大约有 46,000 项符合查询结果（耗时：0.0684秒） [XML]
How to define @Value as optional
... ways to work around it. It's explained in an understandable way by http://www.michelschudel.nl/wp/2017/01/25/beware-of-multiple-spring-propertyplaceholderconfigurers-and-default-values/
share
|
imp...
What do the terms “CPU bound” and “I/O bound” mean?
...llel CPU matrix multiplication libraries like the following exist:
http://www.netlib.org/scalapack/pblas_qref.html
http://icl.cs.utk.edu/magma/software/
Cache usage makes a big difference to the speed of implementations. See for example this didactic GPU comparison example.
See also:
Why can GPU ...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
...
There is one more excelent tutorial:
http://www.braveclojure.com/basic-emacs/ (1st part)
http://www.braveclojure.com/using-emacs-with-clojure/ (2nd part)
In 30 to 45 minutes one can have everything setup from scratch.
The tutorial does not assumes any prior knowladg...
How to create a listbox in HTML without allowing multiple selection?
... the number of elements you want
you may want to check this site
http://www.htmlcodetutorial.com/forms/_SELECT.html
share
|
improve this answer
|
follow
|
...
NPM/Bower/Composer - differences?
...
Now, what about the READMEs? :-)
https://github.com/bower/bower
https://www.npmjs.org/doc/cli/npm.html
https://getcomposer.org/doc/00-intro.md
[update, four years later]
bower is deprecated, and should not be used anymore for new projects. To a large extent, it has been subsumed into node dep...
PHP “php://input” vs $_POST
...obal $_POST, only is supposed to wrap data that is either
application/x-www-form-urlencoded (standard content type for simple form-posts) or
multipart/form-data (mostly used for file uploads)
This is because these are the only content types that must be supported by user agents. So the server a...
How do I link a JavaScript file to a HTML file?
...er the jquery loading script
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<!--LINK JQUERY-->
<script type="text/javascript" src="jquery-3.3.1.js"></script>
<!--PERSONAL SCRIPT JavaScript-->
<script type="text/javascript">
$(f...
How to view the list of compile errors in IntelliJ?
...ore up to date answer for anyone else who comes across this:
(from https://www.jetbrains.com/help/idea/eclipse.html, §Auto-compilation; click for screenshots)
Compile automatically:
To enable automatic compilation, navigate to Settings/Preferences | Build, Execution, Deployment | Compiler and sele...
How do I make an HTTP request in Swift?
...URLSession. Then run the task with resume().
let url = URL(string: "http://www.stackoverflow.com")!
let task = URLSession.shared.dataTask(with: url) {(data, response, error) in
guard let data = data else { return }
print(String(data: data, encoding: .utf8)!)
}
task.resume()
Using NSURLCon...
Set default value of an integer column SQLite
... "
+ KEY_NOTE + " INTEGER DEFAULT 0);");
This link is useful: http://www.sqlite.org/lang_createtable.html
share
|
improve this answer
|
follow
|
...