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Storing time-series data, relational or non?
...has to handle ~3 million measures with a 1 minute frequency? How would you order the PK for such a table? Wouldn't Device, Metric, DateTime create fragmentation and force the RDBMS to lots of page split? Instead putting DateTime first would reduce fragmentation (I'm assuming time ordered inserts) bu...
How do I prevent a Gateway Timeout with FastCGI on Nginx
...t_timeout 300s;
fastcgi_send_timeout 300s;
fastcgi_read_timeout 300s;
In php file in the case 127.0.0.1:9000 (/etc/php/7.X/fpm/pool.d/www.conf) modify:
request_terminate_timeout = 300
I hope help you.
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How to exit an if clause
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Ideally you can achieve both, but there are times when you must trade good code for good performance. Those times are rare, especially when you are considering using Python. In other words: don't worry so much about function c...
Replace transparency in PNG images with white background
...and applying background image is straight forward in ImageMagick
However, order of the commands is very important
To apply any background on a transparent image and flatten it, first apply the background than flatten it. The reverse doesn't work.
$ convert sourceimage.png -background BackgroundC...
LINQ order by null column where order is ascending and nulls should be last
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Try putting both columns in the same orderby.
orderby p.LowestPrice.HasValue descending, p.LowestPrice
Otherwise each orderby is a separate operation on the collection re-ordering it each time.
This should order the ones with a value first, "then" the order...
jQuery/JavaScript: accessing contents of an iframe
...nother domain you can still do it. You need to read the external page into PHP and echo it from your domain. Like this:
iframe_page.php
<?php
$URL = "http://external.com";
$domain = file_get_contents($URL);
echo $domain;
?>
Then something like this:
display_page.html
<...
std::function and std::bind: what are they, and when should they be used?
...n occasional use that isn't partial function application, bind can also re-order the arguments to a function:
auto memcpy_with_the_parameters_in_the_right_flipping_order = bind(memcpy, _2, _1, _3);
I don't recommend using it just because you don't like the API, but it has potential practical uses...
Python class inherits object
...lets you customize how new class instances are created.
Method resolution order (MRO): in what order the base classes of a class will be searched when trying to resolve which method to call.
Related to MRO, super calls. Also see, super() considered super.
If you don't inherit from object, forget...
Is there a way to make text unselectable on an HTML page? [duplicate]
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According to this Answer, the order of those two webkit settings may be critical, where the -webkit-user-select: should come before the -webkit-touch-callout:. I have not verified this.
– Basil Bourque
Nov 15 '14 at ...
Wildcards in a Windows hosts file
...ions Indexes FollowSymLinks Includes ExecCGI
AllowOverride All
Order allow,deny
Allow from all
</Directory>
<VirtualHost *:80>
VirtualDocumentRoot c:/xampp/sites/%-1/%-2+/
</VirtualHost>
This allows me to add an entry like:
127.0.0.1 test.de...