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Generate a random alphanumeric string in Cocoa
... [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
}
return randomString;
}
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Find all files in a directory with extension .txt in Python
...hat, PEP8 recommends appending a single underscore to such names, i.e. file_, which you'd have to agree is still quite readable.
– martineau
Oct 14 '12 at 19:04
9
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Android studio: new project vs new module
...est analogy, read more here: jetbrains.org/intellij/sdk/docs/basics/project_structure.html
– Oded Breiner
Oct 30 '15 at 11:47
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How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
... to work how to generate the correct type (Person or Employee), because in order to determine this you need to analyse the JSON and there is no built in way to do this using the Create method.
I found a discussion thread pertaining to type conversion and it turned out to provide the answer. Here is...
When should I use a List vs a LinkedList
... curNode = list.First;
for (var k = 0; k < i/2; k++) // In order to insert a node at the middle of the list we need to find it
curNode = curNode.Next;
list.AddAfter(curNode, a); // Insert it after
}
decimal sum = 0;
foreach (var i...
qmake: could not find a Qt installation of ''
...e to list qt4 when asked directly.
This made everything better:
export QT_SELECT=qt4
qtchooser then knew to use qmake-qt4, and so on.
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How to print matched regex pattern using awk?
...Relevant manual page: https://www.gnu.org/software/sed/manual/sed.html#Back_002dreferences-and-Subexpressions
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How to get nice formatting in the Rails console
...ease of Ruby 2.0.0.
For rails 4/ruby 2 you could use just
puts object.to_yaml
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iPhone : How to detect the end of slider drag?
...mething like this in your viewWillAppear (or wherever it fits you) call:
[_mySlider addTarget:self
action:@selector(sliderDidEndSliding:)
forControlEvents:(UIControlEventTouchUpInside | UIControlEventTouchUpOutside)];
The receiving method would look like this:
- (void)sliderDi...
How to load db:seed data into test database automatically?
...d the data.
load "#{Rails.root}/db/seeds.rb"
# or
Rails.application.load_seed
Where to place that depends on what testing framework you are using and whether you want it to be loaded before every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file.
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