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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...
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...
How to write a bash script that takes optional input arguments?
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you need write to a regular variable to use the substitution
#!/bin/bash
NOW=$1
echo ${NOW:-$(date +"%Y-%m-%d")}
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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...
Capture Image from Camera and Display in Activity
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@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's the fuss about Haskell? [closed]
I know a few programmers who keep talking about Haskell when they are among themselves, and here on SO everyone seems to love that language. Being good at Haskell seems somewhat like the hallmark of a genius programmer.
...
How do you work with an array of jQuery Deferreds?
...lice.call(arguments));
});
return deferred;
}
}
Now you can simply pass in an array of deferreds/promises and get back an array of resolved/rejected objects in your callback, like so:
$.when.all(promises).then(function(schemas) {
console.log("DONE", this, schemas); /...
Where is Xcode's build folder?
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~/Library/Developer/Xcode/DerivedData is now the default.
You can set the prefs in Xcode to allow projects to specify their build directories.
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List or IList [closed]
...ays writeable and thus always keeps its promises. Also, since .NET 4.6, we now have IReadOnlyCollection<T> and IReadOnlyList<T> which are almost always better fits than IList<T>. And they are covariant. Avoid IList<T>!
– ZunTzu
Nov 10 '1...
What do two question marks together mean in C#?
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Tangential but related: It's now in Swift, but it's very different: "Nil Coalescing Operator" developer.apple.com/library/ios/documentation/Swift/Conceptual/…
– Dan Rosenstark
Oct 14 '15 at 19:21
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