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Why is '+' not understood by Python sets?
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Python sets don't have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new...
Android: Want to set custom fonts for whole application not runtime
... So it's been a while, and I'd like to add what I think is the best way to do this, and through XML no less!
So first, you're going to want to make a new class that overrides whatever View you want to customize. (e.g. want a Button with a custom typeface? Extend Button). Let's make an example:
pub...
Deleting lines from one file which are in another file
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grep -v -x -f f2 f1 should do the trick.
Explanation:
-v to select non-matching lines
-x to match whole lines only
-f f2 to get patterns from f2
One can instead use grep -F or fgrep to match fixed strings from f2 rather than patterns (in case you ...
Are nested HTML comments possible?
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Does this mean the inner comment is no longer a proper comment?
– S.Lott
Jan 14 '09 at 12:58
10
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Vagrant error : Failed to mount folders in Linux guest
...bguest
Output:
$ vagrant reload
==> default: Attempting graceful shutdown of VM...
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==> default: Machine booted and ready!
GuestAdditions 4.3.12 running --- OK.
==> default: Checking for guest additions in VM...
==> default: Configuring and enabling network interfaces...
==> def...
In git, is there a simple way of introducing an unrelated branch to a repository?
...y totally
disconnected from all the other
branches and commits.
This doesn't do exactly what the asker wanted, because it populates the index and the working tree from <start_point> (since this is, after all, a checkout command). The only other action necessary is to remove any unwanted ...
Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
I have been using Putty on Windows XP and used the .ppk file to connect to my Linux servers (several servers).
3 Answers
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Mysql: Select rows from a table that are not in another
How to select all rows in one table that do not appear on another?
8 Answers
8
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How to handle checkboxes in ASP.NET MVC forms?
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Html.CheckBox is doing something weird - if you view source on the resulting page, you'll see there's an <input type="hidden" /> being generated alongside each checkbox, which explains the "true false" values you're seeing for each form...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
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JSF to plain JSP/Servlet/HTML/CSS/JS is like as jQuery to plain JS: do more with less code. To take PrimeFaces (jQuery + jQuery UI based) as an example, browse through its showcase to see complete code examples. BootsFaces (jQuery + Bootstrap UI based) has also a showcase with complete code e...