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Explain the “setUp” and “tearDown” Python methods used in test cases
...top in the place where it was started - this means that we have to restore app state to it's initial state - e.g close files, connections, removing newly created items, calling transactions callback and so on - all these steps are to be included into the tearDown.
So the idea is that test itself sh...
Rails ActionMailer - format sender and recipient name/email address
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address.display_name appears to mutate the string encoding in some cases, so if you plan on using name later on, e.g. in rails mailer views, do address.display_name = name.dup
– Eero
Nov 1 '13 at 11:52
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MIME type warning in chrome for png images
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I encountered this while running an ASP.NET WebForms app using the ASP.NET Development Server.
I suspect something similar will happen if you use IIS Express as your server as well (VS 2010 SP1).
I 'resolved' my problem locally by editing the project settings (under Web) and ...
How to remove new line characters from a string?
...each(char c in s) {
if(!removeChars.Contains(c)) {
sb.Append(c);
}
}
return sb.ToString();
}
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Android: how to make keyboard enter button say “Search” and handle its click?
I can't figure this out. Some apps have a EditText (textbox) which, when you touch it and it brings up the on-screen keyboard, the keyboard has a "Search" button instead of an enter key.
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What is the difference between “Flush Magento Cache” and “Flush Cache Storage” in magento's cache ma
...ache location (like /tmp/) or service (like Memcache) is shared with other applications. "Flush Magento Cache" removes only those entries that Magento reliably tracks as its own. "Flush Cache Storage" clears everything but might affect other applications if they're using it.
Normally the location i...
Long Press in JavaScript?
...lding you finger dead steady and not moving 1px is quite hard! You need to apply a threshold (if mouse hasn't moved 10px) etc. Gets complicated quite quickly!
– Ian
Feb 18 '15 at 12:44
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Many-to-many relationship with the same model in rails?
...the posts association will create records in the post_connections table as appropriate.
Some things to note:
You can see in the above irb session that the association is uni-directional, because after a.posts = [b, c], the output of b.posts does not include the first post.
Another thing you may h...
Authorize Attribute with Multiple Roles
...ation if implemented correctly (I'm using the accepted in a production web app). Proposing an edit to remove the comments about the accepted answer.
– Eric Eskildsen
Oct 31 '18 at 18:29
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Changing specific text's color using NSMutableAttributedString in Swift
...TextView. I am using a concatenated string, and just want the strings I am appending into the TextView's text. It appears that what I want to use is NSMutableAttributedString , but I am not finding any resources of how to use this in Swift. What I have so far is something like this:
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