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How is the Linux kernel tested ?
How do the Linux kernel developers test their code locally and after they have it committed? Do they use some kind of unit testing, build automation? test plans?
...
Are loops really faster in reverse?
...pt loops really faster when counting backward? If so, why? I've seen a few test suite examples showing that reversed loops are quicker, but I can't find any explanation as to why!
...
How and why do I set up a C# build machine? [closed]
... I've proposed setting up a build machine which will do nightly builds and tests of the project, because I understand that this is a Good Thing. Trouble is, we don't have a whole lot of budget here, so I have to justify the expense to the powers that be. So I want to know:
...
TDD/BDD screencast/video resources [closed]
...
I recorded a series of videos detailing how I've tested my indie-hacker software business over the years — codebase is big enough to be a real business but still comprehensible (about 14k LOC) — see here semicolonandsons.com/tag/testing
– Jack Kins...
Find MongoDB records where array field is not empty
... two things when querying - accuracy and performance. With that in mind, I tested a few different approaches in MongoDB v3.0.14.
TL;DR db.doc.find({ nums: { $gt: -Infinity }}) is the fastest and most reliable (at least in the MongoDB version I tested).
EDIT: This no longer works in MongoDB v3.6! S...
How can I run a function from a script in command line?
...u could specify the function name as the first argument. Example:
$ cat test.sh
testA() {
echo "TEST A $1";
}
testB() {
echo "TEST B $2";
}
"$@"
$ bash test.sh
$ bash test.sh testA
TEST A
$ bash test.sh testA arg1 arg2
TEST A arg1
$ bash test.sh testB arg1 arg2
TEST B arg2
For polish, ...
`static` keyword inside function?
...nsider this:
class Foo
{
public function call()
{
static $test = 0;
$test++;
echo $test . PHP_EOL;
}
}
$a = new Foo();
$a->call(); // 1
$a->call(); // 2
$a->call(); // 3
$b = new Foo();
$b->call(); // 4
$b->call(); // 5
If you want a static ...
Return number of rows affected by UPDATE statements
...in SQL Server 2005 onwards is excellent for.
EXAMPLE
CREATE TABLE [dbo].[test_table](
[LockId] [int] IDENTITY(1,1) NOT NULL,
[StartTime] [datetime] NULL,
[EndTime] [datetime] NULL,
PRIMARY KEY CLUSTERED
(
[LockId] ASC
) ON [PRIMARY]
) ON [PRIMARY]
INSERT INTO test_table(StartTime...
JavaScript: How to find out if the user browser is Chrome?
...y trigger some false positives in other browsers.
var isChrome = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);
However, as mentioned User Agents can be spoofed so it is always best to use feature-detection (e.g. Modernizer) when handling these issues, as other...
RSpec: What is the difference between a feature and a request spec?
...
The conceptual difference is that you're usually testing a user story, and all interaction should be driven via the user interface. That's where Capybara comes in. A request spec is still testing the behavior of your application and doesn't have the expectation of readabi...