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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
...l
It is also including a similar sort of way: Array#dig and Hash#dig. So now this
city = params.fetch(:[], :country).try(:[], :state).try(:[], :city)
can be rewritten to
city = params.dig(:country, :state, :city)
Again, #dig is not replicating #try's behaviour. So be careful with returning v...
Meaning of $? (dollar question mark) in shell scripts
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This is even more wrong now. [ 1 ] and [ 0 ] are both true; [ without an operator checks if the argument is a non-empty string.
– tripleee
Jun 30 '19 at 17:05
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How do I bind Twitter Bootstrap tooltips to dynamically created elements?
...e tooltip was not showing/hiding properly.
I had to write this, and it is now working perfectly:
$(document).on('mouseenter','[rel=tooltip]', function(){
$(this).tooltip('show');
});
$(document).on('mouseleave','[rel=tooltip]', function(){
$(this).tooltip('hide');
});
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What is the purpose of “android.intent.category.DEFAULT”?
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Documentation is now more clear IMO: Android automatically applies the the CATEGORY_DEFAULT category to all implicit intents passed to startActivity() and startActivityForResult(). So if you want your activity to receive implicit intents, it ...
Change One Cell's Data in mysql
...swering the question for readers in the future, not just the person asking now! Please edit your answer to add explanation, and give an indication of what limitations and assumptions apply.
– Toby Speight
May 2 '17 at 8:54
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Adaptive segue in storyboard Xcode 6. Is push deprecated?
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Did that just now and at least for me "show" operated just like "push".
– Spencer Hall
Jun 25 '14 at 17:16
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Reset AutoIncrement in SQL Server after Delete
I've deleted some records from a table in a SQL Server database. Now the ID's go from 101 to 1200. I want to delete the records again, but I want the ID's to go back to 102. Is there a way to do this in SQL Server?
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Can I use CoffeeScript instead of JS for node.js?
...r to your app and you can start treating coffee files and js files equally now (meaning that you can require coffee files too !).
This method will require you to write just the one file (app.js) in vanilla javascript. But the advantage is that your deploy environment need not have coffeescript as ...
How to check if APK is signed or “debug build”?
As far as I know, in android "release build" is signed APK. How to check it from code or does Eclipse has some kinda of secret defines?
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UTF-8 without BOM
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Now with pictures.
Go to File -> Save As.
Then on Save button click on triangle and click Save with Encoding....
Click ok to overwrite the file then from list of encodings find UTF-8 Without signature -> Click OK....