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How to open a file using the open with statement
...n anything by putting an explicit return at the end of your function. You can use return to exit early, but you had it at the end, and the function will exit without it. (Of course with functions that return a value, you use the return to specify the value to return.)
Using multiple open() items ...
TCP loopback connection vs Unix Domain Socket performance
Working on an Android and iOS based application which require communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)
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EOL conversion in notepad ++
...reason, when I open files from a unix server on my windows machine, they occasionally have Macintosh EOL conversion, and when I edit/save them again they don't work properly on the unix server. I only use notepad ++ to edit files from this unix server, so is there a way to create a macro that autom...
Is there an XSLT name-of element?
.../>
OP-Edit: This will also do the trick:
<xsl:value-of select ="local-name()"/>
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Devise form within a different controller
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As Andres says, the form calls helpers which are specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller yo...
Global access to Rake DSL methods is deprecated
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I still had a copy of Rake 0.9.1 in my directory so I deleted it.
You can "delete" Rake 0.9.1 by running the following command:
gem uninstall rake -v=0.9.1
If you have multiple versions of the gem installed, you'll be prompted to pick a version.
After 0.9.1 was cleaned out, I ran
bundle ...
Storing R.drawable IDs in XML array
... <integer-array name="random_imgs">
<item>@drawable/car_01</item>
<item>@drawable/balloon_random_02</item>
<item>@drawable/dog_03</item>
</integer-array>
</resources>
Then in your activity, access them like so:
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Editing the git commit message in GitHub
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No, this is not directly possible. The hash for every Git commit is also calculated based on the commit message. When you change the commit message, you change the commit hash. If you want to push that commit, you have to force that push (git push -f). But if already someone pulled your old commit...
How does Chrome's “Request Desktop Site” option work?
... A better solution would be to detect device size, interfaces, and capabilities. CSS media queries are a step in the right direction.
– Brad
May 3 '13 at 1:48
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What is offsetHeight, clientHeight, scrollHeight?
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To know the difference you have to understand the box model, but basically:
clientHeight:
returns the inner height of an element in pixels, including padding but not the horizontal scrollbar height, border, or margin
offsetHeight:
is a measurement which includes the element borders,...