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How do you Encrypt and Decrypt a PHP String?
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Before you do anything further, seek to understand the difference between encryption and authentication, and why you probably want authenticated encryption rather than just encryption.
To implement authenticated encryption, you want to Encrypt then MAC. The or...
Why do we need extern “C”{ #include } in C++?
...rtain format—the C++ 'ABI', or 'Application Binary Interface', so the linker chokes up. This is preferable to passing C++ data to a function expecting C data.
(To get into the really nitty-gritty, C++'s ABI generally 'mangles' the names of their functions/methods, so calling printf() without flag...
How do I get a PHP class constructor to call its parent's parent's constructor?
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The ugly workaround would be to pass a boolean param to Papa indicating that you do not wish to parse the code contained in it's constructor. i.e:
// main class that everything inherits
class Grandpa
{
public function __construct(...
Detect rotation of Android phone in the browser with JavaScript
I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle.
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What is the difference between Tomcat, JBoss and Glassfish?
I am starting to look into Enterprise Java and the book I am following mentions that it will use JBoss. Netbeans ships with Glassfish. I have used Tomcat in the past.
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jQuery hide element while preserving its space in page layout
...mpletely removes the element from the document flow and causes it to not take up space.
visibility:hidden keeps the space as it is.
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How to restart a rails server on Heroku?
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The answer was:
heroku restart -a app_name
# The -a is the same as --app
Easily aliased with alias hra='heroku restart --app '
Which you can make a permanent alias by adding it to your .bashrc or .bash_aliases file as described at:
https://as...
How to prevent line breaks in list items using CSS
I'm trying to put a link called Submit resume in a menu using a li tag. Because of the whitespace between the two words it wraps to two lines. How to prevent this wrapping with CSS?
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In c++ what does a tilde “~” before a function name signify?
...es out of scope or is explicitly deleted.
See https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_74/rzarg/cplr380.htm
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Should I use tag for icons instead of ? [closed]
Facebook's HTML and Twitter Bootstrap HTML (before v3) both use the <i> tag to display icons.
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