when entering the python or ipython interpreter
...
Use the environment variable PYTHONSTARTUP. From the official documentation:
If this is the name of a readable file, the Python commands in that
file are executed before the first prompt is displayed in interactive
mode. The file is executed in the sam...
Make function wait until element exists
... add a canvas over another canvas – how can I make this function wait to start until the first canvas is created?
10 Answ...
Why should I not include cpp files and instead use a header?
...ecutable:
The preprocessor is run, which parses all the directives which starts with a '#'. The #include directive concatenates the included file with inferior, for example. It also does macro-replacement and token-pasting.
The actual compiler runs on the intermediate text file after the preproces...
renderpartial with null model gets passed the wrong type
...or the user. Let's say I'm used to what my colleage uses in his project, I start a fresh one. Then totally forget to add this overload and voilla, the exceptions start happening in production because we didn't test it well enough. A different name is beter imho.
– Jaap
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Testing web application on Mac/Safari when I don't own a Mac
...d when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac.
...
Remove all subviews?
...of the array is kept
When removing all the subviews, it is a good idea to start deleting at the end of the array and keep deleting until you reach the beginning. This can be accomplished with this two lines of code:
for (int i=mySuperView.subviews.count-1; i>=0; i--)
[[mySuperView.subvi...
Handle ModelState Validation in ASP.NET Web API
...d, using an ActionFilter and jQuery: http://asp.net/web-api/videos/getting-started/custom-validation
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Left Align Cells in UICollectionView
...nction. For example, many are based on the assumption that the rect always starts at the beginning of a new line which is not necessarily the case.
So in other words:
Most of the solutions suggested on this page work for some specific applications, but they don't work as expected in every situati...