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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...amuelRenkert also the Linux backdoor that was found in 2003: if (user_id = ROOT_UID)
– Supuhstar
Dec 23 '15 at 16:52
...
Why is it not advisable to have the database and web server on the same machine?
... the other hand, your database is on the same server, the attacker now has root access to your data and server.
Scalability. Keeping your web server stateless allows you to scale your web servers horizontally pretty much effortlessly. It is very difficult to horizontally scale a database server.
Per...
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 ...
Why is Linux called a monolithic kernel?
...vice can be easily restarted, for instance, there is no kernel halt if the root file system throws an abort. This can also be seen as a disadvantage, though, because it can hide pretty critical bugs (or make them seem not-so-critical, because the problem seems to continuously fix itself). It's seen ...
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...
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...
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...
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...
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 can I move a single directory from a git repository to a new repository whilst maintaining the h
...
To rewrite the repository to look as
if foodir/ had been its project root,
and discard all other history:
git filter-branch --subdirectory-filter foodir -- --all
Make several copies of your repo, do that for each subdirectory you want to split out, and you should wind up with what you're...