Tutorial by Topics: o

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...

Due to the GIL (Global interpreter lock) only one instance of the python interpreter executes in a single process. So in general, using multi-threading only improves IO bound computations, not CPU-bound ones. The multiprocessing module is recommended if you wish to parallelise CPU-bound tasks. G...

Some implementations of Markdown, such as Stack Exchange's, support spoiler quotes, which look the same, but hide the content of the quote until you click on it.

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.

@interface ClassName (categoryName) // ClassName is the class to be extended // Method and property declarations @end To avoid method name clashes, it is recommended to use prefixes (like xyz_ in the example). If methods with the same name exist, it is undefined which one will...

inline: `Code between backticks` or <code>Code between these HTML tags</code> multiline: ____Code that is indented on each line or <pre><code>Multiple lines of code between these HTML tags</code></pre>

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...

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...

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...

_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 ...

ParameterDetailsappOur Express application referencebodyParserThe body-parser package reference for working with JSON encoded bodiesclientIdThe application client ID (OAuth 2 credentials)httpThe http package for running the serverpaypalThe PayPal Node SDK reference objectsecretThe application secre...

The properties object contains key and value pair both as a string. The java.util.Properties class is the subclass of Hashtable. It can be used to get property value based on the property key. The Properties class provides methods to get data from properties file and store data into properties file...