大约有 47,000 项符合查询结果（耗时：0.0948秒） [XML]
Difference between Select Unique and Select Distinct
... database brands other than Oracle, SELECT UNIQUE may not be recognized at all.
share
|
improve this answer
|
follow
|
...
Why isn't vector a STL container?
... avoid vector <bool> as it's not an STL container and it doesn't really hold bool s.
6 Answers
...
What are the rules for JavaScript's automatic semicolon insertion (ASI)?
...
First of all you should know which statements are affected by the automatic semicolon insertion (also known as ASI for brevity):
empty statement
var statement
expression statement
do-while statement
continue statement
break statement...
Switch statement: must default be the last case?
...
The C99 standard is not explicit about this, but taking all facts together, it is perfectly valid.
A case and default label are equivalent to a goto label. See 6.8.1 Labeled statements. Especially interesting is 6.8.1.4, which enables the already mentioned Duff's Device:
Any ...
Why cast an unused function parameter value to void?
...
@Benoit what does casting to void actually do? Is its only function to show the compiler that you're intentionally ignoring something or does (void) actually do something and when the compiler sees it, it'll just count it as having done something with the variabl...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
... selected DOM node.
I guess, for the sake of completeness, dev tools shows all the rules from that set, whether they are applied or not.
In the case where a rule is applied to the currently selected element due to inheritance (i.e. the rule was applied to an ancestor, and the selected element inher...
How to install latest (untagged) state of a repo using bower?
I have a very small repo in which I do all dev work in the master branch and use tags as "stable" points in history.
6 An...
Configuring user and password with Git Bash
...
I cannot use SSH because of internal firewall rules (don't ask...) Is there another way to let git login automatically?
– Jorn
Apr 20 '15 at 9:04
...
How to hide databases that I am not allowed to access
... I connect to my Heroku - Postgresql database via pgAdmin3 , It lists all the tables (about 2600). Every time I open the pgAdmin3 I have to find my own database.
...
What goes into your .gitignore if you're using CocoaPods?
...
Personally I do not check in the Pods directory & contents. I can't say I spent long ages considering the implications but my reasoning is something like:
The Podfile refers to a specific tag or or commit of each dependency so...