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How to check if object property exists with a variable holding the property name?
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You can use hasOwnProperty, but based on the reference you need quotes when using this method:
if (myObj.hasOwnProperty('myProp')) {
// do something
}
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnPrope...
How to tell PowerShell to wait for each command to end before starting the next?
...he next command. One exception to this rule is external Windows subsystem based EXE. The first trick is to pipeline to Out-Null like so:
Notepad.exe | Out-Null
PowerShell will wait until the Notepad.exe process has been exited before continuing. That is nifty but kind of subtle to pick up from...
Is the ternary operator faster than an “if” condition in Java [duplicate]
...if-then-else. As in the above example, the decision on which to choose is based wholly on readability.
Moreover, this pattern enables you to make the String parameter truly optional (if it is deemed useful to do so) by overloading the method as follows:
public void myMethod(int par1) {
return...
Determine if $.ajax error is a timeout
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do I start my app on startup?
...here is a code snippet here.
Update:
Original link on answer is down, so based on the comments, here it is linked code, because no one would ever miss the code when the links are down.
In AndroidManifest.xml (application-part):
<receiver android:enabled="true" android:name=".BootUpReceiver"
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Overwrite single file in my current branch with the same file in the master branch?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Python - json without whitespaces
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How does Angular $q.when work?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do you clone an Array of Objects in Javascript?
...e content, and it's performance (which is significantly worse than a slice based approach).
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“No backupset selected to be restored” SQL Server 2012
I have a SQL Server 2012 database with filestream enabled. However, when I backup it and try to restore it on another SQL Server 2012 instance (on another machine), I simply get this message that:
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