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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...

SELECT column_1 [, column_2 ] FROM table_1 ORDER BY order_column LIMIT row_count [OFFSET row_offset] SELECT column_1 [, column_2 ] FROM table_1 ORDER BY order_column LIMIT [row_offset,] row_count "Limit" could mean "Max number of rows in a table". "Offset&q...

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

Scanner scanner = new Scanner(Source source); Scanner scanner = new Scanner(System.in); ParameterDetailsSourceSource could be either one of String, File or any kind of InputStream The Scanner class was introduced in Java 5. The reset() method was added in Java 6, and a couple of new cons...

An assertion is a predicate that the presented condition must be true at the moment the assertion is encountered by the software. Most common are simple assertions, which are validated at execution time. However, static assertions are checked at compile time. assert(expression) static_assert(...

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]

ParameterDetailsindexRootThe root name of the index to hit, the format is expected to be fmt.Sprintf("%s-%s", index_root, d.Format("2006.01.02"))keyStringCreates groups (like tagsets) and can also filter those groups. It is the format of "field:regex,field:regex...". T...

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 ...

_Generic ( assignment-expression , generic-assoc-list ) ParameterDetailsgeneric-assoc-listgeneric-association OR generic-assoc-list , generic-associationgeneric-associationtype-name : assignment-expression OR default : assignment-expression All type qualifiers will be dropped during the ...

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...

When using Channel Groups, you should not add or remove channels in your client side applications. This example shows adding channels to a channel group and subscribing to that channel group for simplicity sake. But in a real world scenario, you should have your server do all the add/remove of cha...