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offsetting an html anchor to adjust for fixed header [duplicate]
... (I hope that makes sense). I need a way to offset the anchor by the 25px from the height of the header. I would prefer HTML or CSS, but Javascript would be acceptable as well.
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Why is AJAX returning HTTP status code 0?
...d blocker)
as above, if the request is interrupted (browser navigates away from the page)
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Using Regular Expressions to Extract a Value in Java
...hed expression
System.out.println(m.group(1)); // first expression from round brackets (Testing)
System.out.println(m.group(2)); // second one (123)
System.out.println(m.group(3)); // third one (Testing)
}
}
Since you're looking for the first number, you can use such re...
Xcode iOS 8 Keyboard types not supported
... I am also getting this on an iPhone 6 with the latest Xcode from the App Store.
– Daniel Wood
Sep 25 '14 at 15:28
11
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Change private static final field using Java reflection
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Assuming no SecurityManager is preventing you from doing this, you can use setAccessible to get around private and resetting the modifier to get rid of final, and actually modify a private static final field.
Here's an example:
import java.lang.reflect.*;
public class E...
How come a non-const reference cannot bind to a temporary object?
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From this Visual C++ blog article about rvalue references:
... C++ doesn't want you to accidentally
modify temporaries, but directly
calling a non-const member function on
a modifiable rvalue is explicit, so
it's ...
How to make Twitter Bootstrap menu dropdown on hover rather than click
...y as block when the appropriate li tag is hovered over. Taking the example from the twitter bootstrap page, the selector would be as follows:
ul.nav li.dropdown:hover > ul.dropdown-menu {
display: block;
}
However, if you are using Bootstrap's responsive features, you will not want thi...
Why can't I call read() twice on an open file?
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With Python3, use pathlib. from pathlib import Path; text = Path(filename).read_text() Takes care of open, close, etc.
– PaulMcG
Jun 19 '17 at 12:06
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How to print a number with commas as thousands separators in JavaScript
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I used the idea from Kerry's answer, but simplified it since I was just looking for something simple for my specific purpose. Here is what I did:
function numberWithCommas(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
...
What exactly are “spin-locks”?
...p ("spin") till the other core releases the lock. This prevents the thread from losing its quantum and continue as soon as the lock gets released. The simple mechanism of spinlocks allows a kernel to utilize it in almost any state.
That's why on a single core machine a spinlock is simply a "disable ...