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How to combine class and ID in CSS selector?
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There's nothing wrong with combining an id and a class on one element, but you shouldn't need to identify it by both for one rule. If you really want to you can do:
#content.sectionA{some rules}
You don't need the div in front of the ID as others have suggested.
In general, CSS ...
How to add an image to a JPanel?
...dle exception...
}
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
g.drawImage(image, 0, 0, this); // see javadoc for more info on the parameters
}
}
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How to visualize an XML schema? [closed]
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nice one, runs even with latest Mono-MDK (4.0) on OSX. Exactly what I was looking for
– Erich Eichinger
Jul 22 '15 at 10:05
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Navigation bar show/hide
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This isn't something that can fit into a few lines of code, but this is one approach that might work for you.
To hide the navigation bar:
[[self navigationController] setNavigationBarHidden:YES animated:YES];
To show it:
[[self navigationController] setNavigationBarHidden:NO animated:YES];
Docu...
Precision String Format Specifier In Swift
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This is unnecessarily complicated. realityone's answer works and is much more concise.
– Steven Marlowe
Dec 20 '14 at 5:41
9
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SQL Server query to find all permissions/access for all users in a database
... This report would be used for security auditing purposes. Not sure if anyone has a query that will fit my needs completely, but hopefully something that will give me a good start. Either sql 2008, 2005 or 2000 will do, I can probably convert as needed.
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IllegalArgumentException or NullPointerException for a null parameter? [closed]
...ppropriate. Is there some kind of an understood standard? Or is this just one of those things that you should do whatever you prefer and both are really correct?
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Can JavaScript connect with MySQL?
...library to control the HTML structure (DOM), and then new, more high-level ones as Knockout.js that allow us to create observers that connect different DOM elements updating them when events occur. There is also Angular.js by Google that works in a similar way, but seems to be a complete environment...
Check if current directory is a Git repository
...ld either wrap that in a function or use it in a script.
Condensed into a one line condition suitable for bash and zsh
[ -d .git ] && echo .git || git rev-parse --git-dir > /dev/null 2>&1
share
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Multiple commands in an alias for bash
...ately, but your example looks like the second command depends on the first one being exiting successfully. You may want to try a short-circuit evaluation in your alias:
alias lock='gnome-screensaver && gnome-screensaver-command --lock'
Now the second command will not even be attempted ...