大约有 41,760 项符合查询结果（耗时：0.0362秒） [XML]
How can I capitalize the first letter of each word in a string?
...
18 Answers
18
Active
...
How to determine if a record is just created or updated in after_save
The #new_record? function determines if a record has been saved. But it is always false in the after_save hook. Is there a way to determine whether the record is a newly created record or an old one from update?
...
How do you find the current user in a Windows environment?
When running a command-line script, is it possible to get the name of the current user?
13 Answers
...
Clone private git repo with dockerfile
I have copied this code from what seems to be various working dockerfiles around, here is mine:
7 Answers
...
Is there a performance difference between i++ and ++i in C?
Is there a performance difference between i++ and ++i if the resulting value is not used?
14 Answers
...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
I'm trying to figure out how to reference another area of a page with Markdown. I can get it working if I add a
5 Answers
...
Why is no one using make for Java?
Just about every Java project that I've seen either uses Maven or Ant. They are fine tools and I think just about any project can use them. But what ever happened to make ? It's used for a variety of non-Java projects and can easily handle Java. Sure you have to download make.exe if you use Win...
How to debug heap corruption errors?
I am debugging a (native) multi-threaded C++ application under Visual Studio 2008. On seemingly random occasions, I get a "Windows has triggered a break point..." error with a note that this might be due to a corruption in the heap. These errors won't always crash the application right away, altho...
.prop() vs .attr()
So jQuery 1.6 has the new function prop() .
18 Answers
18
...
Defining a variable with or without export
What is export for?
14 Answers
14
...