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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
...and Xcode 4.3.1:
You can get the files out of the 4.3.1 DMG which can be downloaded from Apple here: Downloads for Apple Developers.
Mount the DMG, Show Package Contents on the Xcode icon and drill down to
/Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
F...
Converting a double to an int in C#
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...al SIGSEGV, but mine (and it was very hard) was entirely related to this:
https://code.google.com/p/android/issues/detail?id=8709
The libcrypto.so in my dump kind of clued me in. I do a MD5 hash of packet data when trying to determine if I've already seen the packet, and skipping it if I had. I th...
XML parsing of a variable string in JavaScript
...
Update: For a more correct answer see Tim Down's answer.
Internet Explorer and, for example, Mozilla-based browsers expose different objects for XML parsing, so it's wise to use a JavaScript framework like jQuery to handle the cross-browsers differences.
A really b...
Insert text into textarea with jQuery
...;
input{width:100px}
label{display:block;margin:10px 0}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<label>Copy text from: <input id="in2copy" type="text" value="x"></label>
<label>Insert text in: <input id="in2...
++someVariable vs. someVariable++ in JavaScript
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How to rollback a specific migration?
... rollback ONLY ONE specific migration (OUT OF ORDER) use:
rake db:migrate:down VERSION=20100905201547
Note that this will NOT rollback any interceding migrations -- only the one listed. If that is not what you intended, you can safely run rake db:migrate and it will re-run only that one, skipping...
How to scroll to top of page with JavaScript/jQuery?
...the page with a scroll effect is a bit more easier in javascript now with:
https://developer.mozilla.org/en-US/docs/Web/API/Window/scroll
There are 2 ways to use scroll API.
This is the method I recommend. Using an option object:
window.scroll(options)
This is a better option since you can define a ...
How to detect the device orientation using CSS media queries?
...port and have nothing todo with the device orientation itself.
Read more: https://dev.to/ananyaneogi/useful-css-media-query-features-o7f
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Why does npm install say I have unmet dependencies?
...
I believe it is because the dependency resolution is a bit broken, see https://github.com/npm/npm/issues/1341#issuecomment-20634338
Following are the possible solution :
Manually need to install the top-level modules, containing unmet dependencies:
npm install findup-sync@0.1.2
Re-structure y...