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In C++, is it still bad practice to return a vector from a function?
...tors freely (and make sure your own objects support it, too). If your code base needs to support "lesser" compilers, stick to the old style.
Unfortunately, that has major influence on your interfaces. If C++ 0x is not an option, and you need guarantees, you might use instead reference-counted or c...
HTML table headers always visible at top of window when viewing a large table
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Hmm I'm not sure, based on your description. I suggest 1) if possible, show an example online; 2) ask it as a question on StackOverflow.
– Craig McQueen
Aug 20 '11 at 11:21
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JS - get image width and height from the base64 code
I have a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
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How can I scale an image in a CSS sprite
...ground-position -<x*100>% -<y*100>% where x and y are the zero based sprite
In other words if you want the 3rd sprite from the left and 2nd row that's 2 over and 1 down so
background-position: -200% -100%;
For example here's a sprite sheet 4x2 sprites
And here's an example
di...
What is the difference between the kernel space and the user space?
...nerates an interrupt such as int 0x80 or syscall to signal the kernel. x86-64 Linux syscall hello world example:
.data
hello_world:
.ascii "hello world\n"
hello_world_len = . - hello_world
.text
.global _start
_start:
/* write */
mov $1, %rax
mov $1, %rdi
mov $hello_world, %...
Find which version of package is installed with pip
...de.com/project/account)
distribute - 0.6.19 - active
egenix-mx-base - 3.2.3 - active
ipython - 0.12 - active
logilab-astng - 0.23.1 - active
logilab-common - 0.57.1 - active
nose - 1.1.2 - active
pbkdf2 - 1.3 ...
In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...he question. Indeed, only the LongNamedRestaurant model was created in database, Place was not.
A solution is to create an abstract model representing a "Place", eg. AbstractPlace, and inherit from it:
class AbstractPlace(models.Model):
name = models.CharField(max_length=20)
rating = model...
Center a column using Twitter Bootstrap 3
...lass.
You can also use text-center to center text (and inline elements).
Demo: http://bootply.com/91632
EDIT - As mentioned in the comments, center-block works on column contents and display:block elements, but won't work on the column itself (col-* divs) because Bootstrap uses float.
Update ...
HTML table with fixed headers?
...gt;
</div>
This solution works in Chrome and IE. Since it is based on jQuery, this should work in other jQuery supported browsers as well.
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Executing JavaScript without a browser?
...n't come with a shell, but I guess it's really more like an epoll/selector-based callback/event-oriented webserver, so perhaps it doesn't need the full JS feature set, but I'm not too familiar with its inner workings.
Since you seem interested in node.js and since it's based on V8, it might be best...