大约有 32,294 项符合查询结果（耗时：0.0362秒） [XML]
How to check if a user is logged in (how to properly use user.is_authenticated)?
... # do something if the user is authenticated
As Peter Rowell pointed out, what may be tripping you up is that in the default Django template language, you don't tack on parenthesis to call functions. So you may have seen something like this in template code:
{% if user.is_authenticated %}
However,...
How can I keep my branch up to date with master with git?
...ve a bug fix in my master, and I also want my branch to get that bug fix. What git command do I use?
4 Answers
...
How to make a great R reproducible example
...E)
Producing minimal code
This should be the easy part but often isn't. What you should not do, is:
add all kind of data conversions. Make sure the provided data is already in the correct format (unless that is the problem of course)
copy-paste a whole function/chunk of code that gives an error...
Is it possible to have multiple statements in a python lambda expression?
...her than sorting in-place, and can be chained. Note that this is probably what you should be using - it's bad practice for your map to have side effects on the original list.
Q. How should I get the second lowest item from each list in a sequence of lists?
A. sorted(l)[1] is not actually the best...
How to add a changed file to an older (not last) commit in Git
...
What if you have unstaged changes which you want to add to the edit? If I stash them, I couldn't git add.
– Sam
Jun 5 '13 at 1:35
...
How to use Boost in Visual Studio 2010
What is a good step by step explanation on how to use the Boost library in an empty project in Visual Studio?
13 Answers
...
How to do paging in AngularJS?
...k out UI Bootstrap's pagination directive. I ended up using it rather than what is posted here as it has enough features for my current use and has a thorough test spec to accompany it.
View
<!-- table here -->
<pagination
ng-model="currentPage"
total-items="todos.length"
max-size...
wait() or sleep() function in jquery?
...s it's part of the animation system, and only applies to animation queues.
What if you want to wait before executing something outside of animation??
Use this:
window.setTimeout(function(){
// do whatever you want to do
}, 600);
What happens?: In this scenari...
Find maximum value of a column and return the corresponding row values using Pandas
...
Thank you. That was exactly what I was looking for.
– richie
Apr 1 '13 at 11:03
...
Is it good practice to make the constructor throw an exception? [duplicate]
...("ahhg",e);
}
}
At the point when I'm constructing SomeObject I know what it's parameters are
so why should I be expected to wrap it in a try catch?
Ahh you say but if I'm constructing an object from dynamic parameters I don't know if they're valid or not.
Well, you could... validate the param...