javascript underscore

Today I read a book and wrote several functional methods for underscore. 1 Functions in underscore

Return a copy of the array with falsy values removed public function compact ($collection =null) { list ($collecti ON) = Self::_wrapargs (Func_get_args (), 1); $collection = Self::_collection ($collection); $__ = new Self; Return Self::_wrap ($__->select ($collection, function ($val) { return (bool) $val; })); } function ($val) { Code from PHP underscore, this place error, does not seem to be able to do parameters. Rep

;func (); Wenyi So, how do you implement the Bind and Bindall functions? function bind (obj, func) {return function () {return func.apply (obj, Array.prototype.slice.call (arguments)); };} function Bindall (obj) {var funcs = Array.prototype.slice.call (arguments, 1); for (var i = 0; i Bind is implemented by using the Apply method The implementation of Bindall is to use bind to reassign all methods Finally, attach a practical use to the complete example :function person (na

Named rulesAdd one for privateAdd two is usually the system default, the system is predefined, that is, the so-called:====================="Magic Method" and "Magic constant"=====================★php constants that start and end with double underlines are "Magic constants":The current line number in the __line__ file.The full path and file name of the __file__ file.The directory where the __dir__ file resides. If used in the included file, returns the directory where the included files are locat

It's another day, and the code is often missed! Underscore array Methods

Php converts an upper-case name to an underscore (_) to a separated name, and a php underline Sometimes you need to convert the uppercase letters in a string to the lowercase letters (_ +). This problem occurs when naming variables. You can directly run the following code: $ Name = 'apppromozhongqiu2014activestatusselector '; echo cc_format ($ name); function cc_format ($ name) {$ temp_array = array (); for ($ I = 0; $ I

At the same time we found that when we visited the variables we declared, there was self. And the way of access that begins with "_", what is the difference between these two ways?Let's take a look:@property (retain, nonatomic) NSMutableArray *nameArray;self.nameArray是访问属性的,而_nameArray是访问实例变量的.property is an integration of instance variables plus the Get,set method, and he is primarily responsible for an external access to an interface!Instance variables can only be accessed in this class and ca

Definition and usage The __construct () function creates a new SimpleXMLElement object. If successful, the function returns an object. If it fails, it returns false. Grammar __construct (Data,options,is_url,ns,is_prefix) Parameters Description Data Necessary. The path or URL of a well-formed XML string or XML document. Options Optional. Specifies the additional Libxml parameters. Is_url Optional. Specifies whether the data paramete

The PHP form submission control name contains a period (.), which is converted to an underscore. Recently, when I was working on a company project, I found a strange problem. when I submitted a normal form, I found that the submitted value could not be obtained normally, I found a strange problem when I was working on a company project recently. I submitted a normal form and found that the submitted value could not be obtained normally, I was confused

CI (CodeIgniter) framework, routes.php set correctly, but display server error, is __construct less write an underscore

Recently encountered a problem, when using TP to do the system, I built the table is "Tp_admin_user" but to use the model is "AdminUserModel.model.class.php", how should I do?Workaround:phpnamespace Admin\model; Use Think\model; class extends model{ protected$tableName = ' admin_user '; does not contain table prefixes protected$trueTableName = ' tp_admin_user '; include table prefix }Look at the details:http://Document.thinkphp.cn/manual_3_2.html#define_modelthinkphp If the table

When I was working on a company project recently, found a strange problem, submit a normal form, unexpectedly found that can not get the value of the submission, this discovery, unavoidably let me start confused, at the beginning of time I think that my service is problematic, not normal to write to the database, and then detect the SQL statement found, The original problem actually appeared in the acquisition of data, get to the data is empty, and later a debugging found that the original submi

Match any white space character \s Match any non-whitespace character \w Matches any character and number. The difference between the character and [: Alnum:] is \w including the underscore character \w Match any non-empty string * Wildcard characters. Finds records that contain 0 or more occurrences of a given subexpression in the text + Finds records that contain 1

Import dependency Class Library: lt ;! -- Dependencies -- gt; lt; scripttype quot; text/javascript quot; src quot; dependencies/jquery-1.7.2.min.js quot; gt; lt;/script gt; lt; scripttype quot; t Import the dependency Class Library:

These underscores, underscores, and other styles are all part of the HTML physical font (physical style) It's a nice day today. It's a nice day today. It's a nice day today. It's a nice day today. It's a nice day today. It's a

Recently, when I was working on a company project, I found a strange problem. When I submitted a normal form, I found that the submitted value could not be obtained normally, I was confused at the beginning. At the beginning, I thought it was a

1. First, we press the Win7 flagship computer keyboard Win+r shortcut to open the computer's running window, in the Open Run window, we enter regedit and click Enter, so that you can open the Win7 Flagship System Registry Editor window. 2.

The definition and Usage __construct () function creates a new SimpleXMLElement object. If the succeeds, the function returns an object. If it fails, it returns false. Syntax __construct (data,options,is_url,ns,is_prefix)

Recently, when I was working on a company project, I found a strange problem. When I submitted a normal form, I found that the submitted value could not be obtained normally, I was confused at the beginning. At the beginning, I thought it was a

# % Represents any number of characters Select*FromUserWhereUsername like '% huxiao '; Select*FromUserWhereUsername like 'huxiao % '; Select*FromUserWhereUsername like '% huxiao % '; # _ Represents a character Select*FromUserWhereUsername like '_';