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Predicate in Java
...or example, you may have a helper method like this:
static boolean isEven(int num) {
return (num % 2) == 0; // simple
}
Now, given a List<Integer>, you can process only the even numbers like this:
List<Integer> numbers = Arrays.asList(1,2,3,4,5,6,7,8,9,10);
for (int number...
Which is best way to define constants in android, either static class, interface or xml resource?
...get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it as configurable, so that application can get appropriate URL base...
Evaluate empty or null JSTL c tags
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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
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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;
}
}...
Creating and playing a sound in swift
... Did you try to compile the code? I am getting error "Cannot convert the extression's type 'Unmanaged <CFURL>!' to type 'CFString'" from this line "let soundURL = CFBundleCopyResourceURL(CFBundleGetMainBundle(), "Cha-Ching", "aiff", nil)"
– bpolat
...
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)
...
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...
Python speed testing - Time Difference - milliseconds
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Anyone interested in getting total minutes can use int(c.total_seconds() / 60) in this case
– sufinawaz
Feb 6 '15 at 15:41
...
What's the scope of a variable initialized in an if statement?
...o count, as do lambda expressions. You can't stuff an assignment statement into any of those, but lambda parameters and for clause targets are implicit assignment.)
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