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As more secure web services avoid storing passwords in plain text format, languages such as PHP provide various (undecryptable) hash functions to support the more secure industry standard. This topic provides documentation for proper hashing with PHP. string password_hash ( string $password , ...

This is a simple hello world function in Common Lisp. Examples will print the text Hello, World! (without quotation marks; followed by a newline) to the standard output. Common Lisp is a programming language that is largely used interactively using an interface known as a REPL. The REPL (Read Eva...

FunctionDetailsob_start()Starts the output buffer, any output placed after this will be captured and not displayedob_get_contents()Returns all content captured by ob_start()ob_end_clean()Empties the output buffer and turns it off for the current nesting levelob_get_clean()Triggers both ob_get_cont...

Threads allow Python programs to handle multiple functions at once as opposed to running a sequence of commands individually. This topic explains the principles behind threading and demonstrates its usage.

While everything in Node.js is generally done asynchronously, require() is not one of those things. Since modules in practice only need to be loaded once, it is a blocking operation and should be used properly. Modules are cached after the first time they are loaded. Should you be editing a modul...

Text formatting in markdown usually requires characters at both the beginning and end of the text.

Oracle is a relational database management system (RDBMS) originally built by Larry Ellison, Bob Miner, and Ed Oates in the late 70s. It was intended to be compatible with IBM's System R. VersionRelease DateVersion 1 (unreleased)1978-01-01Oracle V21979-01-01Oracle Version 31983-01-01Oracle Ver...

The C language does not define a linked list data structure. If you are using C and need a linked list, you either need to use a linked list from an existing library (such as GLib) or write your own linked list interface. This topic shows examples for linked lists and double linked lists that ca...

In C++, it is possible to define operators such as + and -> for user-defined types. For example, the <string> header defines a + operator to concatenate strings. This is done by defining an operator function using the operator keyword. The operators for built-in types cannot be change...

Bosun is an open-source, MIT licensed, monitoring and alerting system created by Stack Overflow. It has an expressive domain specific language for evaluating alerts and creating detailed notifications. It also lets you test your alerts against historical data for a faster development experience. M...

find is a command to recursively search a directory for files(or directories) that match a criteria, and then perform some action on the selected files. find search_path selection_criteria action find [-H] [-L] [-P] [-D debugopts] [-Olevel] [path...] [expression]

Unit testing describes the process of testing individual units of code in isolation from the system that they are a part of. What constitutes a unit can vary from system to system, ranging from an individual method to a group of closely related classes or a module. The unit is isolated from its ...

class twilio.rest.resources.Messages(*args, **kwargs) ParameterDetailsto (str)The destination phone number.from_ (str)The phone number sending this message (must be a verified Twilio number)body (str)The message you want to send, limited to 160 characters.status_callbackA URL that Twilio wil...