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Add data annotations to a class generated by entity framework
...ass ItemRequestMetaData
{
[Required]
public int RequestId {get;set;}
//...
}
}
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What is std::move(), and when should it be used?
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1. "What is it?"
While std::move() is technically a function - I would say it isn't really a function. It's sort of a converter between ways the compiler considers an expression's value.
2. "What does it do?"
The first thing to note is that std::move() doesn't actually...
New to unit testing, how to write great tests? [closed]
...nd to the method (testing all codepath, expecting some inner methods to be called a number of times, with certain arguments), that it seems that if I ever refactor the method, the tests will fail even if the final behavior of the method did not change.
I think you are doing it wrong.
A unit test ...
Step-by-step debugging with IPython
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You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're automatically dropped to ipdb. While you don't have the stepping immediately, you're in ipdb afterwards.
This makes debugging individual functions easy, as you can just l...
How to use @Nullable and @Nonnull annotations more effectively?
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}
The following code snippet then contains a bug. The method calls directPathToA() without enforcing that y is non-null (that is, it does not guarantee the precondition of the called method). One possibility is to add a Nonnull annotation as well to indirectPathToA() (propagating the p...
Random Number Between 2 Double Numbers
...e the cost of creating the random number generator, and will enable you to call GetRandomNumber very frequently. Since we are initializing a new RNG with every call, if you call quick enough that the system time doesn't change between calls the RNG will get seeded with the exact same timestamp, and...
Working Soap client example
...sing JAX-WS.
See below a working example (run it!) of a SOAP web service call using SAAJ. It calls this web service.
import javax.xml.soap.*;
public class SOAPClientSAAJ {
// SAAJ - SOAP Client Testing
public static void main(String args[]) {
/*
The example below req...
Find the min/max element of an Array in JavaScript
... @HankH: passing null or Math or {} or whatever to apply() or call() has no bearing on the outcome. Math.max does not nor should not reference this internally.
– Roatin Marth
Nov 3 '09 at 18:43
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Where does Chrome store extensions?
...ome/Default/Extensions/
if you go to chrome://extensions you'll find the "ID" of each extension. That is going to be a directory within Extensions directory. It is there you'll find all of the extension's files.
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Why use AJAX when WebSockets is available?
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And now at the dawn of 2014, WebSockets is practically a standard (RFC 6455) and only Opera mini does not support it.
– Dirk Bester
Jan 1 '14 at 21:40
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