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Xcode debugging - displaying images
...o use spacebar to Quick Look!
Quick Look in the debugger can also be implemented for your own classes:
Enabling Quick Look for Custom Types
The variables Quick Look feature in the Xcode debugger allows you to obtain a quick visual assessment of the state of an object variable through a graphical r...
Making a Sass mixin with optional arguments
...et);
}
Picked this up over here: pass a list to a mixin as a single argument with SASS
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if/else in a list comprehension
...if after the for…in is part of list comprehensions and used to filter elements from the source iterable.
Conditional expressions can be used in all kinds of situations where you want to choose between two expression values based on some condition. This does the same as the ternary operator ?: t...
Deleting queues in RabbitMQ
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If you do not care about the data in management database; i.e. users, vhosts, messages etc., and neither about other queues, then you can reset via commandline by running the following commands in order:
WARNING: In addition to the queues, this will also remove an...
How to convert string to boolean php
...ess they have a value that's considered "empty" by PHP (taken from the documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = ...
C# Java HashMap equivalent
...ld into a C# one is there a HashMap equivalent? If not what would you recommend?
7 Answers
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Java Security: Illegal key size or default parameters?
...Java 8 u162)
Extract the jar files from the zip and save them in ${java.home}/jre/lib/security/.
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.gitignore is ignored by Git
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The first 3 commenters seem to have missed the dot in the end. This means every file. "git -rm -r --cached ." <-- notice the dot.
– Christophe De Troyer
May 2 '14 at 15:29
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How do I get a list of all the duplicate items using pandas in python?
I have a list of items that likely has some export issues. I would like to get a list of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one?...
How to programmatically close a JFrame
What's the correct way to get a JFrame to close, the same as if the user had hit the X close button, or pressed Alt + F4 (on Windows)?
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