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Calculate business days
...case the whole interval is within a week, in the second case the interval falls in two weeks.
if ($the_first_day_of_week <= $the_last_day_of_week) {
if ($the_first_day_of_week <= 6 && 6 <= $the_last_day_of_week) $no_remaining_days--;
if ($the_first_day_of_week &l...
How to convert a string or integer to binary in Ruby?
...= x.to_s(2)
}
lookup_table[5]
=> "101"
lookup_table["8"]
=> "1000"
Indexing into this hash table using either the integer or string representation of a number will yield its binary representation as a string.
If you require the binary strings to be a certain number of digits long (keep lead...
Batch files - number of command line arguments
... result and shows conversion to local args. You can reference arguments by index in any function.
share
单页web应用（SPA）的简单介绍 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
function changePage(hash){
switch (hash)
{
case '#index':
url='partials/list.html';
break;
case '#newpage':
url='partials/newpage.html';
break;
case '#edit':
url='partials/edit.html';
...
Flattening a shallow list in Python [duplicate]
...o iterate over a flattened version of the data structure and don't need an indexable sequence, consider itertools.chain and company.
>>> list_of_menuitems = [['image00', 'image01'], ['image10'], []]
>>> import itertools
>>> chain = itertools.chain(*list_of_menuitems)
>...
git command to move a folder inside another
...isting directory; the given sources will be moved into this directory.
The index is updated after successful completion, but the change must still be committed.
No "git add" should be done before the move.
Note: "git mv A B/", when B does not exist as a directory, should error out, but it didn't.
...
What is Rack middleware?
...e serve a simple file, for example a very basic HTML file located at htmls/index.html:
<!DOCTYPE HTML>
<html>
<head>
<title>The Index</title>
</head>
<body>
<p>Index Page</p>
</body>
</html>
We maybe want to serv...
How to perform a real time search and filter on a HTML table
...
I created these examples.
Simple indexOf search
var $rows = $('#table tr');
$('#search').keyup(function() {
var val = $.trim($(this).val()).replace(/ +/g, ' ').toLowerCase();
$rows.show().filter(function() {
var text = $(this).text().replac...
MySQL - why not index every field?
Recently I've learned the wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question.
...
How can I time a code segment for testing performance with Pythons timeit?
...n, and note that performance varies not only with the exact query and what indexes you have, but also with the data load (how much data you have stored).
That said, you can simply put your code in a function and run that function with timeit.timeit():
def function_to_repeat():
# ...
duration ...