大约有 35,488 项符合查询结果(耗时:0.0430秒) [XML]
Ruby on Rails: Where to define global constants?
...
answered Nov 5 '10 at 23:27
Holger JustHolger Just
43.4k1414 gold badges9393 silver badges108108 bronze badges
...
Using success/error/finally/catch with Promises in AngularJS
...
103
Promises are an abstraction over statements that allow us to express ourselves synchronously wi...
How do I time a method's execution in Java?
...
40 Answers
40
Active
...
What is copy-on-write?
...tenance of instant snapshot on database servers like Microsoft SQL Server 2005. Instant snapshots preserve a static view of a database by storing a pre-modification copy of data when underlaying data are updated. Instant snapshots are used for testing uses or moment-dependent reports and should not ...
ViewModel Best Practices
... |
edited Oct 4 '13 at 20:07
DOK
30.8k77 gold badges5757 silver badges9090 bronze badges
answered Mar ...
Is returning null bad design? [closed]
...
206
The rationale behind not returning null is that you do not have to check for it and hence your ...
How does a PreparedStatement avoid or prevent SQL injection?
...
10 Answers
10
Active
...
What is the difference between a directory and a folder?
...
|
edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 22 '11 at 13:33
...
Split column at delimiter in data frame [duplicate]
...
105
@Taesung Shin is right, but then just some more magic to make it into a data.frame.
I added a "...
Changing the selected option of an HTML Select element
...n').onclick = function() {
var opts = sel.options;
for (var opt, j = 0; opt = opts[j]; j++) {
if (opt.value == val) {
sel.selectedIndex = j;
break;
}
}
}
<select id="sel">
<option>Cat</option>
<option>Dog</option>
<op...
