Tutorial by Examples: e

You can create and configure build types in the module-level build.gradle file inside the android {} block. android { ... defaultConfig {...} buildTypes { release { minifyEnabled true proguardFiles getDefaultProguar...
To create a blank image, use the imagecreatetruecolor function: $img = imagecreatetruecolor($width, $height); $img is now a resource variable for an image resource with $widthx$height pixels. Note that width counts from left to right, and height counts from top to bottom. Image resources can al...
An image can be created using image* functions, where * is the file format. They have this syntax in common: bool image___(resource $im [, mixed $to [ other parameters]] ) Saving to a file If you want to save the image to a file, you can pass the filename, or an opened file stream, as $to. If ...
<ItemGroup> <DataToCopy Include="*.cs;*.aspx" /> </ItemGroup> <Copy SourceFiles="@(DataToCopy)" DestinationFolder="SourceCopiedFolder" />
Software and hardware prerequisites for installation of BizTalk Server (All versions) Software requirements 1. Development environment Below software tools are required for BizTalk environment, not all of them are needed, but having all might add some advantage for developing BizTalk applications...
A Haskell's Functor allows one to map any type a (an object of Hask) to a type F a and also map a function a -> b (a morphism of Hask) to a function with type F a -> F b. This corresponds to a Category Theory definition in a sense that functor preserves basic category structure. A monoidal ca...
See discussions in "GRANT" and "Recovering root password".
Usually this means that the Master crashed and that sync_binlog was OFF. The solution is to CHANGE MASTER to POS=0 of the next binlog file (see the Master) on the Slave. The cause: The Master sends replication items to the Slave before flushing to its binlog (when sync_binlog=OFF). If the Master cr...
Check for a Firewall issue blocking port 3306. Some possible diagnostics and/or solutions Is the server actually running? "service firewalld stop" and "systemctl disable firewalld" telnet master 3306 Check the bind-address check skip-name-resolve check the socket.
1067 This is probably related to TIMESTAMP defaults, which have changed over time. See TIMESTAMP defaults in the Dates & Times page. (which does not exist yet) 1292/1366 DOUBLE/Integer Check for letters or other syntax errors. Check that the columns align; perhaps you think you are putting i...
It may be helpful to include additional information with an exception, e.g. for logging purposes or to allow conditional handling when the exception is caught: class CustomError < StandardError attr_reader :safe_to_retry def initialize(safe_to_retry = false, message = 'Something went wro...
Emoji are quite popular with social media these days. ☃: U+2603 — SNOWMAN 😀: U+01F600 — GRINNING FACE 🐪: U+01F42A — DROMEDARY CAMEL Note that most emoji are outside the Basic Multilingual Plane. A lot of newer additions consist of more than one code point: 🇯🇵: A flag is defined as a p...
There are a few common symbols in use: copyright sign ©, and trademark signs ® ™ fractions like ¼ superscripts. For instance, a shorthand for square meters is m².
fork() is a system call. fork is used to create a child process from the running process, which is a replica of the parent process(Process which executed fork() ). Child process is derived from the parent process. Both the parent and child have different address space, each is independent of the cha...
If you want to set some alias name to installed node version, do: nvm alias <name> <version> Similary to unalias, do: nvm unalias <name> A proper usecase would be, if you want to set some other version than stable version as default alias. default aliased versions are loade...
In this example we create a new list element with the text "new text", and select the first unordered list, and its first list element. let newElement = document.createElement("li"); newElement.innerHTML = "new text"; let parentElement = document.querySelector(&quo...
In this example we create a new list element with the text "new text", and select the first unordered list, and its first list element. let newElement = document.createElement("li"); newElement.innerHTML = "new text"; let parentElement = document.querySelector(&quo...
An element can be removed by calling remove() on it. Alternatively, one can call removeChild() on its parent. removeChild() has better browser support than remove(). element.remove(); element, and all its childnodes, are removed from the DOM. parentElement.removeChild(element); element...
There are several ways of getting the data that you will bind to the DOM elements. The simpler one is having your data in your script as an array... var data = [ ... ]; But D3.js allows us to load data from an external file. In this example, we will see how to properly load and deal with data fr...
You can create ACL by using Phalcon\Acl\Adapter\Memory class: $acl = new Phalcon\Acl\Adapter\Memory(); By default phalcon allows action to resource which has not been defined, to change this you can use: $acl->setDefaultAction(Phalcon\Acl::DENY); Roles can be added in two ways - using Pha...

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