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What is this operator in MySQL?
... Not at all; <=> takes two operands whereas IS (NOT) NULL only takes one; big difference ... it's as useful as = itself in that respect.
– Ja͢ck
Feb 21 '14 at 8:20
...
Why is no one using make for Java?
...and sum up all of the files that are out of date, and then compile them in one go. Make will simply call the java compiler on each individual file. Having make NOT do this requires enough external tooling to really show that Make is not quite up to the task.
That's why alternatives like Ant and Mav...
How is CountDownLatch used in Java Multithreading?
Can someone help me to understand what Java CountDownLatch is and when to use it?
12 Answers
...
Perforce for Git users? [closed]
... new Perforce users coming from Git understand the new world they are in.
One brief detour before we dive in; if you prefer Git you can use Git with Perforce quite well. We provide a tool called Git Fusion that generates Git repositories that are kept in sync with the Perforce server. Git and Perfo...
Iterate two Lists or Arrays with one ForEach statement in C#
...omething like:
var numbers = new [] { 1, 2, 3, 4 };
var words = new [] { "one", "two", "three", "four" };
var numbersAndWords = numbers.Zip(words, (n, w) => new { Number = n, Word = w });
foreach(var nw in numbersAndWords)
{
Console.WriteLine(nw.Number + nw.Word);
}
As an alternative to...
How to prevent column break within an element?
...le solution if you can avoid it.
UPDATE
According to the bug report mentioned above, Firefox 20+ supports page-break-inside: avoid as a mechanism for avoiding column breaks inside an element but the below code snippet demonstrates it still not working with lists:
.x {
column-count: 3;
...
What is difference between MVC, MVP & MVVM design pattern in terms of coding c#
...ll detail - you can choose if it is two way data binding or you can define one way binding as well.
– Jviaches
Jun 28 '16 at 20:59
10
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New to unit testing, how to write great tests? [closed]
... not change.
I think you are doing it wrong.
A unit test should:
test one method
provide some specific arguments to that method
test that the result is as expected
It should not look inside the method to see what it is doing, so changing the internals should not cause the test to fail. You sh...
Break a previous commit into multiple commits
...ssarily mean that git rebase expects the result of this edit to be exactly one commit. Indeed, you can undo the commit, or you can add other commits. This can be used to split a commit into two:
Start an interactive rebase with git rebase -i <commit>^, where <commit> is the commit you w...
How to get just one file from another branch
... # from branch "experiment"
See also git how to undo changes of one file?
Update August 2019, Git 2.23
With the new git switch and git restore commands, that would be:
git switch master
git restore --source experiment -- app.js
By default, only the working tree is restored.
If you want ...