大约有 40,000 项符合查询结果（耗时：0.0433秒） [XML]
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
I had an interesting job interview experience a while back. The question started really easy:
47 Answers
...
Good Hash Function for Strings
I'm trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one?
...
Configuring Log4j Loggers Programmatically
... adding your own. You need log4j in the classpath of course for this to work.
Remark:
You can take any Logger.getLogger(...) you like to add appenders. I just took the root logger because it is at the bottom of all things and will handle everything that is passed through other appenders in other ca...
How do I interactively unstage a particular hunk in git?
In git, if I have a couple of hunks from the same file staged in my index, how can I interactively unstage one of them?
3 A...
What does iterator->second mean?
...
I'm sure you know that a std::vector<X> stores a whole bunch of X objects, right? But if you have a std::map<X, Y>, what it actually stores is a whole bunch of std::pair<const X, Y>s. That's exactly what a map is - it pa...
What is the “continue” keyword and how does it work in Java?
I saw this keyword for the first time and I was wondering if someone could explain to me what it does.
13 Answers
...
Hash String via SHA-256 in Java
By looking around here as well as the internet in general, I have found Bouncy Castle . I want to use Bouncy Castle (or some other freely available utility) to generate a SHA-256 Hash of a String in Java. Looking at their documentation I can't seem to find any good examples of what I want to do. Ca...
How do you perform a CROSS JOIN with LINQ to SQL?
... select new
{
p.Name,
c.Make,
c.Model,
c.Colour
};
share
|
improve this answer
|
...
What are the Ruby File.open modes and options?
Ruby's File.open takes modes and options as arguments. Where do I find a complete list of modes and options?
2 Answers
...
MongoDB not equal to
I'm trying to display a query in MongoDB where a text field is not '' (blank)
6 Answers
...