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Why covariance and contravariance do not support value type
...so long as the infrastructure has guaranteed that it will definitely be valid.
For value types, that doesn't work - to treat an IEnumerable<int> as an IEnumerable<object>, the code using the sequence would have to know whether to perform a boxing conversion or not.
You might want to re...
What is the smallest possible valid PDF?
...uriosity, having seen the smallest GIF , what is the smallest possible valid PDF file?
4 Answers
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How to trace the path in a Breadth-First Search?
... and the end but none of the nodes in-between? Or even another approach besides graphs?
– Christopher Markieta
Jan 19 '12 at 7:19
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In git how is fetch different than pull and how is merge different than rebase?
...lly was that how could I see the changes someone else has done and then decide whether I would like to merge them into my working directory (i.e. experiment with other people's changes to make sure it does not break my work) but I am still confused how to do that? Should I just pul and experiment/ex...
Do login forms need tokens against CSRF attacks?
... browser was logged in with the host account
As a pertinent example, consider YouTube. YouTube allowed users to see a record of "their own" viewing history, and their login form was CSRF-vulnerable! So as a result, an attacker could set up an account with a password they knew, log the victim into ...
How do I decode a string with escaped unicode?
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Interesting. I did had to add quotes around it unescape(JSON.parse('"' + s + '"')); What is the reason for the extra quotes? Does that make it valid JSON?
– styfle
Nov 7 '12 at 1:46
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Where to use EJB 3.1 and CDI?
...synchronous method invocation. Starting threads is a no-no in any server-side environment. Having too many threads is a serious performance killer. This annotation allows you to parallelize things you do using the container's thread pool. This is awesome.
Available to @Stateful, @Stateless an...
Easiest way to pass an AngularJS scope variable from directive to controller?
...n 2014/8/25:
Here was where I forked it.
Thanks @anvarik.
Here is the JSFiddle. I forgot where I forked this. But this is a good example showing you the difference between = and @
<div ng-controller="MyCtrl">
<h2>Parent Scope</h2>
<input ng-model="foo"> <i>/...
When does invoking a member function on a null instance result in undefined behavior?
Consider the following code:
2 Answers
2
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...ast. This is a very rare use case though.
To respond to the oxbow_lakes' idea of effectively building your own small API, here are my views of why this is a bad idea:
It's work. Why do work when it's already been done for you?
A newcomer to your team is much more likely to be familiar with Joda ...