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Check if UIColor is dark or bright?
...htness calculation: "Expression was too complex to be solved in reasonable time; consider breaking up the expression into distinct sub-expressions". I fixed it by adding type: "let brightness = (((components[0] * 299.0) as CGFloat) + ((components[1] * 587.0) as CGFloat) + ((components[2] * 114.0)) ...
How to find all the tables in MySQL with specific column names in them?
I have 2-3 different column names that I want to look up in the entire DB and list out all tables which have those columns. Any easy script?
...
How to maintain aspect ratio using HTML IMG tag
I am using an img tag of HTML to show a photo in our application. I have set both its height and width attribute to 64. I need to show any image resolution (e.g. 256x256, 1024x768, 500x400, 205x246, etc.) as 64x64. But by setting the height and width attributes of an img tag to 64, it's not maintain...
Ternary operator in AngularJS templates
...t, so the above would apply class 'myClass1' and 'myClass2' only the first time through the loop.
With ng-class there is an easier way though: ng-class takes an expression that must evaluate to one of the following:
a string of space-delimited class names
an array of class names
a map/object of ...
What purpose does a tag serve inside of a tag?
I've been on a "view source" spree lately on websites with interesting design and content. One of those websites, Squarespace , has blocks of <script> tags inside of a <noscript> tag, like so:
...
Really killing a process in Windows
...ess" button for it. However, this doesn't always work; if I try it enough times then it'll usually die eventually, but I'd really like to be able to just kill it immediately. On Linux I could just kill -9 to guarantee that a process will die.
...
How do I have to configure the proxy settings so Eclipse can download new plugins?
...porate firewall and trying to update a cleacase plugin was failing all the time. This seems to solve the problem.
– Ayusman
Nov 28 '12 at 19:12
3
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how to replicate pinterest.com's absolute div stacking layout [closed]
...st column at the moment it is added
"left:" === the column # (index array) times the column width + margin
"top:" === The value in the array (height) for the shortest column at that time
Finally, add the height of the pin to the column height (array value)
The result is lightweight. In Chrome, lay...
How to implement a secure REST API with node.js
...erid (key) and the accesstoken (value) are stored in redis with and expire time, e.g. 1h.
Now, every time the user does any operation using the rest api it will need to send the userid and the accesstoken.
If you allow the users to signup using the rest api, you'll need to create an admin account ...
How does the keyword “use” work in PHP and can I import classes with it?
...n;
class Mailer{}
And if you want to use both Mailer classes at the same time then you can use an alias.
use SMTP\Mailer as SMTPMailer;
use Mailgun\Mailer as MailgunMailer;
Later in your code if you want to access those class objects then you can do the following:
$smtp_mailer = new SMTPMaile...