大约有 32,293 项符合查询结果（耗时：0.0446秒） [XML]
What is @ModelAttribute in Spring MVC?
What is the purpose and usage of @ModelAttribute in Spring MVC?
13 Answers
13
...
How do you effectively model inheritance in a database?
What are the best practices for modeling inheritance in databases?
9 Answers
9
...
How can I ensure that a division of integers is always rounded up?
...ngineering principles in doing so.
Start by reading the specification for what you're trying to replace. The specification for integer division clearly states:
The division rounds the result towards zero
The result is zero or positive when the two operands have the same sign and zero or negative ...
What is the difference between and ?
What is the difference between <html lang="en"> and <html lang="en-US"> ? What other values can follow the dash?
...
What does $$ mean in the shell?
...e sense that it will never be reused (indeed, PIDs are reused constantly). What it does give you is a number such that, if another person runs your script, they will get a different identifier whilst yours is still running. Once yours dies, the PID may be recycled and someone else might run your scr...
What modern C++ libraries should be in my toolbox? [closed]
...r about 10 years and I want to get back in and start on a commercial app. What libraries are in use these days?
7 Answers
...
What is “:-!!” in C code?
...can be evaluated to be 0, and if not, to fail the build.
The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.)
You should read the expression like this:
sizeof(st...
Fluent Validation vs. Data Annotations [closed]
What are the operative differences between these two validation packages when used for ASP.NET MVC validatation? They seem to have similar objects, all the way to their object names. Is one related to another? What are their differences? In what way do these differences denote different use cases?
...
what is the difference between sendStickyBroadcast and sendBroadcast in Android
What is the difference between sendStickyBroadcast and sendBroadcast in Android?
3 Answers
...
What to gitignore from the .idea folder?
I started using WebStorm for web development and am not sure what to add and what to exclude from our Git repository. Clearly some files inside the .idea folder are meant to be version controlled like the external library settings ( jsLibraryMappings.xml ) but others will probably change very ofte...