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Case-insensitive search in Rails model
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@botbot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in I...
Multiple actions were found that match the request in Web Api
...tor) to match the appropriate one.
You need to differ them by either querystring or route parameter to resolve ambiguity.
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What is the difference between dict.items() and dict.iteritems() in Python2?
...eal list of tuples and returned that. That could potentially take a lot of extra memory.
Then, generators were introduced to the language in general, and that method was reimplemented as an iterator-generator method named iteritems(). The original remains for backwards compatibility.
One of Pyth...
How to create a video from images with FFmpeg?
...estions/587511/concatenate-multiple-wav-files-using-single-command-without-extra-file
Tested on
ffmpeg 3.4.4, vlc 3.0.3, Ubuntu 18.04.
Bibliography
http://trac.ffmpeg.org/wiki/Slideshow official wiki
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Javascript: How to detect if browser window is scrolled to bottom?
..., and hence the condition does not get triggered. Not sure why, had to add extra few px to make it work.
– Sharjeel Ahmed
Apr 27 '17 at 11:34
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Prevent segue in prepareForSegue method?
...have to implement the method
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; if it's not then return NO; and the prepareForSegue is not called.
Note that this method doesn't...
MSSQL Error 'The underlying provider failed on Open'
...ng to a database and entityClient . Now I want to change the connection string so that there will be no .mdf file.
40 ...
How to fix committing to the wrong Git branch?
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For an extra secure feeling, perform the cherry-pick first on the correct branch and only then reset the wrong branch.
– Age Mooij
Dec 27 '11 at 22:54
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Difference in Months between two dates in JavaScript
...r monthCorrection=0;
//If roundUpFractionalMonths is true, check if an extra month needs to be added from rounding up.
//The difference is done by ceiling (round up), e.g. 3 months and 1 day will be 4 months.
if(roundUpFractionalMonths===true && daysDifference>0)
{
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
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It is also possible to add COLLATE utf8_unicode_ci to string constants: SET @EMAIL = 'abc@def.com' COLLATE utf8_unicode_ci;. It is especially useful if you are running a script from a console, where the console default encoding applies to your string constants' collation.
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