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What are the security risks of setting Access-Control-Allow-Origin?
I recently had to set Access-Control-Allow-Origin to * in order to be able to make cross-subdomain ajax calls.
Now I can't help but feel that I'm putting my environment to security risks.
Please help me if I'm doing it wrong.
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When to use a key/value store such as Redis instead/along side of a SQL database?
...ngle threaded and so forth. I think that another big difference is that in order to take advantage of Redis in your production environment you don't need to switch to Redis. You can just use it in order to do new things that were not possible before, or in order to fix old problems.
Use cases the ...
brew install mysql on macOS
...d MySQL 5.7, the process is a bit different than for previous versions.
In order to reset the root password, proceed as follows:
sudo rm -rf /usr/local/var/mysql
mysqld --initialize
A temporary password will be printed to the console and it can only be used for updating the root password:
mysql....
Difference between UTF-8 and UTF-16?
... a great deal of backwards compatibility too.
UTF-8 is independent of byte order, so you don't have to worry about Big Endian / Little Endian issue.
Main UTF-8 cons:
Many common characters have different length, which slows indexing by codepoint and calculating a codepoint count terribly.
Even t...
What's “tools:context” in Android layout files?
...ction; an activity can call setContentView(layout) to display a layout) in order to drive certain features.
Right now, we're using it for one thing only: Picking the right theme to show for a layout (since the manifest file can register themes to use for an activity, and once we know the activity a...
What does the PHP error message “Notice: Use of undefined constant” mean?
...;
}
Referring to a class constant without specifying the class scope
In order to refer to a class constant you need to specify the class scope with ::, if you miss this off PHP will think you're talking about a global define().
Eg:
class MyClass {
const MY_CONST = 123;
public function my_m...
Android: How to put an Enum in a Bundle?
...e.name() and restore it from YourEnums.valueOf(s), as otherwise the enum's ordering must be preserved!
Longer explanation: Convert from enum ordinal to enum type
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How should I ethically approach user password storage for later plaintext retrieval?
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I am not a lawyer, but consider this. If your supervisor orders you to do something against the interests of the company, such as by exposing them to an easily avoided liability, is it your job to obey or to politely refuse? Yes, they're your boss, but they have a boss of their ow...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...It is not a magic bullet. All it will do is escape dangerous characters in order that they can be safe to use in a single query string. However, if you do not sanitise your inputs beforehand, then you will be vulnerable to certain attack vectors.
Imagine the following SQL:
$result = "SELECT fields...
ActiveModel::ForbiddenAttributesError when creating new user
...put by seeing if your controller will respond to the following methods (in order):
create_params
<model_name>_params such as article_params (this is
the default convention in rails for naming your param method)
resource_params (a generically named method you could specify in
each controller)...