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Compare floats in php
... divide on $b ? the PHP manual just did if(abs($a-$b) < $epsilon) the MySQL manual also did the same HAVING ABS(a - b) <= 0.0001
– Accountant م
May 1 '17 at 18:51
1
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How to convert 1 to true or 0 to false upon model fetch
I have a model that is set with a JSON response from a mysql database. The model data is set with true or false into a boolean/tinyint field in the database, which uses 1 or 0 .
...
On delete cascade with doctrine2
...rine's cascade={"remove"} removes the related entities before removing the root entity (it has to). So when the root entity is deleted there aren't any foreign relations left for onDelete="CASCADE" to delete. But to be sure I would suggest you simply create a small test case and look at the queries ...
MVC 4 @Scripts “does not exist”
... that I had System.Web.Optimization reference in both project and the main/root web.config but @Scripts still didn't work properly. You need to add the namespace reference to the Views web.config file to make it work.
UPDATE:
Since the release of MVC 4 System.Web.Optimization is now obsolete. If y...
Logging best practices [closed]
...e fine resolution of the recommended logger-per-class pattern for no other selectivity gain.
Failing to expose the optional Exception argument, leading to multiple problems:
It makes an exception logging policy even more difficult to maintain, so nothing is done consistently with exceptions.
Even...
What is the fastest way to compute sin and cos together?
...nd be aware that using this method involves computing a power and a square root, so if performance is important, make sure to verify that this is actually faster than computing the other trig function directly.
– Tyler McHenry
Apr 21 '10 at 14:11
...
Should I be concerned about excess, non-running, Docker containers?
... those files which are required to run that piece of software (for example mysql, redis etc.) with basic configurations in a container environment.
When you create a container using an image, a small section of resources from your system are isolated with the help of namespacing and cgroups, and the...
“Keep Me Logged In” - the best approach
...lution
A better solution would be
User is logged in and remember me is selected
Generate Token & signature and store in cookie
The tokens are random and are only valid for single autentication
The token are replace on each visit to the site
When a non-logged user visit the site the signa...
Nginx no-www to www and www to no-www
...x.html;
####
# now pull the site from one directory #
root /var/www/www.google.com/web;
# done #
location = /favicon.ico {
log_not_found off;
access_log off;
}
}
...
How to provide different Android app icons for different gradle buildTypes?
...is as follows, and your launcher icon is called ic_launcher.png:
[Project Root]
-[Module]
-src
-main
-res
-drawable-*
-ic_launcher.png
Then to add a separate icon for the debug build type, you add:
[Project Root]
-[Module]
-src
-main
...