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  My favorite quotes from "The design and evolution of C++"

"The design and evolution of C++" is a book written by the inventor of C++  Bjarne stroustrup. In this book, Bjarne stroustrup presents the definitive insider's guide to the design and development of the C++ programming language. Without ommitting critical details or getting bogged down in technicalities, Stroustrup presents his unique insights into the decisions that shaped C++. In this book, some statements are very impressive. They are concise but convey much information. Here I summariz...

   C++,statements,type system,compatibility     2012-07-16 10:58:10

  Understanding database, instance and schema in Oracle database

Oracle database is the most popular database system among enterprises. To start working on Oracle database, some concepts must be understood first. They include database, instance, schema and user etc. And among these concepts, some have different meanings from those in other database systems such as MS SQL, MySQL, DB2. On the web, there are already some good posts which explain different concepts such as Ask Tom's database vs instances, Difference between database vs user vs schema. In this pos...

   DIFFERENCE,DATABASE,ORACLE DATABASE,INSTANCE,SCHEMA,USER     2016-12-14 23:30:56

  What kind of automated testing does Facebook do?

We do several kinds of testing. Some specifics:For our PHP code, we have a suite of a few thousand test classes using the PHPUnit framework. They range in complexity from simple true unit tests to large-scale integration tests that hit our production backend services. The PHPUnit tests are run both by developers as part of their workflow and continuously by an automated test runner on dedicated hardware. Our developer tools automatically use code coverage data to run tests that cover the ...

   Facebook,Testing,PHP,Automated testing     2012-02-28 08:10:10

  PHP to integrate with Sign in with Google

Google has a huge user base and hence it provides an authentication service for third party service to integrate with them so that people can sign in with Google in their services. Google also adopts OAuth 2 to provide this kind of Open ID connect service. This post will introduce how to integrate with sign in with Google functionality in your PHP website.  Create a client app on Google The first step you should follow is to create a Google app, you can follow the post here to create the p...

   PHP,GOOGLE API,OPEN API,SIGN IN WITH GOOGLE     2019-03-03 02:00:09

  What Sort of Projects Can You Work on Using Web Scraping?

Image Source: Unsplash Web scraping is a technique used to extract large amounts of data from websites and save onto your computer in a database or time table format. There are many reasons businesses would use this information for lead generation, SEO, or to better understand their customers.  However, you can do a lot of fun projects in your free time that doesn’t have to be associated with work or a company. Before you start using your programming skills to find and extract inform...

   WEB SCRAPING     2020-09-10 09:16:44

  Yahoo is going to recycle inactive user IDs

According to Sina Tech, Yahoo announced that it would provide users with shorter, more lovely and more memorable Yahoo IDs starting from July 15. For IDs like emily@yahoo.com, if they are in inactive status in the past 12 months, then other users will be able to get this ID. Yahoo plans to reset Yahoo ID system to help users get the ID they want in mid of July. By mid-August, users who apply for a Yahoo user ID will be informed what kind of ID they get.This means that users can apply multiple ID...

   Yahoo,ID recycle     2013-06-12 21:22:15

  Change password of postgres account in Postgres

When installing Postgres on Windows, there is some default account created for user to login. One of them is postgres, but we often don;t know what's the password for this account when we first login using this account. We need to change the password for this account. How to change it? Step 1. Modify the pg_hba.conffile Go to the /data/ and open the pg_hba.conf. # TYPE  DATABASE        USER            ...

   Postgres,password, user account     2013-03-04 01:51:02

  Python object creation sequence

[The Python version described in this article is 3.x] This article aims to explore the process of creating new objects in Python. As I explained in a previous article, object creation is just a special case of calling a callable. Consider this Python code: class Joe: pass j = Joe() What happens when j = Joe() is executed? Python sees it as a call to the callable Joe, and routes it to the internal function PyObject_Call, with Joe passed as the first argument. PyObject_Call looks at the ty...

   Python,Object creation     2012-04-16 15:03:55

  Google+ doesn't support Firefox 23?

Mozilla just released a new version of Firefox--Firefox 23, but after upgrading to the new version. We cannot login to Google+ anymore, instead it will show a page which says "Your browser is no longer supported" and it gives some choices to download new web browsers. It also allows to download Firefox. But the thing is we have updated to the latest version. Also when clicking on the "Download Firefox" link, it is redirected to the download Firefox for Android page, is it weird? Is this becaus...

   Firefox 23,Google+     2013-08-10 21:46:27

  Twitter user database is hacked

According to Sina Tech, One hacker from Islamic Republic of Mauritania claimed today that he had acquired Twitter's entire user database and he shared over 15000 user account information on file sharing website Zippyshare.These information include the name of each account on Twitter, username and access tokens of third-party applications which have access to their Twitter accounts(such as Instagram or HootSuite).Twitter has yet to comment on the matter, but the company sent messages urging ...

   Twitter,Hacker,Access token     2013-08-20 10:49:44