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Rolling median algorithm in C
... first idea partitions the data into two data structures (heaps, multisets etc) with O(ln N) per insert/delete does not allow the quantile to be changed dynamically without a large cost. I.e. we can have a rolling median, or a rolling 75% but not both at the same time.
Segment tree
The second idea...
throw Error('msg') vs throw new Error('msg')
...es act like a factory, like some other native constructors: Array, Object, etc. all check something like if (!(this instanceof Array)) { return new Array(arguments); }. (But note that String(x) and new String(x) are very different, and likewise for Number and Boolean.)
That said, in case of an erro...
How do I tidy up an HTML file's indentation in VI?
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FYI, tidy chokes if the HTML includes SVG (e.g., charts, etc.).
– Alex Quinn
Jan 24 '17 at 22:49
1
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Efficient way to apply multiple filters to pandas DataFrame or Series
...i'd used: df[f_2 & f_3 & f_4 & f_5 ] with f_2 = df["a"] >= 0etc. No need for that function... (nice use of higher order function though...)
– A. Rabus
Aug 29 '19 at 8:29
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How to validate an Email in PHP?
...ess can contain UTF-8 characters or special domain names like .live, .news etc.
Also I find that some email address can be on Cyrilic and on all cases standard regex or filter_var() will fail.
That's why I made an solution for it:
function valid_email($email)
{
if(is_array($email) || is_nume...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...a set of functions to check that inputs are integers, floats, alphanumeric etc. But when it comes to SQL, heed most the value of the prepared statement. The above code would have been secure if it was a prepared statement as the database functions would have known that 1 OR 1=1 is not a valid lite...
urllib2.HTTPError: HTTP Error 403: Forbidden
... in your case, it genuinely requires authentication with basic auth, oauth etc.
– Supreet Sethi
Feb 23 '18 at 23:35
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What are Flask Blueprints, exactly?
... blueprints for the static pages (i.e. signed-out home, register,
about, etc.), the dashboard (i.e. the news feed), profiles
(/robert/about and /robert/photos), settings (/settings/security and
/settings/privacy) and many more. These components all share a general
layout and styles, but each...
Export database schema into SQL file
...scripts
Next, select the requested table/tables, views, stored procedures, etc (from select specific database objects)
Click advanced - select the types of data to script
Click Next and finish
MSDN Generate Scripts
When generating the scripts, there is an area that will allow you to script, cons...
PHP code is not being executed, instead code shows on the page
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I'm running Apache on Ubuntu and my issue was that the /etc/apache2/mods-available/php5.conf file was missing this:
<FilesMatch ".+\.ph(p[345]?|t|tml)$">
SetHandler application/x-httpd-php
</FilesMatch>
I added it back in and php was parsing php files correctly....