大约有 40,900 项符合查询结果（耗时：0.0494秒） [XML]
When is assembly faster than C?
...actually be used to generate more performant code are both extremely rare and require expert knowledge of and experience with assembly.
...
What is the difference between active and passive FTP?
Can someone tell me what is the difference between active and passive FTP?
Which one is preferable?
5 Answers
...
How to Deal with Temporary NSManagedObject instances?
I need to create NSManagedObject instances, do some stuff with them and then trash them or store to sqlite db. The problem is, I cannot create instances of NSManagedObject unconnected to NSManagedObjectContext and this means I have to clear up somehow after I decide that I don't need some of ...
Is there any way to change input type=“date” format?
...ange the format
We have to differentiate between the over the wire format and the browser's presentation format.
Wire format
The HTML5 date input specification refers to the RFC 3339 specification, which specifies a full-date format equal to: yyyy-mm-dd. See section 5.6 of the RFC 3339 specificat...
INNER JOIN vs LEFT JOIN performance in SQL Server
I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
What is the difference between NULL, '\0' and 0?
...e appear to be differences between various values of zero -- NULL , NUL and 0 .
11 Answers
...
What do people think of the fossil DVCS? [closed]
fossil http://www.fossil-scm.org
I found this recently and have started using it for my home projects. I want to hear what other people think of this VCS.
...
Boolean operators && and ||
According to the R language definition , the difference between & and && (correspondingly | and || ) is that the former is vectorized while the latter is not.
...
How can I safely create a nested directory?
...ant way to check if the directory a file is going to be written to exists, and if not, create the directory using Python? Here is what I tried:
...
Importing a GitHub project into Eclipse
...
As mentioned in Alain Beauvois's answer, and now (Q4 2013) better explained in
Eclipse for GitHub
EGit 3.x manual (section "Starting from existing Git Repositories")
Eclipse with GitHub
EGit tutorial
Copy the URL from GitHub and select in Eclipse from the me...