大约有 15,467 项符合查询结果（耗时：0.0334秒） [XML]
How do I use a PriorityQueue?
...ounded.
Here's an example of a priority queue sorting by string length:
// Test.java
import java.util.Comparator;
import java.util.PriorityQueue;
public class Test {
public static void main(String[] args) {
Comparator<String> comparator = new StringLengthComparator();
Prio...
How to count TRUE values in a logical vector
...ome context on the "which is faster question", it's always easiest just to test yourself. I made the vector much larger for comparison:
z <- sample(c(TRUE,FALSE),1000000,rep=TRUE)
system.time(sum(z))
user system elapsed
0.03 0.00 0.03
system.time(length(z[z==TRUE]))
user syste...
Is it possible to use 'else' in a list comprehension? [duplicate]
...try out the below snippet. This would resolve your problem, the snippet is tested on python 2.7 and python 3.5.
obj = ["Even" if i%2==0 else "Odd" for i in range(10)]
share
|
improve this answer
...
java.lang.NoClassDefFoundError: Could not initialize class XXX
...tion, this is how I solved the problem:
Preconditions:
Junit class (and test), that extended another class.
ApplicationContext initialized using spring, that init the project.
The Application context was initialized in @Before method
Solution:
Init the application context from @BeforeClass met...
How do I auto-hide placeholder text upon focus using css or jquery?
... $(this).attr('placeholder', $(this).data('holder'));
});
});
Test: http://jsfiddle.net/mPLFf/4/
-EDIT-
Actually, since placeholder should be used to describe the value, not the name of the input. I suggest the following alternative
html:
<label class="overlabel">
<spa...
Trusting all certificates using HttpClient over HTTPS
...s looking for HttpURLConnection solution.
Https Connection Android
I have tested the above two kinds of solutions on froyo, and they all work like a charm in my cases. Finally, using HttpURLConnection may face the redirect problems, but this is beyond the topic.
Note: Before you decide to trust al...
How to simulate a mouse click using JavaScript?
...
for (var name in eventMatchers)
{
if (eventMatchers[name].test(eventName)) { eventType = name; break; }
}
if (!eventType)
throw new SyntaxError('Only HTMLEvents and MouseEvents interfaces are supported');
if (document.createEvent)
{
oEvent = documen...
Capturing multiple line output into a Bash variable
...out, stderr are 0-2, so we can use &3 or higher in bash).
result=""
./test>/tmp/foo
while read line <&3; do
result="$result$line\n"
done 3</tmp/foo
echo -e $result
you can also use mktemp, but this is just a quick code example. Usage for mktemp looks like:
filenamevar=`mkte...
How to “git show” a merge commit with combined diff output even when every changed file agrees with
... <email@email>
Date: Tue Feb 22 00:27:17 2011 +0100
Merge branch 'testing' into master
notice the line:
Merge: fc17405 ee2de56
take those two commit ids and reverse them. so in order get the diff that you want, you would do:
git diff ee2de56..fc17405
to show just the names of the ch...
Installing a local module using npm?
...his is handy for installing your own stuff, so that you can work on it and test it iteratively without having to continually rebuild.
cd ~/projects/node-bloggy # go into the dir of your main project
npm link ../node-redis # link the dir of your dependency
[Edit] As of NPM 2.0, you can decla...