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Understanding :source option of has_one/has_many through of Rails
Please help me in understanding the :source option of has_one/has_many :through association. The Rails API explanation makes very little sense to me.
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Import error: No module name urllib2
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As stated in the urllib2 documentation:
The urllib2 module has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3.
So you shou...
How can I create a UILabel with strikethrough text?
...g.length))
then:
yourLabel.attributedText = attributeString
To make some part of string to strike then provide range
let somePartStringRange = (yourStringHere as NSString).range(of: "Text")
attributeString.addAttribute(NSStrikethroughStyleAttributeName, value: 2, range: somePartStringRange)
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.NET 4.0 build issues on CI server
...more, you can install the "Microsoft Windows SDK for Windows 7 and .NET Framework 4" now.
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=6b6c21d2-2006-4afa-9702-529fa782d63b
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Sort JavaScript object by key
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The other answers to this question are outdated, never matched implementation reality, and have officially become incorrect now that the ES6/ES2015 spec has been published.
See the section on property iteration order in Exploring ES6 by Axel Rauschmayer:
All methods that iterate over p...
How to do a recursive find/replace of a string with awk or sed?
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find /home/www \( -type d -name .git -prune \) -o -type f -print0 | xargs -0 sed -i 's/subdomainA\.example\.com/subdomainB.example.com/g'
-print0 tells find to print each of the results separated by a null character, rather than a ...
Calling a JavaScript function named in a variable [duplicate]
I have a JavaScript variable which contains the name of a JavaScript function. This function exists on the page by having been loaded in and placed using $.ajax, etc.
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How do you merge two Git repositories?
...here <rev> is a SHA-1 commit hash. You can still see the history, blame some changes.
git log <rev>
git blame <rev> -- README.md
Note that you can't see the directory prefix from here since this is an actual old branch left intact.
You should treat this like a usual file move co...
HTML5 record audio to file
... server when they're done. So far, I've managed to make a stream to an element with the following code:
7 Answers
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How to force link from iframe to be opened in the parent window
I need to open the link in the same parent page, instead of open it in a new page.
13 Answers
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