大约有 45,000 项符合查询结果（耗时：0.0627秒） [XML]
How to create an empty file at the command line in Windows?
... right of the equal sign" is empty... the result is an empty file.
The difference with cd. > filename (which is mentioned in Patrick Cuff's answer and does also produce a 0-byte-length file) is that this "bit of redirection" (the <nul... trick) can be used to echo lines without any CR:
<...
How do I force a DIV block to extend to the bottom of a page even if it has no content?
... to stretch all the way to the bottom of the page but it's only stretching if there's content to display. The reason I want to do this is so the vertical border still appears down the page even if there isn't any content to display.
...
Using Default Arguments in a Function
...you can do what you want:
function foo($blah, $x = null, $y = null) {
if (null === $x) {
$x = "some value";
}
if (null === $y) {
$y = "some other value";
}
code here!
}
This way, you can make a call like foo('blah', null, 'non-default y value'); and have it ...
Programmatically saving image to Django ImageField
...e os.path.basename bit) and a django.core.files.File object.
Let me know if you have questions or need clarification.
Edit: for the sake of clarity, here is the model (minus any required import statements):
class CachedImage(models.Model):
url = models.CharField(max_length=255, unique=True)
...
ASP.NET MVC Relative Paths
...~/Scripts/jquery-1.2.6.js")%> make the server render the path, whereas, if you used "/Scripts/jquery-1.2.6.js", it would just be served straight up to the client, therefore, reducing one more thing the server has to do? I thought i read somewhere the more you can avoid having the server process,...
jQuery `.is(“:visible”)` not working in Chrome
... or "inline-block" to make it work.
Also note that jQuery has a somewhat different definition of what is visible than many developers:
Elements are considered visible if they consume space in the document.
Visible elements have a width or height that is greater than zero.
In other words, an...
OS X: equivalent of Linux's wget
...ng third-party software is not an option, for this has to run on a lot of different systems which I don't have control on).
...
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
... Although this "brute force" solution works, I think the bottom ones (specifically the automatically adjust insets) should be ranked higher.
– eladleb
Apr 2 '14 at 13:37
...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...and) would measure as having elapsed between the start of the process and 'now'.
The user-cpu time and system-cpu time are pretty much as you said - the amount of time spent in user code and the amount of time spent in kernel code.
The units are seconds (and subseconds, which might be microseconds...
Case-insensitive string comparison in C++ [closed]
...
std::string str1 = "hello, world!";
std::string str2 = "HELLO, WORLD!";
if (boost::iequals(str1, str2))
{
// Strings are identical
}
share
|
improve this answer
|
fol...