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How can I parse a time string containing milliseconds in it with python?
...03/09 16:31:32.123', '%d/%m/%y %H:%M:%S.%f')
>>> a.microsecond
123000
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How do I get an object's unqualified (short) class name?
...tr_replace('\\', '/', static::class));
}
}
$a = new ClassA();
$num = 100000;
$rounds = 10;
$res = array(
"Reflection" => array(),
"Basename" => array(),
"Explode" => array(),
);
for($r = 0; $r < $rounds; $r++){
$start = microtime(true);
for($i = 0; $i < $nu...
Best practice for Python assert
...
The four purposes of assert
Assume you work on 200,000 lines of code with four colleagues Alice, Bernd, Carl, and Daphne.
They call your code, you call their code.
Then assert has four roles:
Inform Alice, Bernd, Carl, and Daphne what your code expects.
Assume you have a m...
How to make an inline-block element fill the remainder of the line?
...ner {
overflow: hidden; /* clear the float */
border: 1px solid #000
}
.lineContainer div {
height: 20px
}
.left {
width: 100px;
float: left;
border-right: 1px solid #000
}
.right {
overflow: hidden;
background: #ccc
}
<div class="lineContainer">...
What is the fastest factorial function in JavaScript? [closed]
..., 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000, 20922789888000, 355687428096000, 6402373705728000, 121645100408832000, 2432902008176640000, 51090942171709440000, 1124000727777607680000, 25852016738884976640000, 620448401733239439360000, 15511210043330985984000000, 403...
Undo git update-index --assume-unchanged
...lowing command:
git ls-files -v | grep '^[a-z]' | cut -c 3- | tr '\012' '\000' | xargs -0 git update-index --no-assume-unchanged
git ls-files -v will print all files with their status
grep '^[a-z]' will filter files and select only assume unchanged
cut -c 3- will remove status and leave only pat...
Using module 'subprocess' with timeout
... "kill", added work-around. BTW, great recipe! I've used this to launch 50,000 buggy processes so far without freezing or crashing the handling wrapper.
– Yaroslav Bulatov
Jul 1 '11 at 21:02
...
Insert the carriage return character in vim
...n Unix ( \n newlines). I need to insert the carriage return character ( U+000D aka \r ). When I try to paste it from the clipboard ( "+p ) or type it using Ctrl + Shift + u - 000d , the linefeed is inserted ( U+000A ).
...
sql primary key and index
... you use this query:
SELECT ID, Name, Address FROM MyTable WHERE ID > 1000
SQL Server will give you the result only using the index you've created and it'll not read anything from the actual table.
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What are the differences between a clustered and a non-clustered index?
...of the records need to be unique is a fallacy. Say you have a table with 1,000,000 rows and you index a column with 500,000 keys. 0% are unique but each key returns 2 out of a million rows. This index is absolutely useful regardless that 0% of the records are unique.
– Stephani...