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Benefits of prototypal inheritance over classical?
...age like Visual Basic was to C++ in Microsoft’s language families at the time.
This is bad because when people use constructors in JavaScript they think of constructors inheriting from other constructors. This is wrong. In prototypal inheritance objects inherit from other objects. Constructors n...
How to set or change the default Java (JDK) version on OS X?
...you run java -version you will see:
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)
Add the export JAVA_HOME… line to your shell’s init file.
For Bash (as stated by antonyh):
export JAVA...
How to compare dates in Java? [duplicate]
...toryDate <= todayDate <= futureDate */
}
You could also give Joda-Time a go, but note that:
Joda-Time is the de facto standard date and time library for Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310).
Back-ports are available for Java 6 and 7 as well as...
Why would anybody use C over C++? [closed]
...or specialized applications, which is why C++ is generally better. (by the time the code is done, computers are faster and eat the dif)
– Adam Davis
Jan 31 '09 at 19:59
21
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What is the lifetime of a static variable in a C++ function?
...once and retains its value between function calls. What exactly is its lifetime? When do its constructor and destructor get called?
...
How to watch for array changes?
...oesn't provide any way to watch for such changes, this library relies on a timeout that runs every 250 ms and checks to see if the array has changed at all -- so you won't get a change notification until the next time the timeout runs. Other changes like push() get notified immediately (synchronous...
How to print without newline or space?
...ny string to either parameter, and you can use both parameters at the same time.
If you are having trouble with buffering, you can flush the output by adding flush=True keyword argument:
print('.', end='', flush=True)
Python 2.6 and 2.7
From Python 2.6 you can either import the print function f...
How does type Dynamic work and how to use it?
... = new DynImpl
d: DynImpl = DynImpl@7711a38f
scala> d.foo
java.lang.RuntimeException: method not found
scala> d.foo = 10
d.foo: Any = 10
scala> d.foo
res56: Any = 10
The code works as expected - it is possible to add methods at runtime to the code. On the other side, the code isn't typ...
Create a unique number with javascript time
...y using javascript. In the past, I've done this by creating a number using time. The number would be made up of the four digit year, two digit month, two digit day, two digit hour, two digit minute, two digit second, and three digit millisecond. So it would look something like this: 201111041039127...
Static method in a generic class?
... I tried Clazz<Object>.doIt(object) and got a compile-time error! "Syntax error on token(s), misplaced construct(s)". Clazz.doIt(object) works fine though, not even a warning.
– André Chalella
Jun 1 '09 at 20:14
...