大约有 42,000 项符合查询结果（耗时：0.0867秒） [XML]
Passing two command parameters using a WPF binding
I have a command which I am executing from my XAML file using the following standard syntax:
5 Answers
...
Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
... see that it calls CombineNoChecks, which then calls IsPathRooted on path2 and returns that path if so:
public static String Combine(String path1, String path2) {
if (path1==null || path2==null)
throw new ArgumentNullException((path1==null) ? "path1" : "path2");
Contract.EndContract...
Check free disk space for current partition in bash
... am writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition ...
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...
git replace local version with remote version
How can I tell git to ignore my local file and take the one from my remote branch without trying to merge and causing conflicts?
...
How to add facebook share button on my website?
... See the sharrre.com jquery plugin, it makes it easy to customize the look and bundle several social "like" buttons into one.
– pixeline
Oct 12 '13 at 10:24
3
...
Group By Multiple Columns
...
@HoGo anonymous typed objects implement their own Equals and GetHashCode methods which is used when grouping the objects.
– Byron Carasco
Sep 7 '17 at 18:57
...
How to express a NOT IN query with ActiveRecord/Rails?
...e come to this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci.
15 Answers
...
LINQ: “contains” and a Lambda query
...e. I keep wondering why on Earth Linq doesn't provide a Contains() method, and then I realize it's supposed to be Any() instead. +1
– Nolonar
Aug 18 '15 at 11:39
add a comment...
How to enable/disable bluetooth programmatically in android
...
Android BluetoothAdapter docs say it has been available since API Level 5. API Level 5 is Android 2.0.
You can try using a backport of the Bluetooth API (have not tried it personally): http://code.google.com/p/backport-andro...