大约有 43,000 项符合查询结果（耗时：0.0678秒） [XML]
What is sr-only in Bootstrap 3?
...span></a></b></li>
</ul>
You see which one is selected (sr-only part is hidden):
Default
Static top
Fixed top
You hear which one is selected if you use screen reader:
Default
Static top
Fixed top (current)
As a result of this technique blind people supposed to na...
Where do I find the line number in the Xcode editor?
... preference by clicking on xcode on left hand side uper corner.
2) then select Text Editing
3) then select Show: Line numbers and click on check box for enable it.
4) close it.
5) you will see the line number in xcode.
...
How to get values from IGrouping
I have a question about IGrouping and the Select() method.
4 Answers
4
...
Get “Value” property in IGrouping
...
For any selected group,you could call
var selectedGroupValues=selectedGroup.SelectMany(x=>x);
share
|
improve this answer
...
Returning IEnumerable vs. IQueryable
...mers = custs.Where(c => c.IsGold);
That code will execute SQL to only select gold customers. The following code, on the other hand, will execute the original query in the database, then filtering out the non-gold customers in the memory:
IEnumerable<Customer> custs = ...;
// Later on...
...
Name of this month (Date.today.month as name)
...
HTML Select month with I18n:
<select>
<option value="">Choose month</option>
<%= 1.upto(12).each do |month| %>
<option value="<%= month %>"><%= I18n.t("date.month_names")[month] %&g...
How to use conditional breakpoint in Eclipse?
...t editor margin or in the Breakpoints
view in the Debug perspective, and select the breakpoint’s properties.
In the dialog box, check Enable Condition, and enter an arbitrary Java
condition, such as list.size()==0. Now, each time the breakpoint is
reached, the expression is evaluated in th...
Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
... On all modern implementations, anything beyond int pow(int base, unsigned char exponent) is somewhat useless anyway. Either the base is 0, or 1, and the exponent doesn't matter, it's -1, in which case only the last bit of exponent matters, or base >1 || base< -1 in which case exponent<256 ...
How do I perform the SQL Join equivalent in MongoDB?
...background as well, I would appreciate MongoDB taking a 'result set' (with selected returned fields) as input for a new query in one go, much like nested queries in SQL
– Stijn Sanders
Nov 26 '10 at 23:17
...
How do I interactively unstage a particular hunk in git?
...
@Nawaz: That's correct - git add -p filename selectively stages changes from that file, and git reset -p filename selectively unstages changes. There's also git checkout -p -- filename, which lets you selectively discard changes from a file. Warning: each of add and res...