what is meaning of netiquette

In the smarty template file tpl, what is the meaning of "| h" after the variable name when writing and outputting? for example: lt; p nbsp; gt; lt; input nbsp; typetext nbsp; disableddisabled nbsp; namestate nbsp; value lt ;! -- {$ ArrForm. state | h} -- gt what is

See some trait introduction, also see in the framework. But feel trait do things, with interface can also do? Personally feel that each trait implementation of the functions are very concentrated, but also very light, this is very good, but some of the class may have to use a few trait at the same time, and if you inherit the class at the same time, the implementation of the interface, and it contains coverage, it

I'm looking at the startup process of Yii2, where application's parent constructor is written like this; I want to ask the last sentence component::__construct ($config) What is the special meaning of the call here? public function __construct($config = []) { Yii::$app = $this; $this->setInstance(

Ask the Cainiao about the meaning of the php template tag nbsp; lt; div nbsp; id = "tab_c6" nbsp; class = "tab_c nbsp; pd10 nbsp; cl " gt; nbsp; nb Cainiao ask for the meaning of the php template label Excuse me What does the intermediate template tag () mean? I only know what the passed parameters mean, but

label can be better to describe it, what is the label. add: web crawler, SEO and other concepts Seo:search engine optimization--search engine optimization, which is a search engine to take advantage of the rules, the adoption of optimization strategies or procedures to improve the site in search results rankings.Network crawler: Also known as network spider, Net

One, the normal for loop we have been exposed to a lot, as below, we all understand int [] tt = {1,2,3,4,5,6 }; for (int16; i++) { Console.WriteLine (tt[i]); } Two, but for (;;) What does it actually mean?Meaning: For parentheses, the content before the first semicolon is executed before the first lo

A very small problem has been dealt with today. The requirement is that, from Monday to Sunday, you can only see data from Monday to Sunday. Here, you can query the range directly from the database based on the Date field. But you need PHP to generate a start date and an end date. In the beginning, I dealt with it directly. Copy the Code code as follows: $start _date = Date (' y-m-d ', Strtotime ("-2 week Monday"));$end _date = Date (' y-m-d ', Strto

When installing the FileInfo extension under Linux, what is the meaning of the following error message (hundred spent, can not find the answer) [ROOT@AY130324201613791BCA fileinfo-1.0.4]# pecl Install FileinfoWARNING: "Pear/fileinfo" is deprecated in favor of "channel://php-src/ext/fileinfo/in PHP sources"Warning:chan

. Five hundred years later, he was originally someone else's man, zhou xingchi's proposal to draw a heart on the dual-knife Turkey is not willing to die. It is an irony of a woman. For a woman, no matter how loyal she is, how responsible she is, how smart she is, multi-energ

What is the meaning of $this in thinkphp? Reply content: What is the meaning of $this in thinkphp? $this is the current object reference, it's PHP, it doesn't matter with thinkp

constructor A to find, finally found A.prototype.whatever, so it returned to B.prototype whatever, and then returned to B.whateverThis realizes the inheritance relationship of the prototype chain.B.whatever==b.prototype.whatever==a.prototype.whateverThe purpose of this is that B completely inherits the thing of a, as long as there is a prototype, B's instance (generated by new B) can be obtained.However, m

In C #?? What's the meaning of the distinction?1. Nullable type modifier (? ):A reference type can use a null reference to represent a value that does not exist, and a value type usually cannot be represented as empty. For example: string str=null; is correct, int i=null; the compiler will error. To make a value type nullable, you can use a nullable type, which is