大约有 44,000 项符合查询结果（耗时：0.0776秒） [XML]
cscope or ctags why choose one over the other? [closed]
I primarily use vim / gvim as an editor and am looking at using a combination of lxr (the Linux Cross Reference) and either cscope or ctags for exploring the kernel source. However, I haven't ever used either cscope or ctags and would like to hear why one might choose one over the other t...
Get the time difference between two datetimes
I know I can do anything and some more envolving Dates with momentjs. But embarrassingly, I'm having a hard time trying to do something that seems simple: geting the difference between 2 times.
...
How to change a nullable column to not nullable in a Rails migration?
I created a date column in a previous migration and set it to be nullable. Now I want to change it to be not nullable. How do I go about doing this assuming there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
...
Convert php array to Javascript
...
agreed: if you're using and old PHP, you'll need to write your own. However, you should also consider upgrading your PHP if at all possible!
– Spudley
Apr 11 '11 at 9:25
...
What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be imported.
...
How to find third or nth maximum salary from salary table?
...FKYS_INS_ID from cmn_pat_x_insurance ins where ins.FKYS_PAT_ID='1253_717' and ins.FKYS_INS_TYPE in(1) and ins.BOL_TYPE in(1,3) and ins.salary in (min(ins.salary))
– saidesh kilaru
Dec 11 '13 at 5:32
...
How does type Dynamic work and how to use it?
...se one of these methods it is enough to write a class that extends Dynamic and to implement the methods there:
class DynImpl extends Dynamic {
// method implementations here
}
Furthermore one need to add a
import scala.language.dynamics
or set the compiler option -language:dynamics because t...
How to use @Nullable and @Nonnull annotations more effectively?
I can see that @Nullable and @Nonnull annotations could be helpful in preventing NullPointerException s but they do not propagate very far.
...
Mapping a function on the values of a map in Clojure
...
I like this version because it's super short and obvious if you understand all the functions and such it uses. And if you don't it's an excuse to learn them!
– Runevault
Nov 5 '09 at 3:14
...
fetch in git doesn't get all branches
...ated a new branch, which I'd like to start working on. I read the manual, and it seems dead straight easy. Strangely it's not working, and all the posts I've found suggest I'm doing the right thing. So I'll subject myself to the lambasting, because there must be something obviously wrong with t...