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How to subtract X days from a date using Java calendar?
Anyone know a simple way using Java calendar to subtract X days from a date?
10 Answers
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Why is “final” not allowed in Java 8 interface methods?
...wed in this light. (Note too that class methods are going to be different from interface methods, no matter what the intent, by virtue of the fact that interface methods can be multiply inherited.)
The basic idea of a default method is: it is an interface method with a default implementation, and ...
Handling Dialogs in WPF with MVVM
...ple of this control in terms of how to show it, and retrieve dialog result from it etc. Especially in MVVM scenario in Silverlight.
– Roboblob
Jan 8 '10 at 15:41
16
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Why don't C++ compilers define operator== and operator!=?
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That problem doesn't stop it from generating a copy ctor, where it's quite harmful.
– MSalters
Oct 20 '08 at 9:57
81
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
... and the web regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the reasoning why technology X wa...
Why are elementwise additions much faster in separate loops than in a combined loop?
...ch large allocations are requested, the allocator will request fresh pages from the OS. Therefore, there is a high chance that large allocations will appear at the same offset from a page-boundary.
Here's the test code:
int main(){
const int n = 100000;
#ifdef ALLOCATE_SEPERATE
double *a1 =...
How do I import other TypeScript files?
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From TypeScript version 1.8 you can use simple import statements just like in ES6:
import { ZipCodeValidator } from "./ZipCodeValidator";
let myValidator = new ZipCodeValidator();
https://www.typescriptlang.org/docs/handb...
Quit and restart a clean R session from within R?
... I believe opening a "clean R session" requires that 1-Data from current session is removed; 2-Packages from current session are unloaded. .rs.restartR() does not seem to do either of these things on my machine..
– steadyfish
May 6 '16 at 13:58
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What is the most efficient way to store a list in the Django models?
... a guide to creating a SeperatedValueField on his blog. Here is the code:
from django.db import models
class SeparatedValuesField(models.TextField):
__metaclass__ = models.SubfieldBase
def __init__(self, *args, **kwargs):
self.token = kwargs.pop('token', ',')
super(Separat...
Does the APNS device token ever change, once created?
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From [Apple Documentation ApplePushService]2
The form of this phase of token trust ensures that only APNs generates
the token which it will later honor, and it can assure itself that a
token handed to it by a device i...