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How to get the contents of a webpage in a shell variable?
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190
You can use wget command to download the page and read it into a variable as:
content=$(wget ...
Entity Framework and Connection Pooling
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371
Connection pooling is handled as in any other ADO.NET application. Entity connection still uses...
What does “all” stand for in a makefile?
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117
A build, as Makefile understands it, consists of a lot of targets. For example, to build a pr...
Android TextWatcher.afterTextChanged vs TextWatcher.onTextChanged
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199
These events are called in the following order:
beforeTextChanged(CharSequence s, int start,...
Difference between this and self in self-type annotations?
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182
All three forms are valid, and have the effect that B is assumed as the type of this in class ...
What's the difference between using CGFloat and float?
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195
As @weichsel stated, CGFloat is just a typedef for either float or double. You can see for you...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
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reduce vs foldLeft
A big big difference, not mentioned in any other stackoverflow answer relati...
Validate uniqueness of multiple columns
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321
You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :sc...
Removing a model in rails (reverse of “rails g model Title…”)
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bundle exec rake db:rollback
rails destroy model <model_name>
When you generate a ...
How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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