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How to create a MySQL hierarchical recursive query
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For MySQL 8+: use the recursive with syntax.
For MySQL 5.x: use inline variables, path IDs, or self-joins.
MySQL 8+
with recursive cte (id, name, parent_id) as (
select id,
name,
parent_id
from ...
Multiple select statements in Single query
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248
SELECT (
SELECT COUNT(*)
FROM user_table
) AS tot_user,
(
SELECT COUNT(*)
FRO...
Strange \n in base64 encoded string in Ruby
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answered Apr 12 '10 at 9:38
Christoffer HammarströmChristoffer Hammarström
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Why start a shell command with a backslash?
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answered Mar 28 '13 at 20:59
John KugelmanJohn Kugelman
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Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
...ings });
$.ajax({
contentType: 'application/json; charset=utf-8',
dataType: 'json',
type: 'POST',
url: '/Home/PassThings',
data: things,
success: function () {
$('#result').html('"PassThings()" successfully called.');
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textarea's rows, and cols attribute in CSS
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SampsonSampson
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How do you test running time of VBA code?
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81
Unless your functions are very slow, you're going to need a very high-resolution timer. The mos...
What's the easiest way to escape HTML in Python?
...st encode at the end to the encoding specified in the document header (utf-8 for maximum compatibility).
Example:
>>> cgi.escape(u'<a>bá</a>').encode('ascii', 'xmlcharrefreplace')
'&lt;a&gt;b&#225;&lt;/a&gt;
Also worth of note (thanks Greg) is the extra ...
How to write log base(2) in c/c++
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tomlogictomlogic
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27
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What is a Manifest in Scala and when do you need it?
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198
The compiler knows more information about types than the JVM runtime can easily represent. A Ma...