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Difference between a theta join, equijoin and natural join
...e help me better understand it? If I use the = sign on a theta join is it exactly the same as just using a natural join?
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Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
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The Android emulator is not starting, showing “invalid command-line parameter”
...d" program in Eclipse . I added nothing to a Java file and only added a text view in file main.xml as
11 Answers
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C++ cout hex values?
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Use:
#include <iostream>
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std::cout << std::hex << a;
There are many other options to control the exact formatting of the output number, such as leading zeros and upper/lower case.
share
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Open a link in browser with java button? [duplicate]
... desktop.browse(uri);
return true;
} catch (Exception e) {
e.printStackTrace();
}
}
return false;
}
public static boolean openWebpage(URL url) {
try {
return openWebpage(url.toURI());
} catch (URISyntaxException e) {
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Checkout another branch when there are uncommitted changes on the current branch
Most of the time when I try to checkout another existing branch, Git doesn't allow me if I have some uncommitted changes on the current branch. So I'll have to commit or stash those changes first.
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JavaScript OOP in NodeJS: how?
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This is an example that works out of the box. If you want less "hacky", you should use inheritance library or such.
Well in a file animal.js you would write:
var method = Animal.prototype;
function Animal(age) {
this._age = age;
}...
How to see what will be updated from repository before issuing “svn update” command?
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What do the X's mean in the output?
– IgorGanapolsky
Nov 10 '16 at 18:22
1
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How to programmatically click a button in WPF?
...is asynchronous. That means if you are using it in a unit test and your next line is to check the expected result of clicking the button, you might have to wait.
– denver
Apr 22 '15 at 18:32
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Make elasticsearch only return certain fields?
I'm using elasticsearch to index my documents.
12 Answers
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