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Android create button tutorial
This tutorial assumes that you already have an activity and are using an XML layout. Open the layout XML and add the button element. Assign an ID with the “@+id” operator. The + tells Android to generate an ID for this element so that you can reference it in your Java files. This is an example. Your layout and text elements will probably be very different. In this example case, the ID of the button is “close”. <Button android:id="@+id/close" android:lay...
Top 10 PHP Best Security Practices for Sys Admins
PHP is widely used for various of web development. However, misconfigured server-side scripting would create all sorts of problem. And here are php security best practices that you should aware when configuring PHP securely. Nowadays most of the web servers are operated under Linux environment (like: Ubuntu, Debian...etc). Hence, in the following article, I am going to use list top 10 ways to enhance PHP Security Best Practices under Linux environment. My sample setup for PHP Security Tips: D...
PHP,code security,System admin,Advice,Best practice 2012-02-01 00:04:37
/dev/null and /dev/tty in Linux
In Linux, there are two special files /dev/null and /dev/tty. /dev/null will drop all the data written to it, i.e, when program writes data to this file, it means the program has completed the data write operation. But in fact it does nothing, if you just want the status of a command but not the output of a command, this feature will be very useful. See below shell codes: /> vi test_dev_null.sh #!/bin/bash if grep...
What has Google done on improving programming languages
Google is now becoming the most innovative IT company in the world. Every now and then they would deliver one revolutionary product to us such as Google Glass, Google Fiber, Automatic Mobile Cars etc. All these great products are backed up by the powerful software system built into. Google has used many programming languages to develop these software and they have put much resource in improving the programming languages they use and we use today. What has Google done in improving programming lan...
Google,Programming 2014-02-21 09:36:34
Reproduce "MySQL server has gone away" in PHP
If you want to debug the issue of "MySQL server has gone away", you can reproduce it with below steps: Modify configuration file: sudo vi /etc/mysql/my.cnf Make below changes: [mysqld] wait_timeout = 30 interactive_timeout = 30 Restart the service: sudo /etc/init.d/mysql restart Write below PHP codes: $link = mysql_connect('127.0.0.1', 'root', 'root'); if (!$link)&nbs...
MySQL,debug,rMySQL server has gone away 2013-04-15 11:33:14
IDEs for Java programmers
IDEs are great helpers to programmers. They can help programmers write less error-prone programs with less time. They have become an inevitable part of many programmers. As a Java developer, you may be familiar with Eclipse already. But do you know other IDEs for Java programmers? We will give an overview of different IDEs for Java programmers. These IDEs are Eclipse, Intellij IDEA, NetBean and BlueJ. Eclipse Eclipse is the most widely used IDE for Java programmers. It's an open source IDE whic...
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
Round Peg, Square Hole: How to Know If a Developer is a Good Fit for Your Team
Over the last few months, we have been recruiting developers, and we’ve started to get a sense for the type of developer who is a good fit for our team. These attributes probably apply for developers at most web startups, so I wanted to share them with you. Before I get into it, the most important thing to know is that technical skill is a threshold requirement. The assumption is that any person who is a fit for our team will have the relevant technical experience t...
Recruitment,Gire ,Employee,Skill 2011-07-09 09:50:54
Windows 8.1 will be released on October 18
According to TheVerge, Microsoft Windows 8.1 will be released on October 18. Windows 8 users can download the free update on Windows Store one day before the release date, There will be a formal release press on October 18. In next few weeks, Windows 8 RTM will be open to PC manufacturers and partners. In this year's WPC, Microsoft demonstrated their latest Windows 8.1 on various devices most of the time, including the 8-inch Tablet PC, laptops, desktops and even streamed content from PC to Xbo...
Windows 8.1,Release date 2013-08-14 11:49:09
Introducing Google JS Test
Google JS Test is a JavaScript unit testing framework that runs on the V8 JavaScript Engine, the same open source project that is responsible for Google Chrome’s super-fast JS execution speed. Google JS Test is used internally by several Google projects, and we’re pleased to announce that it has been released as an open source project.Features of Google JS Test include:Extremely fast startup and execution time, without needing to run a browser.Clean, readable output in th...
Google,JavaScript,Test tool,Open source 2011-10-07 23:35:48
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