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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
... secure your site. If you are serving protected data, use cookies or OAuth tokens or something other than the Origin header to secure that data. The Access-Control-Allow-Origin header in CORS only dictates which origins should be allowed to make cross-origin requests. Don't rely on it for anything m...
#define macro for debug printing in C?
...ich deletes the comma preceding the notation if, but only if, the previous token is a comma:
#define debug_print(fmt, ...) \
do { if (DEBUG) fprintf(stderr, fmt, ##__VA_ARGS__); } while (0)
This solution retains the benefit of requiring the format argument while accepting optional arg...
An example of how to use getopts in bash
...ptional arguments" with getopts. The parser simply cannot know if the next token is an argument to the current option or an option by itself since -p might be the intended value. You can hack around this if you absolutely know that an option parameter cannot look like another valid option, yes, but ...
How to generate a random number in C++?
... generating symmetric keys, asymmetric private keys, salt values, security tokens, etc.
However security-grade random numbers is a separate industry worth a separate article.
In most cases Pseudo-Random Number Generator is sufficient - e.g. for scientific simulations or games. In some cases consiste...
社交应用组件 · App Inventor 2 中文网
... called after a call to CheckAuthorized if we already have a
valid access token. After this event has been raised, any other method for this component can
be called.
MentionsReceived(mentions)
This event is raised when the mentions of the logged-in user requested through
RequestMentions have ...
'printf' vs. 'cout' in C++
...y.
Less error prone: With <iostream>, there are no redundant
"%" tokens that have to be consistent
with the actual objects being I/O'd.
Removing redundancy removes a class
of errors.
Extensible: The C++ <iostream> mechanism allows new user-defined
types to be I/O'd without ...
PHP parse/syntax errors; and how to solve them
... line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer couldn't process finally. This isn't necessarily the cause of the syntax mistake, however.
It's important to look into previous code lines as well. Often syntax errors are just mishaps that happened earlier. The er...
How should a model be structured in MVC? [closed]
... $this->identification->findIdentityByEmailAddress($email);
$token = $this->identification->loginWithPassword(
$identity,
$request->get('password')
);
} catch (FailedIdentification $exception) {
$data = [
'status' => '...
Create an index on a huge MySQL production table without table locking
...able users add index ddopsonfu (last_name, email, first_name, confirmation_token, current_sign_in_ip);'
echo "Index Update - FINISH"
sleep 0.05
kill $PID
time mysql -uroot website_development -e 'drop index ddopsonfu on users;'
My Server (InnoDB):
Server version: 5.5.25a Source distribution
Out...
Dynamic type languages versus static type languages
...mpiler can use this. If we in Java do "string" + "string" or 3 + 3, both + tokens in text in the end represent a completely different operation and datum, the compiler knows which to choose from the types alone.
Now, I'm going to make a very controversial statement here but bear with me: 'dynamic ty...