大约有 46,000 项符合查询结果(耗时:0.0713秒) [XML]
Superscript in markdown (Github flavored)?
... to write O(n^2) sensibly, I would just type O(n<sup>2</sup>), and it would appear as O(n<sup>2</sup>). Nice. Now why didn't that work on SO markdown?
– phonetagger
Apr 2 '15 at 17:19
...
Is there a way to check if int is legal enum in C#?
I've read a few SO posts and it seems most basic operation is missing.
8 Answers
8
...
How can you use an object's property in a double-quoted string?
... # yields "abc.Length"
"$($bar.Length)" # yields "3"
PowerShell only expands variables in those cases, nothing more. To force evaluation of more complex expressions, including indexes, properties or even complete calculations, you have to enclose those in the subexpression operator $( ) which cau...
Check a collection size with JSTL
...r Facelets:
<... xmlns:fn="http://java.sun.com/jsp/jstl/functions">
And use like this in your page:
<p>The length of the companies collection is: ${fn:length(companies)}</p>
So to test with length of a collection:
<c:if test="${fn:length(companies) gt 0}">
</c:if>
A...
Why #egg=foo when pip-installing from git repo
... Aug 6 '12 at 20:31
Skylar SavelandSkylar Saveland
9,46588 gold badges6464 silver badges8888 bronze badges
...
Moving multiple files in TFS Source Control
I'm using Team Foundation Server 2008 (SP 1) and I need to move multiple files from one folder to another (to retain file history). In addition to Team Explorer (with SP 1) I've also got the latest TFS Power Tools (October 2008) installed (for Windows Shell integration).
...
GitHub: Reopening a merged pull request
I've now fixed the bug and want to resubmit the pull request with 1 extra commit. Is there any way to reopen the pull request or update it, or do I have to create a new pull request, type out the description etc again? Gitorious has this feature and we've recently moved to GitHub.
...
Python constructors and __init__
Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class?
...
CSS div element - how to show horizontal scroll bars only?
I have a div container and have defined its style as follows:
10 Answers
10
...
Java - Including variables within strings?
...
I'm not sure if that is attractive enough for you, but it can be quite handy. The syntax is the same as for printf and java.util.Formatter. I've used it much especially if I want to show tabular numeric data.
share
...
