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How to clear all s’ contents inside a parent ?
...'') will cause some string parsing to take place, which generally is a bad idea when working with the DOM. Try and use DOM manipulation methods that do not involve string representations of DOM objects wherever possible.
sh...
How to use ArrayAdapter
... Although the simplest solution, this is (IMHO) not a very good idea. Three reasons: If you ever need localization, you will have to refactor. This only works if you have 1 adapter, if you have 2 different adapters for MyClass, you wil have to refactor. Finally, it's generally a bad idea ...
How do I convert a TimeSpan to a formatted string? [duplicate]
...gt; timespan.tostring("%d") + " " +timespan.tostring(@"hh\:mm:\ss"); . The idea is get the required strings separately and join them.
– prabhakaran
Aug 3 '12 at 8:51
22
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Remove all special characters except space from a string using JavaScript
...es not use RegExp and use good UTF-8 support in the JavaScript engine. The idea is simple if a symbol is equal in uppercase and lowercase it is a special character. The only exception is made for whitespace.
function removeSpecials(str) {
var lower = str.toLowerCase();
var upper = str.t...
What is an existential type?
...lt;T> source, List<T> dest) {
...
}
The copy function has no idea what T will actually be, but it doesn't need to.
Existential types would let you write things like:
interface VirtualMachine<B> {
B compile(String source);
void run(B bytecode);
}
// Now, if you had a list...
Copying files from one directory to another in Java
...rty tools instead of writing all utilities by ourself seems to be a better idea. It can save time and other valuable resources.
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Git - How to fix “corrupted” interactive rebase?
...anges were incorrect and so I executed "git reset HEAD --hard". Not a good idea, I tell you.
18 Answers
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If string is empty then return some default value
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Phrogz sort of gave me the idea in PofMagicfingers comment, but what about overriding | instead?
class String
def |(what)
self.strip.blank? ? what : self
end
end
@user.address | "We don't know user's address"
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Nginx reverse proxy causing 504 Gateway Timeout
...ver makes it through beyond those 5 minutes or 300 seconds. Are there more ideas to fix it?
– Pathros
May 1 at 22:53
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Why does Java allow us to compile a class with a name different than the file name?
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@AndrewBarber, the analogy perfectly fits the idea of directory, in the long corridor you can quickly find a person by just glancing on the door plates, you do not need to enter each room and ask.
– exebook
Dec 2 '13 at 15:15
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