大约有 16,000 项符合查询结果（耗时：0.0401秒） [XML]
Pretty graphs and charts in Python [closed]
...])
alt text http://i40.tinypic.com/2j677tl.jpg
Note: the image has been converted to jpg by the image host.
share
edited May 29 '09 at 13:52
...
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;
}
}...
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 @...
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)
...
Do you (really) write exception safe code? [closed]
...r example, a new can throw an exception, but assigning a built-in (e.g. an int, or a pointer) won't fail. A swap will never fail (don't ever write a throwing swap), a std::list::push_back can throw...
Exception guarantee
The first thing to understand is that you must be able to evaluate the exceptio...
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...
Transposing a NumPy array
...
You can convert an existing vector into a matrix by wrapping it in an extra set of square brackets...
from numpy import *
v=array([5,4]) ## create a numpy vector
array([v]).T ## transpose a vector into a matrix
numpy also has a ma...
Include another JSP file
...place where the JSP include directive is used. Then the source JSP page is converted into a java servlet class. The included file can be a static resource or a JSP page. Generally, JSP include directive is used to include header banners and footers.
Syntax for include a jsp file:
<%@ include f...