Tutorial by Topics: d

VersionRelease Date1.9.32016-05-161.9.52016-12-11

See also I/O for geographic data

Most command line tools rely on arguments passed to the program upon its execution. Instead of prompting for input, these programs expect data or specific flags (which become booleans) to be set. This allows both the user and other programs to run the Python file passing it data as it starts. This s...

SELECT * FROM table WHERE (condition1) AND (condition2); SELECT * FROM table WHERE (condition1) OR (condition2);

'() → () '(1 2 3 4 5) → (1 2 3 4 5) '(1 foo 2 bar 3) → (1 'foo 2 'bar 3) (list 1 2 3 4 5) → (1 2 3 4 5) (list* [1 2 3 4 5]) → (1 2 3 4 5) [] → [] [1 2 3 4 5] → [1 2 3 4 5] (vector 1 2 3 4 5) → [1 2 3 4 5] (vec '(1 2 3 4 5)) → [1 2 3 4 5] {} => {} {:keyA 1 :keyB 2} → {:keyA 1 :keyB 2} ...

MySQL has some special names called reserved words. A reserved word can be used as an identifier for a table, column, etc. only if it's wrapped in backticks (`), otherwise it will give rise to an error. To avoid such errors, either don't use reserved words as identifiers or wrap the offending ident...

Laravel supports Blade templating engine out of the box. The Blade templating engine allows us to create master templates and child templating loading content from master templates, we can have variables, loops and conditional statements inside the blade file.

ParameterDetaillimitThe parameter of the C# method. You supply the argument via the Page Method.onSuccessThe JavaScript function that is executed when the Page Method call is successful.onErrorThe JavaScript function that is executed when there is an error in the Page Method call. More than one...

This section provides an overview of what google-chrome-devtools is, and why a developer might want to use it. It should also mention any large subjects within google-chrome-devtools, and link out to the related topics. Since the Documentation for google-chrome-devtools is new, you may need to c...

A Handler can be easily used to execute code after a delayed amount of time. It is also useful for executing code repeatedly after a specified amount of time by calling the Handler.postDelayed() method again from within the Runnable's run() method.

int readfile ( string $filename [, bool $use_include_path = false [, resource $context ]] ) ParameterDescriptionfilenameThe filename being read.use_include_pathYou can use the optional second parameter and set it to TRUE, if you want to search for the file in the include_path, too.contextA ...

const readline = require('readline') readline.close() readline.pause() readline.prompt([preserveCursor]) readline.question(query, callback) readline.resume() readline.setPrompt(prompt) readline.write(data[, key]) readline.clearLine(stream, dir) readline.clearScreenDown(stream) readline.c...

This section provides an overview of what spring-security is, and why a developer might want to use it. It should also mention any large subjects within spring-security, and link out to the related topics. Since the Documentation for spring-security is new, you may need to create initial version...

Grails is a very powerful rapid application development (RAD) framework, for the Java platform aimed at multiplying developers’ productivity thanks to a Convention-over-Configuration, sensible defaults and opinionated APIs. It integrates smoothly with the JVM and the Groovy language allowing you t...

When using method swizzling in Swift there are two requirements that your classes/methods must comply with: Your class must extend NSObject The functions you want to swizzle must have the dynamic attribute For a complete explanation of why this is required, check out Using Swift with Cocoa...