大约有 45,814 项符合查询结果(耗时:0.0509秒) [XML]
Rspec doesn't see my model Class. uninitialized constant error
I'm writing tests on Rspec for my models in Ruby on Rails application.
And I receive this error while starting 'rspec spec'
...
How to remove extension from string (only real extension!)
...
Try this one:
$withoutExt = preg_replace('/\\.[^.\\s]{3,4}$/', '', $filename);
So, this matches a dot followed by three or four characters which are not a dot or a space. The "3 or 4" rule should probably be relaxed, since there are plenty...
How to center a checkbox in a table cell?
The cell contains nothing but a checkbox. It is rather wide because of text in the table header row. How do I center the checkbox (with inline CSS in my HTML? (I know))
...
Clearing localStorage in javascript?
... answered Oct 5 '11 at 21:28
Digital PlaneDigital Plane
32.1k66 gold badges5050 silver badges5858 bronze badges
...
What does the `#` operator mean in Scala?
...
To explain it, we first have to explain nested classes in Scala. Consider this simple example:
class A {
class B
def f(b: B) = println("Got my B!")
}
Now let's try something with it:
scala> val a1 = new A
a1: A = A@2fa8ecf4
...
Which is better in python, del or delattr?
This may be silly, but it's been nagging the back of my brain for a while.
8 Answers
...
Effects of changing Django's SECRET_KEY
I made a mistake and committed my Django project's SECRET_KEY into a public repository.
5 Answers
...
What is the correct way of using C++11's range-based for?
...ents are not just simple integers,
but instances of a more complex class, with custom copy constructor, etc.
// A sample test class, with custom copy semantics.
class X
{
public:
X()
: m_data(0)
{}
X(int data)
: m_data(data)
{}
~X()
{}
X(const X&...
Determining type of an object in ruby
I'll use python as an example of what I'm looking for (you can think of it as pseudocode if you don't know Python):
5 Answe...
Storing sex (gender) in database
I want to store a user's gender in a database with as little (size/performance) cost as possible.
8 Answers
...
