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Accessing members of items in a JSONArray with Java
... we can get id with a sinple getInt like how we get the value of a hashmap by specifying the key, then why do we have to iterate with a for loop? Doesn't iteration with the loop make the id get assigned to int id multiple times?
– Nav
Jun 28 '16 at 10:04
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How do I declare and assign a variable on a single line in SQL
...varchar(max) = 'Man''s best friend';
You will note that the ' is escaped by doubling it to ''.
Since the string delimiter is ' and not ", there is no need to escape ":
DECLARE @var nvarchar(max) = '"My Name is Luca" is a great song';
The second example in the MSDN page on DECLARE shows the cor...
What's the 'environment' task in Rake?
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You can get access to your models, and in fact, your whole environment by making tasks dependent on the environment task. This lets you do things like run rake RAILS_ENV=staging db:migrate.
See "Custom Rake Tasks".
shar...
PHP abstract properties
...ce instantiation. Therefore you need to prevent that it gets removed, e.g. by extending the class and replacing the constructor. The final keyword would you allow to do so.
– hakre
Oct 3 '11 at 15:48
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Is inline assembly language slower than native C++ code?
... many years ago (instruction scheduling, for example, is very hard to tune by hand) and modern CISC CPUs have very long pipelines too.
For some complex microcontrollers even system libraries are written in C instead of assembly because their compilers produce a better (and easy to maintain) final c...
Is Java's assertEquals method reliable?
... object. It is built into the language, and its behavior cannot be changed by different classes. The equals method, on the other hand, can be overridden by classes. While its default behavior (in the Object class) is to do an identity check using the == operator, many classes, including String, over...
How to create an array from a CSV file using PHP and the fgetcsv function
...ing in there in case fopen() fails, but this works to read a CSV file line by line and parse the line into an array.
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How to upgrade Git to latest version on macOS?
...h OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer
15 Answers
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Static classes and methods in coffeescript
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You can define class methods by prefixing them with @:
class Box2DUtility
constructor: () ->
@drawWorld: (world, context) -> alert 'World drawn!'
# And then draw your world...
Box2DUtility.drawWorld()
Demo: http://jsfiddle.net/ambiguous/5yP...
How to make vi redraw screen?
... @Geremia Depends on terminal type apparently, ^L is probably more common by far.
– Tim Sylvester
Jan 6 '17 at 19:19
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