Regarding the php7 new feature manual, my own doubts

Modification of the variable processing mechanism array_pop requires passing a reference, which is not possible in PHP5. This should not be considered a new feature, right? Parentheses should still be used. Global does not support reference declarations of instance variables in PHP5. In the final an...

break||continue 2018-05-07 17:32:24 0  3  1275

javascript - Google Chrome's support for es7's new feature array.prototype.includes

I heard that support has been rolled back, but why can I still execute this feature in the browser Google version?

漂亮男人 2017-05-16 13:32:35 0  3  809

I have been interning in Java development for more than half a year and am about to graduate. What are the more prominent features of the Java projects on my resume? Those who can attract technical interviews and review resumes are more attractive than fresh graduates.

I have been interning in Java development for more than half a year and am about to graduate. What are the more prominent features of the Java projects on my resume? Those who can attract technical interviews and review resumes are more attractive than fresh graduates.

伊谢尔伦 2017-06-12 09:27:39 0  1  1149

python - Use sklearn to find tfidf features of large text?

The above data is obtained from the 7303 training set from the reuters data set, and sklearn is used to obtain the tfidf feature. The results obtained are all 0. What is going on? When I take a portion of this data, I can get correct tfidf results for these small portions of data.

大家讲道理 2017-06-28 09:23:35 0  1  850

Version management - git workflow issue, if the develop branch is already N versions ahead, do I need to merge develop into my feature branch?

If the develop or master branch is already N versions ahead, do I need to merge develop or master into my feature branch? If you don’t merge and merge the branches under feature directly, will there be any hidden dangers?

仅有的幸福 2017-05-17 10:01:36 0  2  760

Error when importing traits

namespace app\admin\controller;class Index{use \traits\controller\jump;public function index(){return 'HELLow';}public function test($name){if($name=='php'){$this->success('正在跳转

葫芦娃平衡盘 2018-01-28 21:47:33 0  1  1205

Advantages of tomcat?

Can you help summarize the characteristics and advantages of tomcat? Thanks

習慣沉默 2017-05-17 09:58:03 0  3  986

How constants are defined in java.

{Code...} What are the characteristics of these two ways of defining constants? Which method is more recommended during use?

我想大声告诉你 2017-06-12 09:19:32 0  2  1002

javascript - Three ways to write js anonymous functions

The following is the anonymous function of JS. What are the differences between these three forms and what are the characteristics of each? {code...}

漂亮男人 2017-05-19 10:39:41 0  3  597

javascript - New features in Google Chrome?

What does this mean??? How to solve it. Thanks.

女神的闺蜜爱上我 2017-06-12 09:28:18 0  1  751

After introducing traits, why is the index empty?

As shown in the picture:

门前雪自扫 2019-11-15 11:12:23 0  1  1246

javascript - css design patterns

I would like to ask the master, what are the commonly used design patterns in CSS design, and what are the characteristics of each?

伊谢尔伦 2017-05-19 10:26:45 0  9  673

javascript - jsonp can only use get reason

Why can jsonp only use get requests? Is it because of some reasons of get, some reasons of post, or some other reasons? I checked the document and it said that 'this is determined by the characteristics of the technology itself'. Can you tell me about this? What does the characteristic mean? Can you...

阿神 2017-06-12 09:28:42 0  5  1297

Regarding the use of html5

The new features of html5 are very good, but many browsers do not support it well, mainly IE. So is it used much, and in what scenarios is it mainly used?

扔个三星炸死你 2017-06-30 09:57:47 0  1  1035

Why is it recommended to use isinstance instead of type for instance checking in python?

http://codingpy.com/article/p... Instance check: Use isinstance(a, C) instead of type(a) is C`. But generally avoid doing instance checking. It is recommended to check the characteristics of the instance.

阿神 2017-05-24 11:35:09 0  2  896

python - Can one domain name be bound to multiple servers?

There is now a functioning website. But new features need to be developed. Use a new second-level domain name and a new server for development. Is it possible? I don't know much about subordinates.

为情所困 2017-06-17 09:16:04 0  2  915

Using the overlayMapTypes feature in react-native-map

Image duplication is not working url tile is server side image same image is displayed more than 100 times this code is for web, how to implement in react-native, I am using react-native-map/***@license* Copyright 2019 Google LLC . *SPDX license identifier: Apache-2.0*/functioninitMap(){constmap=new...

P粉253518620 2023-08-18 14:49:57 0  1  591

When should you use React's lazy loading feature?

I have a fairly large application and the bundle size is about 2MB right now (about 3 chunks). To improve load times, I decided to start using the relatively new ReactLazy. Here's an example of lazy loading: constWizard=React.lazy(()=>import('./components/wizards/Wizard')); I understand the gener...

P粉976737101 2023-08-24 23:11:02 0  2  543

javascript - The relationship between callback functions and closures

Does the callback function use the closure feature? For example: {code...}

伊谢尔伦 2017-07-05 10:54:10 0  2  1014

gvim - How to execute `highlight test` in vim in terminal?

The so-called highlight means: I find this feature very helpful for custom color matching, but currently this feature can only be found in Gvim. The color test above corresponds to a file, which can be used under source. Does vim in the terminal have this function? How to do it?

仅有的幸福 2017-05-16 16:38:22 0  2  741