大约有 42,000 项符合查询结果(耗时:0.0340秒) [XML]
Thread vs ThreadPool
What is the difference between using a new thread and using a thread from the thread pool? What performance benefits are there and why should I consider using a thread from the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
...
What is a Python egg?
I'm new to Python and am just trying to understand how its packages work. Presumably "eggs" are some sort of packaging mechanism, but what would be a quick overview of what role they play and may be some information on why they're useful and how to create them?
...
How to print (using cout) a number in binary form?
I'm following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1).
...
Storing Images in DB - Yea or Nay?
So I'm using an app that stores images heavily in the DB. What's your outlook on this? I'm more of a type to store the location in the filesystem, than store it directly in the DB.
...
Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
I have three stored procedures Sp1 , Sp2 and Sp3 .
12 Answers
12
...
Why does Stream not implement Iterable?
In Java 8 we have the class Stream<T> , which curiously have a method
9 Answers
...
How do I force Postgres to use a particular index?
How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan?
6 Answers
...
Get the first item from an iterable that matches a condition
I would like to get the first item from a list matching a condition. It's important that the resulting method not process the entire list, which could be quite large. For example, the following function is adequate:
...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
What are the proper uses of:
9 Answers
9
...
Random record from MongoDB
I am looking to get a random record from a huge (100 million record) mongodb .
26 Answers
...
