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What is a WeakHashMap and when to use it? [duplicate]
... to be as readily collected as soft references (which don't tend to hang about for long after the last strong reference disappears)
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How can I debug my JavaScript code? [closed]
When I find that I have a problematic code snippet, how should I go about debugging it?
20 Answers
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How to determine if object is in array [duplicate]
...te error -- var i should have been var x. Fixed, thanks for pointing that out.
– cdhowie
Jul 17 '13 at 17:05
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Get a filtered list of files in a directory
...ist comprehensions lead to more clean documentable code.
The only thing about this design is that it doesn't protect you against making the mistake of passing a string instead of a list. For example if you accidentally convert a string to a list and end up checking against all the characters of a ...
ActionController::InvalidAuthenticityToken
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skip_before_filter :verify_authenticity_token
or as "sagivo" pointed out in Rails 4 add:
skip_before_action :verify_authenticity_token
On pages which do caching.
As @toobulkeh commented this is not a vulnerability on :index, :show actions, but beware using this on :put, :post actions.
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Emulator error: This AVD's configuration is missing a kernel file
...scovered when I tried to run the Android emulator in Eclipse. Can't figure out what happened. I searched online for the solution, but it seemed to be vague and I don't understand clearly.
I was following the steps to install the AVD according to the sites and I can't figure out what I missed. Pleas...
_csv.Error: field larger than field limit (131072)
... Python 2.x (SO: what-is-sys-maxint-in-python-3)
Update
As Geoff pointed out, the code above might result in the following error: OverflowError: Python int too large to convert to C long.
To circumvent this, you could use the following quick and dirty code (which should work on every system with ...
Azure SQL Database Bacpac Local Restore
...w large bacpac files you can import with the Management Studio. If you hit OutOfMemory exception, check Flea's answer on how to use the command line tool SqlPackage.exe
– Juha Palomäki
Jan 27 '14 at 13:36
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How can I play sound in Java?
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This example comes from a 1997 JavaWorld article. Way out of date, You should NOT use sun.* packages.
– sproketboy
Dec 17 '10 at 9:39
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Basic HTTP authentication with Node and Express 4
...short and quickly deployable to your playground server. But as was pointed out in the comments, passwords can also contain colon characters :. To correctly extract it from the b64auth, you can use this.
// parse login and password from headers
const b64auth = (req.headers.authorization || '').s...