大约有 15,000 项符合查询结果（耗时：0.0363秒） [XML]
Truly understanding the difference between procedural and functional
...e another. There are languages that fully embrace both styles (LISP, for example). The following scenario may give a sense of some differences in the two styles. Let's write some code for a nonsense requirement where we want to determine if all of the words in a list have an odd number of charact...
How can I provide multiple conditions for data trigger in WPF?
...
Use MultiDataTrigger type
<Style TargetType="ListBoxItem">
<Style.Triggers>
<DataTrigger Binding="{Binding Path=State}" Value="WA">
<Setter Property="Foreground" Value="Red" />
</DataTrigger>
<MultiDataTrigger>...
Using Java 8's Optional with Stream::flatMap
...aving to use a ternary operator (? :) or an if/else statement.
My inline example would be rewritten this way:
Optional<Other> result =
things.stream()
.map(this::resolve)
.flatMap(o -> o.map(Stream::of).orElseGet(Stream::empty))
.findFirst();
An my exam...
How does the Java 'for each' loop work?
...
for (Iterator<String> i = someIterable.iterator(); i.hasNext();) {
String item = i.next();
System.out.println(item);
}
Note that if you need to use i.remove(); in your loop, or access the actual iterator in some way, you cannot use the for ( : ) idiom, since the actual ite...
Copy file(s) from one project to another using post build event…VS2010
...
xcopy "$(ProjectDir)Views\Home\Index.cshtml" "$(SolutionDir)MEFMVCPOC\Views\Home"
and if you want to copy entire folders:
xcopy /E /Y "$(ProjectDir)Views" "$(SolutionDir)MEFMVCPOC\Views"
Update: here's the working vers...
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
...
1
2
Next
85
...
Changing UIButton text
So I'm trying to update the text on a UIButton when I click it. I'm using the following line to change the text:
7 Answers
...
How Can I Browse/View The Values Stored in Redis [closed]
Are there any good browsers/explorer for viewing Redis out there ?
Am new to Redis so my expectation is if there is something similar to MongoVUE,Toad or SQLExplorer.
...
Can you explain the concept of streams?
...hat you can wrap streams, and your methods will still work perfectly. For example, you could do this:
int ReadInt(StreamReader reader) { return Int32.Parse(reader.ReadLine()); }
// in another method:
Stream fileStream = new FileStream("My Data.dat");
Stream zipStream = new ZipDecompressorStream(fi...
Why use symbols as hash keys in Ruby?
...
Fyi, Symbols will be GCd in the next version of Ruby: bugs.ruby-lang.org/issues/9634
– Ajedi32
Sep 30 '14 at 14:46
2
...