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HTTP vs HTTPS performance
...ptember 2015:
Let's Encrypt Launch Schedule (Jun 16, 2015)
Let's Encrypt Root and Intermediate Certificates (Jun 4, 2015)
Draft Let's Encrypt Subscriber Agreement (May 21, 2015)
More info on Twitter: @letsencrypt
For more info on HTTPS and SSL/TLS performance see:
Is TLS Fast Yet?
High Perfor...
How to create circle with Bézier curves?
...nnot be expressed exactly with a cubic, because a circle contains a square root in its equation. As a consequence, you have to approximate.
To do this, you have to divide your circle in n-tants (e.g.quadrants, octants). For each n-tant, you use the first and last point as the first and last of the ...
Docker: adding a file from a parent directory
..., if you want to add/copy local content, it must be located under the same root path than the Dockerfile.
From the documentation:
The <src> path must be inside the context of the build; you
cannot ADD ../something/something, because the first step of a docker
build is to send the con...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
... until it's no longer considered stale (fresh?). Doesn't really get to the root of the problem, but I've found that the WebDriver can be rather picky about throwing this exception -- sometimes I get it, and sometimes I don't. Or it could be that the DOM really is changing.
So I don't quite agree wi...
Disable XML validation in Eclipse
...ertain folders (or files) for XML validation.
Begin by right clicking the root of your Eclipse project. Select the last item: Properties...
(If your browser scales this image very small, right click and open in a new window or tab.)
Eclipse appears to be very sensitive if you click the **Brow...
How to load a UIView using a nib file created with Interface Builder
...ay:
Create a custom MyView : UIView and set it as "Custom Class" of the root UIView in the desired XIB;
Create all outlets you need in MyView (do it now because after point 3 the IB will propose you to connect outlets to the UIViewController and not to the custom view as we want);
Set your UIVi...
How do you merge two Git repositories?
... man page it says about the opposite way around: making subdir/ become the root, but not the other way around.
– artfulrobot
Jun 1 '12 at 15:11
31
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Difference between using Throwable and Exception in a try catch
... normal cases we should always catch sub-classes of Exception, so that the root cause doesn't get lost.
Only special cases where you see possibility of things going wrong which is not in control of your Java code, you should catch Error or Throwable.
I remember catching Throwable to flag that...
What is the difference between a var and val definition in Scala?
...the object assigned to x, we could change the state of that object. At the root of it, however, there was a var.
Now, immutability is a good thing for many reasons. First, if an object doesn't change internal state, you don't have to worry if some other part of your code is changing it. For example...
Get the full URL in PHP
.../=================================================== //
$_SERVER["DOCUMENT_ROOT"] ???? /home/user/public_html
$_SERVER["SERVER_ADDR"] ???? 143.34.112.23
$_SERVER["SERVER_PORT"] ???? 80(or 443 etc..)
$_SERVER["REQUEST_SCHEME"] ???? https //similar: $_SER...