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One feature of functional programming is that it allows the function itself to be passed as a parameter to another function, and also allows the return of a function Http://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000/

Several nice functions in js $ () The Code is as follows: Function map (a, f) {f ();}Function getRand (a, B){If (){B = B? B: 0;Return Math. floor (Math. random () * a + B );} Else{A = new Date ();Return d. getTime ();}}Function $ (a) {document.

Change in place, fast:The first way:>>> a=[1,2,3]>>> B=a>>> a.extend ([4,5])>>> A[1, 2, 3, 4, 5]>>> b[1, 2, 3, 4, 5]The second way:>>> a=[1,2,3]>>> B=a>>> a+=[4,5]>>> A[1, 2, 3, 4, 5]>>> b[1, 2, 3, 4, 5]Merge:>>> A[1, 2, 3]>>> B=a>>> A=a+[4]>>> A[1,

13th chapter for And while Loops1.for is executed faster than while, and the author of the Python Learning Manual has been re-starting to emphasize this, never too wordyThe use of 2.for is particularly numerousA.for x in list: Similar to foreach in

This article introduces the examples of advanced use of javascript closures. If you have any need, refer to the extension. Code: The Code is as follows: Var blogModule = (function (my ){My. AddPhoto = function (){// Add internal code};Return my;} (

Module mode is a common encoding pattern for JavaScript. This is a general understanding, but there are some advanced applications that don't get much attention. In this article, I'll review the basics, browse some good advanced techniques, and even

The Module mode is a very common mode in JavaScript programming. Generally, everyone knows the basic usage. This article attempts to give you more advanced usage of this mode. The Module mode is a very common mode in JavaScript programming.

JQuery-1.9.1 source code analysis series (16) ajax-response data processing and api sorting, jquery-1.9.1ajax After ajax receives a request response, it mainly performs two processes: obtaining the response data and converting the data using the

This article mainly introduces Effect: the figure is moved once every five seconds (in fact, a new figure is drawn) to display the monitored cpu information. The pastCpuInfomation function is used to display a line chart. The updateCpuPic function

1. view TCP connection status netstat-nat | awk '{print $6}' | sort | uniq-c | sort-rnnetstat-n | awk '/^ tcp/{++ S [$ NF]}; END {for (ainS) printa, S [a]} 'netstat-n | awk'/^ tcp/{++ state [$ NF]}; END {for (keyin 1. View TCP connection

Python's data types include basic data types such as: Integer, Float, String, string and advanced data types such as lists, tuples, dictionaries, set,forzensets. I. Integral typePython can handle integers of any size, including negative integers.In

For more information on print and import, use the comma output>>> print ' Age: ', 42Age:42>>>(1, 2, 3)>>> Print1 2 3>>> print (+/-)(1, 2, 3)>>> name= ' Gumby '>>> salutation= ' Mr. '>>> greeting= ' Hello, '>>> print greeting, salutation, nameHello,

Today decided to learn Ajax asynchronous XMLHttpRequest object, usually always use Jquery.ajax () is all right, When you want to achieve a set of the details of the matter is found!jquery source is really profound and beautiful; First look at the

This article describes how to obtain the size of a specified object in JavaScript, which involves related techniques related to element traversal and attribute operations in javascript, for more information about how to use JavaScript to obtain the

What is a CC attack? CC attacks use a large number of proxy servers to initiate a large number of connections to the target computer, resulting in depletion of the target server resources and DOS. So how can we determine whether to query CC attacks?

Profiling SSTI in Flask/Jinja2 AnalysisPart 1 If you have never heard of a server template injection (SSTI) attack, or do not know much about it, you are advised to read this article written by James Kettle before continuing to read this article. As

In the network, we often see some of the jar packages that are automatically converted to JavaBean by JSON, and the people in the project group are using it, and a little research is done by reflection. I carefully think of the logic inside, I think

This article mainly introduces python's method for counting ip address records of logs, which involves Python operation log files and related techniques of Regular Expression matching. It is of great practical value, for more information about how

This technique is widely used in Form Verification, syntax highlighting, and hazardous character filtering. If a paragraph is long and we don't want to replace it as below, we have to find a solution. The Code is as follows: Str = str. Replace (/&

First,pc-side, with cookiesWindow.onload = function () {Document.cookie = "usercode=291382190";Document.cookie = "id=007";}；Second , mobile storage, with Web Stroage(1) Localstorage; session time, browser Close is gone, temporary save(2)