corresponding element in the array based on the given subscriptCount gets the number of array elementsFirstobjectLastobjectContainsobject determines whether an object is in an arrayIndexofobject find the subscript of an object in an arrayIsequaltoarray to determine if an array is equalNsmutablearray variable ArrayInitwithcapacity Creating an arrayAddObject adding elements to the arrayInsertobject:atindex inserted at the subscript of the original arrayRemovelastobject Delete last ElementRemoveob
The VS installation location requires the path to be in English and is located under the program Files (x86) folder.Download Tool Vs_professional.exe:https://pan.baidu.com/s/1jhrjiia. NETCompilers, build tools, and run-time Code Tools Commissioning and testing Simulator Development activities Simulator Games and graphics Cloud, database, server SDKs, libraries, and frameworks . NET Environment Exception repair. NET Environment Checklist
it's okay to be a small dessert3http://sebug.net/paper/books/dive-into-python3/This is the first I read ~ I personally think that if you just want to see the grammar and so on, you can refer to the following to see ~ relatively easy to read.I personally think this is a general study material, learn grammar and other use.There is also to see you use the version of Python, which is also a careful talk about the 2 and 3 need to pay attention to the place.4Some books:"Python core Programming""Cute
)
Xpath (basic positioning to understand, the contents of the axis can be left behind to learn)
CSS (easy to understand)
JavaScript (easy to understand)
Firebug (Developer tools) use (this is often used, must be familiar with, can be in selenium learning gradually in depth)
Basic knowledge of the network
3. Write your own
Ted GraHam mentions 39 checklist, and I think it's a pretty comprehensive summary.
Are exceptions used to indicate error rather than status or error returning?
Using exceptions to be just an error instead of using a state or an error code value
Are all classes and public methods commented with. NET style comments?? Note that comments should discuss the "what" to public methods.? Discussion of "How" should is in blocks or in-line with the code in ques
poorly run applications outweigh the investment in human, program, and technology using reliable load testing methods. Therefore, I would like to provide the following list of load tests for your application, which will be a magic bullet to prevent your SQL Server performance tuning problem.
Checklist: Load test--sql server performance Tuning Magic Wand
Project Management
Balance project management methodologies to ensure that projects follow a de
Areas of color and font test inclusion
Users use Web products to obtain a large number of data information, the display of this information, including graphics and text two parts. In the process of rendering graphics and text to the user, colors and fonts play a very important role. Reasonable color and font settings ensure that users get the information they need in the most efficient and clear manner, and if the color and font settings are not properly set, users will spend more time getting
such a train of thought, when the server is normal, send an email notification, if not received the message that the server is not normal, but if there are many servers, how to know who did not send e-mail it? 2. deployed on a dedicated / Multi-monitor machine Server status monitoring, whether using a third-party tool or a custom script, is recommended to be deployed on a dedicated monitoring machine to monitor the target machine remotely. Because: if the server down or failure, may be the loc
SQL Optimization Checklist1. If the FROM statement contains more than one table, put the table with the few records in front2. When a where statement contains more than one condition, it will be brushed in front of many conditions3, avoid using SELECT *, because this will be to query all columns of data, which will consume more time4. On all fields used in the where and join parts of the SQL statement, the index should be added5, SQL is case insensitive language, but the specification is upperca
bzoj4745: [Usaco2016 dec]cow Checklist Time
limit:10 Sec Memory limit:128 MBSubmit:1 solved:1[Submit] [Status] [Discuss]
Descriptionevery Day, Farmer John walks through he pasture to check in the well-being of each of your his cows. Onhis Farm He has breeds of cows, Holsteins and guernseys. His HH Holsteins is conveniently numbered 1 ... H, and his GG guernseys is conveniently numbered 1 ... G (1≤h≤1000,1≤g≤1000). Each Cowis located at a poin
integration into the project, along with the project to advance. Performance is best characterized by quantifiable, measurable, and customizable features. The network is becoming more and more complex and monitoring the network becomes more and more difficult because the monitoring process is greatly affected by the performance implications of devices, browsers, protocols, network types, and other technologies (CDN,ISP, caches, proxy servers, firewalls, load balancers, and servers).Below is a 2
PCI DSS and Cloud Primer
The news is always full of major accidents such as customer credit card information leaks. The payment card Industry Data Security Standard (PCI DSS) presents best practices to protect against hacker attacks that are dangerous to steal business data and customer identity information. By using these 12 steps, you can set up a framework that can be used for secure payment environments.
If your company stores, processes, and transmits data to the cardholder in the cloud,
14 Information Management 2 class Donna (responsible for form design and part code writing and checking procedures) Van Yaya (part code and check procedure and write code review checklist)1. Overview section(1) Can the code meet the requirements and specifications?Answer: Can(2) Does the code design have thoughtful consideration?Answer: Yes(3) What is the readability of the code?Answer: Can read(4) is the code easy to maintain?Answer: can run out(5) D
This article is a translated version, please see the original Https://www.owasp.org/index.php/DOM_based_XSS_Prevention_Cheat_SheetIntroductionSpeaking of XSS attacks, there are three accepted forms of Stored, reflected, and DOM Based XSS.XSS prevention Cheatsheet can effectively solve Stored, reflected XSS attacks, this checklist solves the DOM Based XSS attack, is an extension of XSS prevention Cheatsheet.To understand Dom Based XSS attacks, you need
ArticleDirectory
System elements affected by changes
Impact analysis checklist for requirements changes Requirement change impact analysis Checklist
Implications of the proposed change implied in the proposed change
O identify any existing requirements in the baseline that conflict with the proposed change.Identify all requirements in the baseline that conflict with the proposed requirem
This list may be useful to all friends who want to go out, especially those who often go out.
I did not travel a lot, but I always found that I forgot this and lost it. Therefore, with the help of many friends, I sorted out this checklist )". This checklist is designed to help you organize luggage bags (Compare this table to determine the list of items you want to bring, and mark each prepared item.And the
I think we shoshould together in the community create a big checklist of things to think of, especially regarding performance, when it comes to 2D games for the iPhone done with unity. if you write your tips here I cocould summarize them here. and once we get the list growing we shoshould make this a sticky! What do you think?
The things that are currently on my list:
* Use an ortographic camera if you want everything to be completely flat. however
Scope of user availability and access control testing
User availability and access control are two sides of a user's access to the data process. From the usability point of view, users want to have an open environment, easy and accurate access to their desired information; from the point of view of access control, it is necessary to ensure that user access to the data is strictly controlled, and only authorized users can access the corresponding data. These two aspects are exactly the two aspec
The MySQL batch checklist script moved the database on one server to another without knowing mysqlcheck. I want to see which table is damaged and do not want to execute it one by one on the command line, the following is my script
#! /Bin/bashPass = "123456" # root's passwordData_path = "/home/mysql" # mysql's datadirCd $ data_pathFor f1 in $ (ls)DoIf [-d $ f1]; thenIf ["mysql "! = "$ F1"-a "test "! = "$ F1"]; then # inCd $ f1Echo "I'm in" $ f1For
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