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What does the 'b' character do in front of a string literal?

... Actually, if you've imported unicode_literals from __future__, this will "reverse" the behavior for this particular string (in Python 2.x) – Romuald Brunet Mar 14 '13 at 16:27 ...
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Javascript: Round up to the next multiple of 5

... const fn = _num =>{ return Math.round(_num)+ (5 -(Math.round(_num)%5)) } reason for using round is that expected input can be a random number. Thanks!!! ...
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How do I create a WPF Rounded Corner container?

...bject (BorderThickness or CornerRadius) you can specify a single number if all 4 are the same, such as CornerRadius="8". – Santiago Palladino Sep 23 '08 at 13:14 3 ...
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How to do error logging in CodeIgniter (PHP)

... wouldn't be publicly accessible- but you'll never know. Make sure to have all of this precautions in place if you change the default application/logs directory. – Vincent Edward Gedaria Binua Jan 29 '15 at 2:56 ...
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Debug code-first Entity Framework migration codes

.... If you, like me, some times have problems in the Seed() method what I usually do is simply create a public method that calls the Protect Seed(). public void SeedDebug(AppDbContext context) { Seed(context); } then in my HomeController I call this method in Debug mode. public class HomeContr...
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Xcode Debugger: view value of variable

...reached during the execution of your program you will see on the left side all your variables available at that breakpoint. You can expand the left arrows on the variable for a greater detail. And even use the search field to isolate that variable you want and see it change on real time as you "S...
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How to compare times in Python?

...use for comparison without taking the date into account: >>> this_morning = datetime.datetime(2009, 12, 2, 9, 30) >>> last_night = datetime.datetime(2009, 12, 1, 20, 0) >>> this_morning.time() < last_night.time() True ...
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Cannot use ref or out parameter in lambda expressions

...e visible on the ref parameter itself. Both within the method and in the caller. These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions. share | ...
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@try - catch block in Objective-C

... All work perfectly :) NSString *test = @"test"; unichar a; int index = 5; @try { a = [test characterAtIndex:index]; } @catch (NSException *exception) { NSLog(@"%@", exception.reason); NSLog(@"Char at in...
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How to prevent browser page caching in Rails

... Finally figured this out - http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ in application_controller.rb After Rails 5: class ApplicationController < ActionController::Base before_a...