Tutorial by Topics: s

Portable Document Format (PDF) is a file format used to present and exchange documents reliably, independent of software, hardware, or operating system. Invented by Adobe, PDF is now an open standard maintained by the International Organization for Standardization (ISO). PDFs can contain images, l...

CREATE [DEFINER = { user | CURRENT_USER }] TRIGGER trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW [trigger_order] trigger_body trigger_time: { BEFORE | AFTER } trigger_event: { INSERT | UPDATE | DELETE } trigger_order: { FOLLOWS | PRECEDES } other_trigger_name Two...

Before the release of Meteor 1.3, Meteor developers were frustrated with Meteor.js' handling of file dependencies and global variables. In response, Meteor set new standards for project structures in order to make the project dependency system more streamlined. This topic explains the standardized p...

Pivot query creation in MySQL relies upon the GROUP_CONCAT() function. If the result of the expression that creates the columns of the pivot query is expected to be large, the value of the group_concat_max_len variable must be increased: set session group_concat_max_len = 1024 * 1024; -- This sho...

Status CodeReason-Phrase — Description100Continue — the client should send the following part of a multi-part request.101Switching Protocols — the server is changing the version or type of protocol used in this communication.200OK — the server has received and completed the client's request.201Crea...

f(n) = ... function f(n) ... end n::Type x -> ... f(n) do ... end Aside from generic functions (which are most common), there are also built-in functions. Such functions include is, isa, typeof, throw, and similar functions. Built-in functions are typically implemented in C instead ...

camelCase <=> kebab-case When defining the names of your props, always remember that HTML attribute names are case-insensitive. That means if you define a prop in camel case in your component definition... Vue.component('child', { props: ['myProp'], ... }); ...you must cal...

let name = json["name"] as? String ?? "" // Output: john let name = json["name"] as? String // Output: Optional("john") let name = rank as? Int // Output: Optional(1) let name = rank as? Int ?? 0 // Output: 1 let name = dictionary as? [...

about_Remote about_RemoteFAQ about_RemoteTroubleshooting

An expression can be explicitly converted or cast to type T using dynamic_cast<T>, static_cast<T>, reinterpret_cast<T>, or const_cast<T>, depending on what type of cast is intended. C++ also supports function-style cast notation, T(expr), and C-style cast notation, (T)expr. ...

config.vm.provision "shell", inline: COMMANDS config.vm.provision "shell", path: "relativePath/script.sh" ParameterDetailsCOMMANDSThe shell commands to run. Can be a string (e.g. "echo \"Hello, World!\"") or a string variable (e.g. $setup). ...

Inside a specific node: {path-to-parent}/name()='search string'] Anywhere in the document: //*[name()='search string'] functionreturn valuelocal-name()the node's name without prefix local-name() result does not include prefix (lookup name() XPATH function for it)