Tutorial by Examples: l

<?php echo get_bloginfo( 'description' ); ?> Output Just another WordPress site Based on these sample settings

Bold Text To bold text, use the <strong> or <b> tags: <strong>Bold Text Here</strong> or <b>Bold Text Here</b> What’s the difference? Semantics. <strong> is used to indicate that the text is fundamentally or semantically important to the surrounding...

The <mark> element is new in HTML5 and is used to mark or highlight text in a document "due to its relevance in another context".1 The most common example would be in the results of a search were the user has entered a search query and results are shown highlighting the desired quer...

To mark text as inserted, use the <ins> tag: <ins>New Text</ins> To mark text as deleted, use the <del> tag: <del>Deleted Text</del> To strike through text, use the <s> tag: <s>Struck-through text here</s>

Standard Collections Java Collections framework A simple way to construct a List from individual data values is to use java.utils.Arrays method Arrays.asList: List<String> data = Arrays.asList("ab", "bc", "cd", "ab", "bc", "cd"); ...

If you are using the PASSWORD_DEFAULT method to let the system choose the best algorithm to hash your passwords with, as the default increases in strength you may wish to rehash old passwords as users log in <?php // first determine if a supplied password is valid if (password_verify($plaintex...

Spoilers are used to hide text or images that would otherwise negatively impact another user's experience. They can be created using >! >!This is hidden until your cursor hovers on top of it This is hidden until your cursor hovers on top of it Note: This is not part of standard markup...

Markdown tables are physically represented using dash - for to separate the header row from the content ones and pipe | for columns. ColumnColumnCellCell is produced by Column | Column ------ | ------ Cell | Cell You can also populate a table in any way you want - LetterDigitCharactera4...

What follows is an excerpt from a REPL session with Common Lisp in which a "Hello, World!" function is defined and executed. See the remarks at the bottom of this page for a more thorough description of a REPL. CL-USER> (defun hello () (format t "Hello, World!~%")...

Unlike classes, which are passed by reference, structures are passed through copying: first = "Hello" second = first first += " World!" // first == "Hello World!" // second == "Hello" String is a structure, therefore it's copied on assignment. Structu...

Add the following to a file named build.xml in your project directory: <?xml version="1.0" encoding="UTF-8"?> <project name="HelloWorld" default="main"> <target name="main" description="this is target main"> ...

Declare a new variable with var, followed by a name, type, and value: var num: Int = 10 Variables can have their values changed: num = 20 // num now equals 20 Unless they're defined with let: let num: Int = 10 // num cannot change Swift infers the type of variable, so you don't always ha...

Lazy stored properties have values that are not calculated until first accessed. This is useful for memory saving when the variable's calculation is computationally expensive. You declare a lazy property with lazy: lazy var veryExpensiveVariable = expensiveMethod() Often it is assigned to a retu...

Local variables are defined within a function, method, or closure: func printSomething() { let localString = "I'm local!" print(localString) } func printSomethingAgain() { print(localString) // error } Global variables are defined outside of a function, method, or c...

The following is handy to have in build logs that identifies the build machine, and some parameters; simply make you main task depend on this task to print it before every build. <!-- Print Environment Info --> <target name="environment"> <!-- Get the current ti...

Generally, Math functions that are given non-numeric arguments will return NaN. Math.floor("a") The square root of a negative number returns NaN, because Math.sqrt does not support imaginary or complex numbers. Math.sqrt(-1)

- (void)methodWithBlock:(returnType (^)(paramType1, paramType2, ...))name;

Following ways can be used for joining lists without modifying source list(s). First approach. Has more lines but easy to understand List<String> newList = new ArrayList<String>(); newList.addAll(listOne); newList.addAll(listTwo); Second approach. Has one less line but less readab...

Output buffering allows you to store any textual content (Text, HTML) in a variable and send to the browser as one piece at the end of your script. By default, php sends your content as it interprets it. <?php // Turn on output buffering ob_start(); // Print some output to the buffer (via...

In this example, we have an array containing some data. We capture the output buffer in $items_li_html and use it twice in the page. <?php // Start capturing the output ob_start(); $items = ['Home', 'Blog', 'FAQ', 'Contact']; foreach($items as $item): // Note we're about to step &q...