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powershell - extract file name and extension
...ension
-------- ---------
StackOverflow.com Test Config .xlsx
If you are given the file name as part of string (say coming from a text file), I would use the GetFileNameWithoutExtension and GetExtension static methods from the System.IO.Path class:
PS C:...
How to capture stdout output from a Python function call?
...tringIO() with redirect_stdout(f): logger = getLogger('test_logger') logger.debug('Test debug message') out = f.getvalue() self.assertEqual(out, 'DEBUG:test_logger:Test debug message') . It gives me an error: AssertionError: '' != 'Test debug message'...
Mocking a class: Mock() or patch()?
...ly replaced by the mock instance.
mock.patch is usually used when you are testing something that creates a new instance of a class inside of the test. mock.Mock instances are clearer and are preferred. If your self.sut.something method created an instance of MyClass instead of receiving an instan...
Why do we need extern “C”{ #include } in C++?
... in the object file will use C++ name mangling. Here's an example.
Given test.C like so:
void foo() { }
Compiling and listing symbols in the object file gives:
$ g++ -c test.C
$ nm test.o
0000000000000000 T _Z3foov
U __gxx_personality_v0
The foo function is actually called "...
Test if a variable is a list or tuple
In python, what's the best way to test if a variable contains a list or a tuple? (ie. a collection)
13 Answers
...
Setting multiple attributes for an element at once with JavaScript
...ht: 120, // pixels
width: 160, // pixels
onclick: function () {
alert('Clicked!')
}
})
document.body.appendChild(elem)
// One-liner:
// document.body.appendChild(Object.assign(document.createElement(...), {...}))
.my-image-class {
height: 100%;
width: 100%;
border: soli...
Throw an error in a MySQL trigger
...on".
Here is a more complete example of the approach:
delimiter //
use test//
create table trigger_test
(
id int not null
)//
drop trigger if exists trg_trigger_test_ins //
create trigger trg_trigger_test_ins before insert on trigger_test
for each row
begin
declare msg varchar(128);
...
What does “yield break;” do in C#?
...ar returns in the same method gives a compiler error. Using yield return x alerts the compiler you want this method to be syntactic sugar for creating an Enumerator object. This Enumerator has method MoveNext() and property Current. MoveNext() executes the method until a yield return statement, and ...
“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...alse';
echo ' ' . (empty($v) ? 'true' : 'false');
echo "\n";
});
Test the above snippet in the 3v4l.org online PHP editor
Although PHP does not require a variable declaration, it does recommend it in order to avoid some security vulnerabilities or bugs where one would forget to give a val...
What is the best collation to use for MySQL with PHP? [closed]
...ection is of the same
-- character/collate type as the one we're going to test next:
charset utf8 collate utf8_general_ci
-- now, create the table and fill it with values
CREATE TABLE `test` (`key` VARCHAR(16), `value` VARCHAR(16) )
CHARACTER SET utf8 COLLATE utf8_general_ci;
INSERT INTO `tes...