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Select all contents of textbox when it receives focus (Vanilla JS or jQuery)

What is a Vanilla JS or jQuery solution that will select all of the contents of a textbox when the textbox receives focus? ...
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MIME type warning in chrome for png images

... Express as your server as well (VS 2010 SP1). I 'resolved' my problem locally by editing the project settings (under Web) and changed from the ASP.NET Development Server to IIS on my local machine. I can see that PNG was already defined correctly as an image MIME type and indeed when I hit my loca...
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How to Import .bson file format on mongodb

...tion.metadata.json mongodump -h 127.0.0.1 -d my-db -c my-collection # Locally, copy this structure and run restore. # All collections from ./dump directory are picked up. scp user@server:~/dump/**/* ./ mongorestore -h 127.0.0.1 -d my-db ...
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How can I read command line parameters from an R script?

...t. In the result you'll get: example.png with some plot exmpl.batch with all that was done You could also add an environment variable %R_Script%: "C:\Program Files\R-3.0.2\bin\RScript.exe" and use it in your batch scripts as %R_Script% <filename.r> <arguments> Differences between...
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Where is the list of predefined Maven properties

I know there is a list of all predefined Maven properties (you know like project.build.sourceEncoding , or project.build.sourceDirectory ). I once saw the list but I just can't find it again. ...
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is of a type that is invalid for use as a key column in an index

...x. nvarchar(100) 2. Create a check constraint that compares the value with all the keys in the table. The condition is: ([dbo].[CheckKey]([key])=(1)) and [dbo].[CheckKey] is a scalar function defined as: CREATE FUNCTION [dbo].[CheckKey] ( @key nvarchar(max) ) RETURNS bit AS BEGIN declare...
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What is a thread exit code?

... There actually doesn't seem to be a lot of explanation on this subject apparently but the exit codes are supposed to be used to give an indication on how the thread exited, 0 tends to mean that it exited safely whilst anything else ten...
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Sending websocket ping/pong frame from browser

...chrome related to ping-pong). Or is it just a design pattern (e.g. I literally send "ping" or any other string to the server and have it respond). Is ping-pong at all related to continuation frames? ...
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nodejs require inside TypeScript file

... of default definitions for window, document and such specified in a file called lib.d.ts. If I do a grep for require in this file I can find no definition of a function require. Hence, we have to tell the compiler ourselves that this function will exist at runtime using the declare syntax: declare...
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How to execute raw SQL in Flask-SQLAlchemy app

...ion.execute('SELECT * FROM my_table WHERE my_column = :val', {'val': 5}) All your application queries should be going through a session object, whether they're raw SQL or not. This ensures that the queries are properly managed by a transaction, which allows multiple queries in the same request to ...