handles the functions used in JSON formatImport JSONJson.dumps (): Converts a dictionary or list to a JSON-formatted stringJson.loads (): Converts a JSON format string to a Python objectJson.dump (): Converts a dictionary or list into a JSON-formatted string and writes to a fileJson.load (): Reading JSON format strings from a file into a Python objectFront-end Processing:Converts a JSON format string to a JS objectJson.parse (' JSON format string ')Eval (' (' + JSON format string + ') ')Install
In general, the access rules for class instance properties are more intuitive in python.
However, there are still some areas that are not intuitive, especially for C + + and Java programmers.
Here, we need to understand the following areas:
1.Python is a dynamic language in which any entity can dynamically add or remove attributes.2. A class defines a scope.3. Class instances also introduce a scope, which is different from the scope defined by the
supported) the server does not support the HTTP protocol version used in the request.
Rewrite logo bit:
# # #Nginx URL rewrite will still be rewrite check, up to retry 10 times, if 10 times are still not terminated will return HTTP CODE 500###
Break: Stops rewrite detection, which means that when a rewrite statement containing a break flag is executed, the statement is the final result of the rewriteLast: Stop rewrite detection, but it is essentially different from the break, the end of the
Description
For the convenience of readers, the labels in this article use uppercase (according to XHTML rules, element names must be lowercase, such as Lowercase words indicate a group or series of HTML tags
Each entry (label) follows a list of labels and, if not, indicates that the entry (label) is not allowed to contain any labels inside. This means that the entry can contain only plain text content (#PCDATA, see below). If indicated (empty), this
Nginx to allow WordPress to support fixed-link pseudo-static rules
For Nginx to support WordPress fixed links is very simple, you need to add point configuration code:
Copy Code code as follows:
Location/{
if (-f $request _filename/index.html) {
Rewrite (. *) $1/index.html break;
}
if (-f $request _filename/index.php) {
Rewrite (. *) $1/index.php;
}
if (!-f $request _filename) {
Rewrite (. *)/index.php;
}
}
Then, restart the
solution:
1..htaccess pseudo-Static rule formulation
# root folder access pseudo static to Cunfang1
Rewriterule ^ ([a-z0-9a-z_\-]+) (/) $/cunfang1/$1/[L]
The above rules can have all access to the folder under the root directory of the Web site, pseudo static to the corresponding folder under Cunfang1.
2. Exclude certain directories, so that the first rule can not be useful, such as the site root directory of/data,/images and so on.
# root dire
18 Security rules for Asp+access databases:
1. First of all, we need to filter the content submitted by all clients, including the "Id=n", in addition to the operation of the database of select and ASP files in the submitted HTML code, you can escape the submitted word and then save it in the database.
2. Then you need to authorize access to the Access database page, for the Display data page can only use SELECT statements, filtering other upda
Nine analysis rules for website user data
No matter what profession you are engaged in, only hold the data to hold the user. For the site is the same, we only grasp the site's data to correctly analyze the user's behavior habits, love and users really need something. Don't say much, small series then describes how to correctly analyze Web site user data.
First, the source of the user.
1. Where do the users of our website come from? This data can be
Using abbreviations can help reduce the size of your CSS files and make it easier to read.
Using abbreviations can help reduce the size of your CSS files and make it easier to read. The main rules for CSS abbreviations are as follows:Color16 The color value of the binary, if the value of each two digits is the same, you can abbreviate half, for example:#000000可以缩写为 #000; #336699可以缩写为 #369;Box sizeThere are usually four ways to write:
property:valu
forms while taking the necessary steps in processing the form's PHP code. Also, even if you use a PHP regex to ensure that a get variable is entirely numeric, you can still take steps to ensure that the SQL query uses escaped user input. Defense in depth is not just a good idea, it can make sure you don't get into serious trouble. Now that the basic rules have been discussed, let's look at the first threat: SQL injection attacks.
Preventing SQL inje
I found some Baidu ranking rules, but this rule in the past has been found, but we do not actually to operate it. Because my company Guangzhou Li Yang Network technology is a website construction company, so the hands of more resources, so I found this rule, but also successfully operated a number of keyword optimization. Key words have foreign trade website construction, OB protein, noose fort, Gamboge fruit, Guangzhou do website, Kangxi Porcelain a
YSlow is a Yahoo American development of a page scoring plug-in, very good, from which we can see a lot of shortcomings on our page, and can know how we change but improve and optimize.
The grading rules of the next yslow are carefully studied.
There are 12 main articles:
1. Make fewer HTTP requests as few HTTP requests as possible ... We have 141 requests (15 JS requests, 3 CSS requests, 47 CSS background images requests), much scarier. Think abou
Every site will have some invalid pages, or even empty pages, these pages are very unfriendly to the user or the search engine, if the user came in to find this page what content no user will immediately close the page away, and search engine spiders crawl the site when the discovery of a large number of pages are not content will also affect the ranking and weight of our site. So we need to deal with these invalid pages, today to share with you the rules
site ranking gradually stabilized, Google will gradually determine the time to publish articles, thus giving a higher weight. This is the lone wind in Google's observation of the search engine rules. I hope you webmaster do not worry about copyright issues, Google will give you a solution. Of course, here is not to say A5 not, because A5 is too good, only lonely according to the wind site rankings.
This article starts in A5, originates from the Beij
Officers transferred Guevara rules are written to the control
Copy Code code as follows:
$ (). Ready (function () {$ ("#signupForm"). Validate ();});
Tips:The package must be introduced in the way class= ' {} ' is used: jquery.metadata.js
You can modify the hint by using the following methods:Class= ' {required:true,minlength:5,messages:{required: ' Please enter the content '}} '
When using the Equalto keyword, the followi
I. Rules of grammar
1. The variable must begin with a letter, an underscore (_), or a dollar character ($).
2. You can then use any number of English letters, numbers, underscores (_) or dollar characters ($) to make up.
3. Can not use JS keywords and reserved words.
Second, the example
VAR score;
score= "100";
Third, attention
1.JS is case-sensitive. such as variable score and score are not the same, quite two variables.
2. Although v
C + + header file naming rules, because C + + is developed from the language, in order to be compatible with C, C + + retains some of the provisions of C language, including the use of. h as a suffix of the header file, such as everyone familiar with: Stdio.h, MATH.H and String.h. But later Ansi/iso C + + recommended header file with no suffix ". h". But in order to enable the original C + + program to run, in C + + program header file can be used wit
To increase intimacy, first we need to know QQ space intimacy is how to calculate?
The value of intimacy includes the similarity of personal data, mutual exchange behavior, one-way interaction and joint participation.
Personal data refers to: education/work experience, birth age, Constellation/blood type, home, location, common friend/qq skirt numberThe exchange of visits refers to: in one months time, I visit friends (or friends to visit me) space or the number of published content;One-
Image:
' this.width= '); "border=0>
So far, the matching rules for the Content section of the article are determined:
Copy Code code as follows:
Page matching and filtering is done below:
Step one: Determine the page-matching code
Compare one of the following four graphs:
Example
' this.width= '); "border=0>
' this.width= '); "border=0>
Goal
' this.width= '); "border=0>
' this.width= '); "border
xml| Web page | grammar
The syntax rules for XML are simple and rigorous, and are easy to learn and use. Because of this, it is also relatively easy to write software that reads and operates XML.
An example of an XML document
XML documents use self-describing and simple syntax.
Line 1th of the document: XML declaration--defines the version of the XML standard that this document follows, in this case the standard for version 1.0, using the Iso-8859
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