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JavaScript equivalent of PHP's in_array()
...
There is now Array.prototype.includes:
The includes() method determines whether an array includes a certain
element, returning true or false as appropriate.
var a = [1, 2, 3];
a.includes(2); // true
a.includes(4); // false
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How to compare strings in Bash
... true.
(
[ "$x" == "valid" ]
&&
echo "valid"
)
||
echo "invalid"
Now, when it is evaluated, the first is checked. If it is false, than the second operand of the logic and && after it is not relevant. The first is not true, so it can not be the first and the second be true, anyway.
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Disable ActiveRecord for Rails 4
... I created an application with rails new my_app -O a month ago. Now I want the active record back. What are files/gems/configuration I need to add now?
– Jak
Mar 25 '15 at 20:09
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How to save picture to iPhone photo library?
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You will now need to add 'Privacy - Photo Library Additions Usage Description' as of iOS 11 to save photos the users album.
– horsejockey
Nov 1 '17 at 15:26
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Should I use s and s inside my s?
... Opera or iPad safari than in IE7. I'm so happy I can drop support for IE7 now! And IE8 will go away sooner or later. It's the last stubborn browser we will have to face (IE9 isn't that bad to code against).
– Camilo Martin
Aug 24 '12 at 14:30
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How to move a file?
...folder to be sure the awesome.txt file I created exists. It is there :)
Now we have moved a folder and its files from a source to a destination and back again.
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HTML table headers always visible at top of window when viewing a large table
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Could you add a fiddle with a working code? (I know that there is in the site...)
– Michel Ayres
Mar 14 '14 at 14:53
12
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Find index of last occurrence of a sub-string using T-SQL
...e last occurrence of a string using SQL? I am using SQL Server 2000 right now. I basically need the functionality that the .NET System.String.LastIndexOf method provides. A little googling revealed this - Function To Retrieve Last Index - but that does not work if you pass in a "text" column ...
How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download
.... I replaced .End() with the suggested code and it works without exception now. Thank You, My working code now is: Response.ContentType = "text/csv"; Response.AddHeader("Content-Disposition",string.Format("attachment;filename=\"{0}\"",Path.GetFileName(filePath))); Response...
Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
... developer
from opening XCode. In Visual Studio all three platforms are now
supported and a cloud testing suite is on the horizon.
From the get go, Xamarin has provided a rich Android visual design
experience. I have yet to download or open Eclipse or any other IDE
besides Xamarin. Wh...