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“Inspect” a hover element?
...he hover effect when the mouse leave the hover area:
Open the inspector in docked window and increase the width until reach your HTML element, then right click and the popup menu must be over the inspector zone... then when you move the mouse over the inspector view, the hover effect keep activated ...
Why should casting be avoided? [closed]
...I'll start with C. C casts have a number of problems. One is that they can do any of a number of different things. In some cases, the cast does nothing more than tell the compiler (in essence): "shut up, I know what I'm doing" -- i.e., it ensures that even when you do a conversion that could cause p...
Visual Studio move project to a different folder
How do I move a project to a different folder in Visual Studio? I am used to this structure in my projects.
14 Answers
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How do I clone a specific Git branch? [duplicate]
...cking out one. That may, for instance, mean that your repository has a 5kB documentation or wiki branch and 5GB data branch. And whenever you want to edit your frontpage, you may end up cloning 5GB of data.
Again, that is not to say git clone --branch is not the way to accomplish that, it's just th...
How do I auto size a UIScrollView to fit its content
...
UIScrollView doesn't know the height of its content automatically. You must calculate the height and width for yourself
Do it with something like
CGFloat scrollViewHeight = 0.0f;
for (UIView* view in scrollView.subviews)
{
scrollView...
How do I set $PATH such that `ssh user@host command` works?
...n-interactive non-login shells.
I expect the problem you're having has to do with the default Ubuntu ~/.bashrc file. It usually starts with something like this:
# If not running interactively, don't do anything
[ -z "$PS1" ] && return
You want to put anything for non-interactive shells ...
How do I iterate over an NSArray?
...generally-preferred code for 10.5+/iOS.
for (id object in array) {
// do something with object
}
This construct is used to enumerate objects in a collection which conforms to the NSFastEnumeration protocol. This approach has a speed advantage because it stores pointers to several objects (obt...
What does a colon following a C++ constructor name do? [duplicate]
What does the colon operator (":") do in this constructor? Is it equivalent to MyClass(m_classID = -1, m_userdata = 0); ?
...
How do I determine whether an array contains a particular value in Java?
...
Arrays.asList(yourArray).contains(yourValue)
Warning: this doesn't work for arrays of primitives (see the comments).
Since java-8 you can now use Streams.
String[] values = {"AB","BC","CD","AE"};
boolean contains = Arrays.stream(values).anyMatch("s"::equals);
To check whether a...
How do I put two increment statements in a C++ 'for' loop?
...nd returns the second operand. Thus:
for(int i = 0; i != 5; ++i,++j)
do_something(i,j);
But is it really a comma operator?
Now having wrote that, a commenter suggested it was actually some special syntactic sugar in the for statement, and not a comma operator at all. I checked that in GCC a...