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Remove multiple elements from array in Javascript/jQuery
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@MuhammadUmer - No, not if you do it correctly, which is what my answer explains.
– nnnnnn
Aug 29 '13 at 19:09
5
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What is the difference between JDK and JRE?
... everything the JRE has, but also the compiler (javac) and tools (like javadoc and jdb). It is capable of creating and compiling programs.
Usually, if you only care about running Java programs on computer you will only install the JRE. It's all you need. On the other hand, if you are planning to do...
Give examples of functions which demonstrate covariance and contravariance in the cases of both over
...the contract of Super.getSomething())
Contravariance
class Super{
void doSomething(String parameter)
}
class Sub extends Super{
void doSomething(Object parameter)
}
Sub#doSomething is contravariant because it takes a parameter of a superclass of the parameter of Super#doSomething (but, again...
Disable button in jQuery
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Here is a small fiddle I created. Please let me what I'm doing wrong. jsfiddle.net/2Nfu4/3
– user2047817
Feb 28 '13 at 17:48
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What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...t of files to a previous state and are essentially faster, safer ways of undoing mistakes than using the p4 obliterate command (and you don't need admin access to use them).
In the case of "Rollback...", this could be any number of files, even an entire depot. You can tell it to rollback to a sp...
Script parameters in Bash
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$1 # /home/kristoffer/test.png
$2 # /home/kristoffer/test.txt
The downside is that you'll have to supply it in the right order. There are libraries that can make it easier to parse named arguments on the command line, but usually for simple shell scripts you should just use the easy way, if...
How does Python's super() work with multiple inheritance?
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This is detailed with a reasonable amount of detail by Guido himself in his blog post Method Resolution Order (including two earlier attempts).
In your example, Third() will call First.__init__. Python looks for each attribute in the class's parents as they are listed left to right...
How can I clear event subscriptions in C#?
... an empty invocation list, effectively.
From outside the class, you can't do this - events basically expose "subscribe" and "unsubscribe" and that's it.
It's worth being aware of what field-like events are actually doing - they're creating a variable and an event at the same time. Within the class...
Could not find an implementation of the query pattern
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Is the tblPersoon implementing IEnumerable<T>? You may need to do it using:
var query = (from p in tblPersoon.Cast<Person>() select p).Single();
This kind of error (Could not find an implementation of the query pattern) usually occurs when:
You are missing LINQ namespace usage...
How to align an image dead center with bootstrap
... the closing </div> tag on the container div looks missing. this doesn't work for me on v3.3.7
– tarabyte
Jan 9 '18 at 1:02
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