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About technical questions and answers

Welcome to the CSDN Q & a channel, which is a professional, dynamic, and shared program developer community. CSDN forum with respect to the atmosphere of discussion is different, CSDN Q & a channel is the use of community resources for developers to provide rapid and accurate solutions to the technical problems encountered by developers. Here, you will understand and meet many it fellow traveler, everyone together to learn and progress; here, the programmer is the protagonist, you are the hero!

If you having a difficult technical problem in the work and study, and try to share in CSDN quiz channels, we will these issues pushed to technical experts in related fields, the experts will be fast and accurate to provide you with solutions, you solve the problem at the same time, also harvest to the new knowledge.

How to put forward effective problems

Just as you want others to answer simple, accurate, and others want you to clearly understand the problem. Therefore, questions are: the principle of quiz channels is simple and clear without them, when necessary, attached to the code.

Description of the problem before

Be sure to have enough time to think independently.

Try to learn how to think independently and solve problems, even if you can not completely rely on their own to solve the problem, independent thinking will make you more clear;

Make sure you have a new problem

In many cases, you encounter problems before others have already met and solutions, before asking a question, be sure to look at the search. Otherwise, the space occupied by a large number of repeat the question, for any people are a waste.

Are you sure you don't need a reward?

"Offering a reward to the question" is the CSDN Q & a channel to your special benefits Oh, just a C currency, you can let your problems get more exposure, higher attention, faster answer, may wish to try?

Problem description specification

We will prompt you to re edit the problem

The problem is meaningless: "Ask", "I want to ask", "God please help", "seeking CSDN you bull", "thank you" and has nothing to do with the problem of additional language please don't add in question. For example: my new, ask God to help us, no memory leaks, but the tableviewcell data source memory refresh continued to rise Editor: memory is not leaked, but the tableviewcell data source refresh memory continued to rise. Redundant ceremony does not make you faster, and get the answer, the timely adoption of the answer is repartee doubt one of the greatest respect.

No amount of information in the title: "Has anyone ever been in this situation? Help come in and see". This form of the problem will increase the difficulty of other people's reading, it is not conducive to you get the answer as soon as possible. As far as possible to refine the main problem into the title, so that other users can pay attention to your problem.

Did not add the correct technical tags (tag): The correct tag, very important! You add the tag, the decision problem for the pushing direction, can accurate pushed to the related field of "enthusiasm", so that more concerned about this label users browse to this problem that will determine the answer questions by the accuracy and timeliness.

Question not allowed to appear in the question and answer

Problems with existing problems;

Is not a problem: "Hello, everyone," I'm sorry, this will be deleted...

There is no clear answer, emphasis on the investigation of the problem: "C and Java, which is better?" Are you sure you didn't come to a fight?

Vent personal emotional problems: "XX this enterprise why not go to die?" Sorry, we can't find the answer for your question.

Advertising, recruitment, job hunting, dating, seeking business partners;

Other content that is not allowed;

Can I edit and delete my own issues?

If you do not have any replies to the issue, you have the right to delete the problem. However, when the problem has been the case, we do not think that the problem only belong to you, you do not have the right to delete the problem. If there is a need to remove the need to solve the customer service.

Users have permission to edit their own problems at any time, regardless of whether the problem has been returned.

How to answer questions

After the issue, will be displayed in the problem area, you can choose their own questions of interest to answer, if your answer is adopted by the people, you will get the community skills value and C currency reward.

Before answering the question

Before you answer the question, you can:

Browse the list of problems, found themselves equally interested and want to get more people to answer the question after the next;

Check whether anyone else has given the right answer, if there has been a complete answer, "agree" that recognized, each question only for an answer said a agree; if the answer is not complete, can through to comment on the answer function and the answer to the exchange or directly give their answers.

Answer questions

As far as possible to give their own answers, when necessary, should be explained in the code;

If you have a personal opinion or doubt about the answers given by others, you should communicate with the author through an answer comment function, not to comment on an answer;

Absolutely not allow irrelevant information in answer, repeat offenders account will be banned;

No distinction or distinction. If you think this problem is very low, very naive, then ignore it, do not allow the way to publish the answer to the question of ridicule, and even personal attacks.

How to offer a reward

If you want your problem to be answered faster, if you want to answer questions to get more C coins, Q & a reward area welcome you!

My question how to enter a reward area?

You can get your problem into a reward area in these ways:

When asking questions, ask the way to choose the "reward" and set the value of the reward can be;

If you do not choose the initial release of the issue of a reward, before the adoption of the answer is still entitled to issue a reward area;

If your question three days and zero replies, Q & a mentor, the right to put this issue into the reward area, by the official CSDN C offer a reward.

How to ask questions?

Reward questions, you need to determine their own reward currency, at least a, cap is your C currency balance problem description stage and common questions indistinguishable, editing and publishing is complete, problems will appear in the reward areas.

What can I get in the reward area?

Answer the question and be taken as the best answer to the question, in addition to the increase in the value of community skills, you will get a question or official reward C coins.

Can I answer the question that I am offering a reward? Can you accept your answer?

If you post a reward, you have the right to answer the questions you have right to answer before you give them your answer. At the same time, other users also have the right to supervise and report your answer.

For CSDN official reward of the problem, the questioner can not be adopted as the best answer to their answer.

Adopt the best answer

After the question is released, the answer is given, it is required to adopt the best answer to end the whole question and answer process.

At present, there are two ways to determine the best answer to the question and answer channel:

Ask people to adopt the best answer

As a question, the timely adoption of the answer is to answer the basic respect for people, to develop the habit of timely adoption of the answer, your question will be more easy to get other people's answer.

Determine the best answer by "agree" number

15 days after the release of the problem, the question has not yet adopted the best answer, the system will get the most agree with the number of answers to determine the best answer.

Q & a community skills

Users by answering questions or "agree" with other people's answers are likely to accumulate their own community skills value, so as to enter the honor system of the whole community, access to higher community rights and more C currency reward.

Community skills value is a measure of the user's contribution to the CSDN question and answer channel only indicators, including the level of promotion, community weights, C currency to get a series of events are determined by the skill value.

How to get the skill value?

The user can obtain the skill value through the following two ways:

You answer other people's questions;

Each answer a question, skill value +1

Your answer is the best answer to the question.

Average user: each answer becomes the best answer, skill value +3;

Enthusiastic person, question and answer teacher: each answer to become the best answer, skill value +5;

Allow the "question and answer", but not increase the value of the skills.

Your answer has been a "yes" for other users ";

Ordinary users: each access to other users of a "agree", the value of skills +1;

Enthusiastic person, ask a teacher: each get other user of a "agree", skill value +2;

Allow the vote to "agree" with your own answer, but there will not be an increase in the value of skill. Users daily through other people's "agree" and increase the skill value of the upper limit of 10, enthusiastic people and ask tutor this limit is 20.

Question and answer grade rule

Q & a channel level is only determined by the value of community skills, that is, the value of the user skills to achieve a level of initial value, to complete the level of promotion.

Q & a level and skills required:

GradeRequired skill valueUpgrade bonus C currency
V1ZeroZero
V2TenTwo
V3FiftyFive
V4One hundred and twentyTen
V5Two hundredFifteen
V6Three hundredTwenty
V7Five hundredThirty
V8Eight hundredFifty
V9One thousand and two hundredEighty
V10One thousand and eight hundredOne hundred and twenty
V11Three thousandOne hundred and eighty
V12Five thousandThree hundred
V13Eight thousandFive hundred
V14Twelve thousandEight hundred
V15Eighteen thousandOne thousand and five hundred
V16Thirty thousandTwo thousand and five hundred
V17Sixty thousandFour thousand
V18One hundred thousandSix thousand
V19Two hundred thousandEight thousand and five hundred
V20Four hundred thousandTwelve thousand

Enthusiastic about the question and answer

Actively answer questions raised by other people, contribute a large number of high-quality answers and accumulate a certain skill value of the user will have the opportunity to become enthusiastic people. According to our statistics, every day tens of thousands of users with technical problems to CSDN, the face of massive technical resources, can not find the most desired answer in a short time. Believe that this experience you have deep experience. In order to better help technology peers, CSDN Q & a platform will be in mid November to upgrade the new revision, and synchronous launch of the "enthusiastic person" system. Named "technical expert people" will assume the user question answering questions, active community responsibility. At the same time you will be more challenging problems, the opportunity to accumulate experience, of course, there is a more generous community points and honor in waiting for you!

If you having a difficult technical problem in the work and study, and try to share in CSDN quiz channels, we will these issues pushed to technical experts in related fields, the experts will be fast and accurate to provide you with solutions, you solve the problem at the same time, also harvest to the new knowledge.

Enthusiastic about the question and answer

Actively answer questions raised by other people, contribute a large number of high-quality answers and accumulate a certain skill value of the user will have the opportunity to become enthusiastic people. According to our statistics, every day tens of thousands of users with technical problems to CSDN, the face of massive technical resources, can not find the most desired answer in a short time. Believe that this experience you have deep experience. In order to better help technology peers, CSDN Q & a platform will be in mid November to upgrade the new revision, and synchronous launch of the "enthusiastic person" system. Named "technical expert people" will assume the user question answering questions, active community responsibility. At the same time you will be more challenging problems, the opportunity to accumulate experience, of course, there is a more generous community points and honor in waiting for you!

Privileged treatment

Receive push the issue of the function, more efficient answer questions;

Have a higher level of promotion speed;

After the successful application system presented 50C coins

Enthusiastic response was accepted, skill value +5

Enthusiastic people to answer every 1 praise is the skill value +2

Enthusiastic people through other people's "approval" and increase the value of the skills of the upper limit of 20

Duty of earnest men

Receive and respond to questions from system distribution;

As enthusiastic users, if two consecutive months did not answer the question, the system will be notified to remind, if the three consecutive months do not answer the question will be canceled enthusiastic people eligibility, once again apply will be more stringent.

Application conditions of enthusiastic person

Users in the Q & a community level needs to reach V5 (200 points);

Submission of application and the application of the audit can become enthusiastic people

About the question and answer teacher

Positive answer proposed by others, and willing to assist other users better and faster to solve the question of the user, in the accumulation of a certain skill value have the opportunity to become the teacher ask, ask tutor will participate in the daily management of the Q & a community

Q & a privilege treatment

With a higher level of promotion speed;

After the successful application system presented 100C coins

Question and answer the teacher's answer was adopted, the value of skills +5

Q & a mentor to answer each of the 1 praise is the skill value +2

Each recommended issue will be obtained after the end of the 1C currency

Q & a tutor, through the other people's "approval" and increase the value of the skills of the upper limit of 20

Have the authority to modify the no reply problem of the technology tag (tag), each problem can only be modified once;

Receive push the issue of the function, more efficient answer questions;

Permissions will be "three days zero replies" problem pushed into the area to offer a reward, by CSDN official provide C coins for reward quiz, currency is determined by Q & a mentor, limit of 10. For each question and answer mentor everyday is limited to push a problem, push to in question mark push people. The problem to confirm the best answer, push the Q & a mentor will get a C coins reward, QA supervisor allows answer by themselves pushed into the "reward", but not a skill value or C currency rewards.

Q & a mentor to agree with higher weight, to calculate the number of approval to determine the best answer, the question and answer instructor's approval is equivalent to the two enthusiastic people and enthusiastic people".

Question and answer tutorial

To modify the label and problem without answers, each problem can only be modified once.

Set the value of the issue as a reward (by the official C CSDN to provide a reward for the question and answer)

Right "3 day zero replies" problem pushed into the area to offer a reward, by CSDN official provide C coins for reward quiz, the value is determined by Q & a mentor, cap 10C coins, every day is limited to push send a problem. The problem is confirmed after the best answer to confirm the best answer, the problem will be pushed to get the reward 1C coins. Q & a mentor to answer questions directly recommended by the reward and was accepted by the answer will not receive a reward C currency reward.

As enthusiastic users, if two consecutive months did not answer the question, the system will be notified to remind, if the three consecutive months do not answer the question will be canceled enthusiastic people eligibility, once again apply will be more stringent.

Question and answer teacher application conditions

Users in the Q & a community level needs to reach V8 (800 points);

Submit an application and through the operation of the audit can become a question and answer

C coins in question and answer rules

C currency is a common CSDN universal set of virtual currency, Q & a channel will also make a valuable contribution to the user to give C currency reward.

The user's answer is adopted, you can get a C currency;

Every time the user upgrade, will receive the system presented C coins;

Users to answer the question of the reward area, in addition to the increase in the value of the skills to get the C currency, will also receive an additional reward C coins;

Applicants who are enthusiastic and successful, the system will be presented 50 C coins; apply for a mentor and successfully elected, the system will give 100 C coins;

Users to increase the value of the C by the value of the number of coins, the daily limit of 30;

Daily through the answer to the question and get a reward for the C currency no upper limit.

CSDN question and answer rules

Q & a help content layout
  • About technical questions and answers
  • How to put forward effective problems
  • How to answer questions
  • How to offer a reward
  • Adopt the best answer

Question and answer skill value and honor
  • Q & a community skills
  • Question and answer grade rule

Enthusiastic person
  • Enthusiastic about the question and answer
  • Privileged treatment
  • Duty of earnest men
  • Application conditions of enthusiastic person

Q & a mentor
  • About the question and answer teacher
  • Privilege privilege
  • Tutor duty
  • Tutor application conditions

C coins in question and answer rules
  • Get C coins in the Q & A