大约有 40,000 项符合查询结果(耗时:0.0732秒) [XML]
UITableViewCell with UITextView height in iOS 7?
...
First of all, it is very important to note, that there is a big difference between UITextView and UILabel when it comes to how text is rendered. Not only does UITextView have insets on all borders, but also the text layout inside it i...
How to get RGB values from UIColor?
...rView.backgroundColor;//line 2
CGColorRef colorRef = [color CGColor];
int _countComponents = CGColorGetNumberOfComponents(colorRef);
if (_countComponents == 4) {
const CGFloat *_components = CGColorGetComponents(colorRef);
CGFloat red = _components[0];
CGFloat green = _components[1...
Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
I just installed and re-installed IntelliJ. Every Java file is coming up RED. I checked the JDK; it is at 1.6.##. The maven clean install build worked just fine.
...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...
What about this timeout problem? Do we have really to set it to a very large number to avoid it? Isn't there now any more elegant solution?
– Mohammed Noureldin
Jan 4 '18 at 23:48
...
What is WEB-INF used for in a Java EE web application?
... within the application hierarchy named
WEB-INF. This directory contains all things related to the
application that aren’t in the document root of the application. The
WEB-INF node is not part of the public document tree of the
application. No file contained in the WEB-INF directory may be...
Mercurial .hgignore for Visual Studio 2010 projects
...ut an entry that's already there.. Feel free to edit the list and yes I totally agree, it should be added
– Shady M. Najib
Apr 14 '11 at 12:07
2
...
MongoDb query condition on comparing 2 fields
...project and $match to implement field level redaction where it will return all documents matching the condition using $$KEEP and removes from the pipeline results those that don't match using the $$PRUNE variable.
Running the following aggregate operation filter the documents more efficiently tha...
When is it better to use String.Format vs string concatenation?
...t at all - and this concatenation version doesn't need to parse the format string.
Format strings are great for purposes of localisation etc, but in a case like this concatenation is simpler and works just as well.
With C# 6
String interpolation makes a lot of things simpler to read in C# 6. In t...
SQL Server: SELECT only the rows with MAX(DATE)
... HAVING t1.DateEntered = MAX(t2.DateEntered))
This is the fastest of all the queries supplied above. The query cost came in at 0.0070668.
The preferred answer above, by Mikael Eriksson, has a query cost of 0.0146625
You may not care about the performance for such a small sample, but in large...
Static variables in member functions
...ere will be a static int i (say foo<int>::i) and separate for foo<string> there will be a separate static int i (say foo<string>::i) and so on. i will be incremented separately for foo<int> than from the foo<string>. Hope that clears the doubt.
– i...
