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  Twitter prosecuted five companies

Recently Twitter sought help from law enforcement agencies because they can not stand spam emails. On Thursday, Twitter prosecuted five separate companies which provide tools so that spam on Twitter can be spread easier.Twitter said in a statement, Twitter now has 140 million active users, and the number of users are still increasing quickly, as Twitter continues to grow, spam also began looking to come to. Although the content of the spam on Twitter is not the proportion, it still gave rise to ...

   Twitter,Spam,Prosecution     2012-04-06 01:58:37

  A possible way to recover deleted files on Linux

Last week I was generating a MD5 sum for an virtual machine image on one OpenNebula server: # ls -l test.img -rw-r--r-- 1 root root 10486808576 Oct 12 02:21 test.img # md5sum test.img At the same time I was clearing the files on the server on another terminal and deleted the above image file mistakenly with : # rm test.img Since this image file is 10GB, it took some time to remove this file from the server, so I used the Ctrl+Z command to suspend the remove command. [1]+ Stopped ...

   Linux,File,Recovery     2013-11-26 07:03:37

  Why MySQL 8 drops support of query cache

Many of you may have heard or used MySQL's query cache, because it used to be a popular way to improve MySQL's performance. As an important feature for improving MySQL's performance, the query cache was often recommended as a solution for slow queries. However, why has MySQL 8 abandoned the query cache? Today, we will analyze and explore this decision. What is query cache? According to official document: The query cache stores the text of a SELECT statement together with the correspon...

   MYSQL 8,QUERY CACHE     2023-03-11 09:05:17

  Sending message to Slack Incoming Webhook using PHP

Slack is a popular work collaboration tool and it provides many features which help teams collaborate. It has one function which allows sending messages to channels from external source such as your own web service -- Incoming Webhook. This is extremely useful when want to monitor something and get notified when some event occurs and it doesn't require complicated setup. To send messages using Incoming Webhook, a service URL has to be generated on Slack and then the message can be posted to this...

   PHP,CURL,SLACK,INCOMING WEBHOOK     2017-03-11 21:32:28

  Understanding JavaScript closure and where it can be used

Closure The official definition of closure is: an expression (usually a function) that has many variables and is bound to an environment that includes those variables. In JavaScript, closure refers to the ability of a function to access the lexical scope in which it was defined, even after the function has been executed and left that scope. This ability is due to the fact that when a function is created, it generates a closure that includes a reference to the definition environment of the curr...

   CLOSURE,JAVASCRIPT,USAGE     2023-03-05 02:17:08

  Tencent CEO : Mobile social gaming will be the profit breakthrough point of WeChat

Tencent CEO Ma Huateng said mobile social gaming would be one of the biggest light spot and also the profit profit breakthrough point of WeChat.Mr. Ma thinks that the principle of public accounts of WeChat is very simple, In the early period of QQ, users could also send messages and feedback, the reason why WeChat is so charming is because the phone has audio and video capabilities, this is very different from the text on the PC. Public account service providers can send voice passages to users ...

   Tencent,WeChat,GMIC     2013-05-07 07:27:23

  How Artificial Intelligence Is Helping Fight Environmental Challenges

Environmental challenges like climate change, global warming, air pollution, etc., all pose a severe threat to humans.  According to the World Health Organization (WHO), around 3.6 billion people are already living in areas vulnerable to climate change. Climate change is predicted to result in an additional 250,000 deaths between 2030 and 2050. To solve environmental problems that have long presented difficulties for ecosystems and communities, artificial intelligence (AI) is emerging as a...

   AI, ENVIRONEMNT     2025-02-17 04:06:08

  A tour to Tumblr's office

This week Yahoo has made a deal with Tumblr that Yahoo would acquire Tumblr with $1.1 billion. The reason why Yahoo wants to acquire Tumblr is still not so clear. It may be because they don't want to miss the chance again after they missed the chance to acquire Facebook. But anyway, let's take a tour to the office environment of Tumblr. The big logo after entering the door. The office building in Tumblr has two floors. Most people are working on the first floor. Cute decorations Technical t...

   Tumblr,Office,Tour     2013-05-22 12:25:32

  How to use Chome dev tool to find event handler bound to an element

As a front end developer, there is frequent need to debug JS code and sometimes need to find out what event handler has been bound to a HTML element. In this post, we will show how to find out the click event handler bound to a HTML element, this same applies to other events as well. Nowadays, a web application is usually very complicated and there are lots of JS codes which makes it difficult to find out what click event handler has been bound to a HTML element, especially when the JS source co...

   JAVASCRIPT,CHROME,CHROME DEV TOOL,EVENT LISTENER     2019-08-17 22:14:36

  Why Most of us Get Confuse With Data Quality Solutions and Bad Data?

How to fix this misunderstanding is what Big Data professionals will explain in this post. The C-level executives are using data collected by their BI and analytics initiatives to make strategic decisions to offer the company a competitive advantage. The case gets worse if the data is inaccurate or incorrect. It’s because the big data helps the company to make big bets, and it impacts the direction and future together. Bad Data can yield inappropriate results and losses. Some interesting ...

   BIGDATA     2018-02-21 06:01:35

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