大约有 47,400 项符合查询结果（耗时：0.0901秒） [XML]
Default behavior of “git push” without a branch specified
I use the following command to push to my remote branch:
12 Answers
12
...
The best way to remove duplicate values from NSMutableArray in Objective-C?
...wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code:
NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray];
NSArray *arrayWithoutDuplicates = [orderedSet array];
If you are worried ab...
How do I seed a random class to avoid getting duplicate random values [duplicate]
...
You should not create a new Random instance in a loop. Try something like:
var rnd = new Random();
for(int i = 0; i < 100; ++i)
Console.WriteLine(rnd.Next(1, 100));
The sequence of random numbers generated by a single Random instance is suppose...
Send email using java
...very well with Google SMTP server. You need to supply your Google username and password.
import com.sun.mail.smtp.SMTPTransport;
import java.security.Security;
import java.util.Date;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Sess...
What's the difference between session.Merge and session.SaveOrUpdate?
...
if the object is versioned (by a <version> or <timestamp>), and the
version property value is the same value assigned to a newly
instantiated object, save() it
otherwise update() the object
and merge() is very different:
if there is a persistent instance with t...
Frame Buster Buster … buster code needed
...create a div element that covers the whole page (modal box) with a message and a link like...
You are viewing this page in a unauthorized frame window - (Blah blah... potential security issue)
click this link to fix this problem
Not the best, but I don't see any way they could script their way out...
How to select lines between two marker patterns which may occur multiple times with awk/sed
... if flag is equal 1 the line is printed.
For a more detailed description and examples, together with cases when the patterns are either shown or not, see How to select lines between two patterns?.
share
|
...
What does new self(); mean in PHP?
...ends MyParentClass {
}
$a = MyChildClass::getInstance();
var_dump($a);
And you'd get this kind of output :
object(MyParentClass)#1 (0) { }
Which means self means MyParentClass -- i.e. here too, the class in which it is written.
With PHP < 5.3, that "the class in which it is written" ...
Is std::vector copying the objects with a push_back?
...
Yes, std::vector<T>::push_back() creates a copy of the argument and stores it in the vector. If you want to store pointers to objects in your vector, create a std::vector<whatever*> instead of std::vector<whatever>.
However, you need to make sure that the objects referenced...
Change the name of the :id parameter in Routing resources for Rails
I looked around on how to change the dynamic params slot and found this post that does the exact thing.
The post is https://thoughtbot.com/blog/rails-patch-change-the-name-of-the-id-parameter-in
...