大约有 26,000 项符合查询结果（耗时：0.0474秒） [XML]
How to position a DIV in a specific coordinates?
... and top edge respectively. It must have position: absolute;
var d = document.getElementById('yourDivId');
d.style.position = "absolute";
d.style.left = x_pos+'px';
d.style.top = y_pos+'px';
Or do it as a function so you can attach it to an event like onmousedown
function placeDiv(x_pos, y_pos)...
Java resource as file
...owever, I don't believe there's any way of "listing" the contents of an element of the classpath.
In some cases this may be simply impossible - for instance, a ClassLoader could generate data on the fly, based on what resource name it's asked for. If you look at the ClassLoader API (which is basica...
What scalability problems have you encountered using a NoSQL data store? [closed]
... release, the traceback-logger website wasn't responding anymore. We had some locking issues with the production db of our main site which was throwing exceptions nearly every request, as well as several other bugs, which we haven't explored during the testing stage. The server cluster of our main s...
What is the best way to insert source code examples into a Microsoft Word document?
I have to write some documents that will include source code examples. Some of the examples will be written from the IDE, and others would be written in place. My examples are primarily in Java.
...
How to drop columns by name in a data frame
...her indexing or the subset function. For example :
R> df <- data.frame(x=1:5, y=2:6, z=3:7, u=4:8)
R> df
x y z u
1 1 2 3 4
2 2 3 4 5
3 3 4 5 6
4 4 5 6 7
5 5 6 7 8
Then you can use the which function and the - operator in column indexation :
R> df[ , -which(names(df) %in% c("z","u")...
Why does CSS work with fake elements?
...y class, I was playing around and found out that CSS works with made-up elements.
19 Answers
...
Core pool size vs maximum pool size in ThreadPoolExecutor
...re pool size is
5, max pool size is 10 and the queue is 100.
As requests come in,
threads will be created up to 5 and then tasks will be added to the
queue until it reaches 100. When the queue is full new threads will be
created up to maxPoolSize. Once all the threads are in use and the
queue is ful...
RESTful Login Failure: Return 401 or Custom Response
...hat you looked on is behaving. But a good way of solving this is to have something like an Account object, that you try to GET. If you credentials are correct, you will get the Account object, if you don't want to waste bandwidth just to to a "check" you can do a HEAD on the same resource.
An Accou...
Linq to SQL how to do “where [column] in (list of values)”
...aving to be case-insensitive. As for whether or not it would be, I can't remember whether LINQ to SQL enforces case-sensitivity by default or lets the db settings govern it.
– Jon Skeet
May 31 '17 at 20:36
...
How to create SBT project with IntelliJ Idea?
...te sbt project. Basic features work out of the box using both solutions, some complex builds can have problems, so try other tools to see if it works there.
IntelliJ
IntelliJ IDEA has become so much better these days. The current version (14.0.2) supports sbt projects out of the box with the Scala...