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Setting JDK in Eclipse
...te to Computer > Windows C: > Program Files > Java, then click OK
Now you should see all installed JREs, select the one you want
Click OK/Finish a million times
Easy.... not.
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Why are Where and Select outperforming just Select?
...);
int result2 = myCollection.Sum(mc => mc.IsValid ? mc.Value : 0);
Now here's the kicker:
LINQ uses deferred execution. Thus, while it may appear that result1 iterates over the collection twice, it actually only iterates over it once. The Where() condition is actually applied during the S...
How to enumerate a range of numbers starting at 1
...
This answer is way out of date, you can now put just enumerate(iterable, start=1) as of Python 2.6.
– Fredrick Brennan
Feb 24 '13 at 22:50
...
Are duplicate keys allowed in the definition of binary search trees?
...se problems. Imagine your tree rule is this:
left < root <= right
Now imagine a simple tree whose root is 5, left child is nil, and right child is 5. If you do a left rotation on the root you end up with a 5 in the left child and a 5 in the root with the right child being nil. Now somethi...
Why are C# interface methods not declared abstract or virtual?
...nce void AliasedMethod() cil managed
{
.override MyInterface::Method
}
Now, consider this weird case:
interface MyInterface {
void Method();
}
class Base {
public void Method();
}
class Derived : Base, MyInterface { }
If Base and Derived are declared in the same assembly, the compiler wil...
How do I set up email confirmation with Devise?
...devise:views # global
rails generate devise:views users # scoped
You can now override the mailer views in devise/mailer/confirmation_instructions.html.erb or users/mailer/confirmation_instructions.html.erb depending on your setup
4. For development environment add the following config lines in /c...
How do I get the fragment identifier (value after hash #) from a URL?
...
@SchalkKeun luckily, now in '18 it's almost gone. But for those who still have to deal with that legend should be aware of it.
– Sebastiaan Ordelman
Jun 22 '18 at 9:45
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Capture Image from Camera and Display in Activity
...
@Harsha M V This is a known bug on Samsung Galaxy. Please see this answer stackoverflow.com/questions/7031374/…
– Oh Danny Boy
Sep 29 '11 at 19:16
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...introduction to quoting in Bash.
Arrays ($var vs. $var[@] vs. ${var[@]})
Now for your array. According to the bash manual:
Referencing an array variable without a subscript is equivalent to referencing the array with a subscript of 0.
In other words, if you don't supply an index with [], you...
Disabling browser print options (headers, footers, margins) from page?
...pport setting printer page margin at all, but all the other major browsers now support it.
With the @page directive, you can specify printer margin of the page (which is not the same as normal CSS margin of an HTML element):
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<titl...