大约有 45,000 项符合查询结果（耗时：0.0701秒） [XML]
Why doesn't django's model.save() call full_clean()?
...matic" validation option which is both simple enough to actually be useful and robust enough to handle all the edge cases is -- if it's even possible -- far more than can be accomplished on the 1.2 timeframe. Hence, for now, Django doesn't have any such thing, and won't have it in 1.2. If you think ...
What is “above-the-fold content” in Google Pagespeed?
...on't need to scroll to see. Obviously, this varies depending on the device and its orientation, so you may need to generalize and maybe find some workable common options, maybe one targeting smartphones, one for tablets, and one for larger desktops.
As for what CSS they are talking about, they are ...
What does the question mark in Java generics' type parameter mean?
...eloping in Java for about 4 years, but have never had a very strong understanding of what this style of code is supposed to indicate.
...
How to make pipes work with Runtime.exec()?
...
Write a script, and execute the script instead of separate commands.
Pipe is a part of the shell, so you can also do something like this:
String[] cmd = {
"/bin/sh",
"-c",
"ls /etc | grep release"
};
Process p = Runtime.getRuntime().exec(...
Scala constructor overload?
...ary Constructors in Scala must either call the primary constructor (as in landon9720's) answer, or another auxiliary constructor from the same class, as their first action. They cannot simply call the superclass's constructor explicitly or implicitly as they can in Java. This ensures that the primar...
How do you push just a single Git branch (and no other branches)?
I am working on a local git repository. There are two branches, master and feature_x .
4 Answers
...
Java Regex Capturing Groups
I am trying to understand this code block. In the first one, what is it we are looking for in the expression?
4 Answers
...
Android, How can I Convert String to Date?
...
Exactly - it's better to apply some standard form to the date string before storing it in the database. In this case en.wikipedia.org/wiki/ISO_8601
– denis.solonenko
Dec 20 '11 at 9:35
...
What is the difference between hg forget and hg remove?
...
'hg forget' is just shorthand for 'hg remove -Af'. From the 'hg remove' help:
...and -Af can be used to remove files
from the next revision without
deleting them from the working
directory.
Bottom line: 'remove' deletes the file from your...
How do you make lettered lists using markdown?
...
It doesn't appear that standard Markdown has this capability. You can:
Use CSS, by putting this somewhere in your markdown document (note, this will effect all ordered lists in the document)
<style type="text/css">
ol { list-style-type: u...