大约有 16,000 项符合查询结果（耗时：0.0234秒） [XML]
Evaluate empty or null JSTL c tags
...
Here's an example of how to validate a int and a String that you pass from the Java Controller to the JSP file.
MainController.java:
@RequestMapping(value="/ImportJavaToJSP")
public ModelAndView getImportJavaToJSP() {
ModelAndView model2= new ModelAndView("...
Detect if value is number in MySQL
...HERE col1 NOT REGEXP..., and for the case where you might have a decimal point, use regex: ^[0-9\.]+$
– Robbie Averill
Dec 3 '13 at 23:44
2
...
A Java API to generate Java source files [closed]
...Model();
JDefinedClass dc = cm._class("foo.Bar");
JMethod m = dc.method(0, int.class, "foo");
m.body()._return(JExpr.lit(5));
File file = new File("./target/classes");
file.mkdirs();
cm.build(file);
I can get this output:
package foo;
public class Bar {
int foo() {
return 5;
}
}...
How do I install ASP.NET MVC 5 in Visual Studio 2012?
...nk I just ran into this issue. Is it possible to get VS2012 to recognize a converted project as a Web Api project again?
– Enrico
Feb 20 '14 at 22:14
add a comment
...
In-App Billing test: android.test.purchased already owned
...
Add this code to a thread to initiate consume request.
int response = mService.consumePurchase(3, getPackageName(), purchaseToken);
Here for the purchase test, purchaseToken is
purchaseToken = "inapp:" + getPackageName() + ":android.test.purchased";
And
if (response == 0)
...
Inserting image into IPython notebook markdown
... is alanguage with plain text formatting syntax designed so that it can be converted to HTML and many other formats. Markdown is often used to create rich text using a plain text editor. Check out the following link to learn the syntax : github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet
...
MVC 4 @Scripts “does not exist”
...see this topic:
How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
As many pointed out, restart of VS could be required after the above steps to make this work.
share
|
i...
Calling a function every 60 seconds
...
If you don't care if the code within the timer may take longer than your interval, use setInterval():
setInterval(function, delay)
That fires the function passed in as first parameter over and over.
A better approach is, to use setTimeout along with a self-executing anonymous function:
(funct...
What is a “cache-friendly” code?
...ailed examples covering languages ranging from assembly to C++.
If you are into videos, I strongly recommend to have a look at Herb Sutter's talk on machine architecture (youtube) (specifically check 12:00 and onwards!).
Slides about memory optimization by Christer Ericson (director of technology @...
Deleting multiple elements from a list
...
sort() is not defined for tuple, you'd have to convert to list first. sort() returns None, so you couldn't use reverse() on it.
– SilentGhost
Jan 31 '09 at 1:38
...