Programmer Group

Concept: virtual reality (VR), short for virtual technology, is the use of computer simulation to create a three-dimensional virtual world, providing users with visual and other sensory simulation, so that users feel as if they are experiencing the situation, can observe things in three-dimensional space in a timely and unlimited manner. Func ...

Open any web page in the Wechat browser. If the sharing interface is not configured, Wechat will default to use the following information as sharing information: Default title: HTML title Default connection: the address of the current page, location.href Default image: The front eligible image in the current page body will be taken (size must ...

Reproduced from: http://blog.csdn.net/qinjuning Preface: In work, you need to open a thread to query a large number of one data base The value sent a change, resulting in a large overhead, and later under the guidance of the boss, the use of ContentObserver solved the problem perfectly and was very excited. Aft ...

Because iOS system is a "pseudo background" mode of operation, when the HOME key is pressed, if the program does not do any operation, the application will have 5 seconds of execution buffer time, the random program will be suspended, all task terminals, including timers and location updates, etc., but when the program opens the backg ...

In Deeply Understanding Android Bluetooth --"Basic Chapter" In one article, we have an understanding of each version of Bluetooth, the course of Bluetooth version and its advantages and disadvantages. Then let's go a little deeper and continue driving into the BLE chapter. Bluetooth BLE4.x BLE is divided into three parts: Se ...

Copyright Statement: This article is from Guo Lin's blog, reprinted must indicate the source. Catalog (?)[-] Basic usage of Service Service and Active Communication How to Destroy Service The relationship between Service and Thread Create Front Office Service For reprinting, please indicate the source: http://blog.csdn.n ...

Use of Local Service and Binder Local Service and Active communication can be implemented by Binder, inherited in Service first. Binder Implement your own Binder class. class MyBinder extends Binder {         public LocalBindService getService() {             return LocalBindService.this;         }     }   T ...

Background: In a project, it is necessary to upload CRM images to OSS and call OssClient.php, which is prone to parse timeouts (ok if you try several times). Error prompt: [2019-04-08 19:41:01] lumen.DEBUG: Error file:/home/zrj/www/admin/yundou-admin/vendor/aliyuncs/oss-sdk-php/src/OSS/OssClient.php [2019-04-08 19:41:01] lumen.DEBUG: Error ...

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Written in front Since the last project 58HouseSearch After the migration from. NET to. NET core, it took a month to officially launch the new version.Then recently a new pit was opened and a new pit was built. Dy2018Crawler Film resources used to climb dy2018 Film Paradise. Here is also a brief introduction to how to write a crawler based on. ...