javascript - Can I use setAttribute/removeAttribute to add or delete class names?

In a group discussion about the operation of class names in native js, someone suggested that the setAttribute and removeAttribute methods can be used to operate class names. I felt very puzzled: I thought there were only classList.add() or classList.remove(). Methods can solve this need, but someon...

过去多啦不再A梦 2017-05-19 10:46:49 0  3  1040

golang - mgo （mongodb go）如何进行类似shell 的save 或者c#驱动的replace操作？

mgo （mongodb go）如何进行类似shell 的save 或者c#驱动的replace操作？

漂亮男人 2017-04-28 09:06:20 0  1  772

php - How does Yii flexibly configure the type and number of points affected by the entire site operation?

Operations such as user posts, favorites, support, opposition, etc. all involve the increase or decrease of the user's points, but points are divided into N types. How to uniformly manage which type of points are associated with these operations and the amount of increase or decrease? For example: w...

習慣沉默 2017-06-07 09:23:06 0  1  886

javascript - How to display a novice operation guide process similar to that in an APP game to the background operating system?

I have recently developed an ERP management system and would like to add novice operation tutorials to the entire system so that unfamiliar colleagues can learn how to operate the entire system. Just like the novice operation tutorial in the APP, how to implement the game guidance after entering the...

淡淡烟草味 2017-06-10 09:49:06 0  2  803

memcached - redis或memcache缓存操作类封装有哪些点需要注意?

新公司在用lumen重构做微服务api框架,上面安排在lumen原有基础上再封装一套缓存操作的类库,想问问这方面有什么需要注意的. 目前架构师给的建议有 未连接上redis或者memcache时取真实数据 get获取缓存时候检测是否...

習慣沉默 2017-04-26 09:02:05 0  1  752

angular.js - angular1.x, conflict between dom operation and ng data operation

http://codepen.io/anon/pen/JXogBj?editors=1010 As shown in the above code, click the 1:dom operation and then click the 2:ng operation. The value of the label does not change unless you click the 3:ng operation and then click 2:ng operation. Is there any way to make the 2:ng operation always take ef...

仅有的幸福 2017-05-15 16:59:06 0  1  733

css - How do permissions and the like operate when developing a backend system?

For example, the display of the menu bar, the operation of buttons, etc. Only consider the operations required by the front end. . Thanks

过去多啦不再A梦 2017-05-16 13:32:20 0  3  631

bash - linux shell script to automate manual operations

{Code...} There is a script like this that I want to implement. I use another shell script to operate it. I tried echo, but I can only enter one, and there seems to be a problem.

过去多啦不再A梦 2017-07-03 11:42:11 0  1  959

mongodb 3.4 How to use the java language to operate the aggregate function. Beginners, please give me some advice.

Does a DBObject whose aggregate parameter type is Bson need to inherit the Bson type? Can you provide a complete code to understand how to operate the aggregate function?

PHP中文网 2017-05-17 10:03:15 0  1  704

What does the new operator do?

Can you briefly introduce the function of new operator?

移动用户-4952586 2020-02-02 20:48:23 0  1  1483

Click the button to get the ID of the data to be operated and modify or delete it.

I want to perform modification and deletion operations, how can I obtain the ID currently to be operated on?

草原上的星辰 2019-05-10 14:24:48 0  3  1441

promise.all mongoose operates database - Stack Overflow

Use Promise.all([p1, p2]) to operate two promise functions. Both functions use mongoose internally to operate the database. If p1 is rejected and p2 is resolved. My question is, p2 has actually performed an operation on the database, is that so, or...

曾经蜡笔没有小新 2017-06-15 09:22:14 0  2  920

javascript - Two jQuery operations trigger the same function, how to optimize the writing?

{Code...} For example, if you click a button or press Enter in the input box to perform the same operation, can it be optimized into the following type of code: {Code...}

phpcn_u1582 2017-05-19 10:34:29 0  1  440

Redis的原子性？什么是原子操作？

什么是Redis的原子性？ 什么叫做原子操作？ 在 Redis 中什么样的操作算是原子操作？

天蓬老师 2017-04-25 09:04:06 0  3  963

Add operation failed

The addition operation failed. It is recommended to print the data to be added and check whether the key names of the data appear in the data table. If the key names conflict with the data table fields, or there are fields that are not in the data table, the process cannot be performed. add operatio...

宝怡 2019-09-22 12:50:44 0  0  1285