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  mysql_fetch_array(),mysql_fetch_assoc() and mysql_fetch_row()

In PHP MySQL mannual. There are three functions which need to be clarified for some users who may get confused when choosing which one to use to get the result. mysql_fetch_array() : by seeting the different parameters, there are three ways to return the result set. MYSQL_ASSOC(Result set with field names as the associative indexs.It means you can use the field name as the index to get value of the specified cell). MYSQL_NUM(Result set with field names as the number indices). Or MYSQL_BOTH(...

   PHP,MySQL,resultset,comparison,mysql_fet     2011-08-05 04:53:09

  How I Quickly Test and Validate Startup Ideas

Since I’ve technically been unemployed now for a week, I’ve spent most of that time brainstorming some new ideas and putting them into a Google Spreadsheet.This week I began going through that list and pulling out the ones I think have a chance and I narrowed a pretty large list down to just a few.Let’s take one of the examples from my list. It doesn’t have a name, so let’s just call it Patient Connect.The idea behind Patient Connect is that it integrates with ...

   Startup,Idea,Choose,Validation,Verify,Invest     2011-10-28 10:14:41

  Guide on recovering data in MySQL

In our daily work, there might be mistakes made which got some data or even databases deleted in MySQL. If this happens on production, it would be a nightmare. In case this happens, normally DBA would jump in to save the world. And they would try to recover the data from the backup if there is any. But if there is no backup, then the show stops. Hence database backup is necessary on production environments to avoid such awkward situation. Also normally in MySQL, binlog should be enabled as well ...

   MYSQL,DATABASE,BACKUP,BINLOG,EXAMPLE     2020-08-26 07:50:30

  Java Interview Questions

Currently there are many articles online which summarize the list of Java interview questions. Some cover lots of basic questions and some cover some specific questions in specific area such as multithreading. In this post, we will not cover the really basic questions, we will cover something different. For basic question, you can read Java Interview Questions。 Basic What is primitive data type? How many primitive data types in Java? What are they? -- A primitive type is prede...

   JAVA,SECURITY,INTERVIEW,CAREER,MULTITHREADING,QUESTION,JAVA INTERVIEW,JAVA CORE     2019-01-21 07:07:08

  Writing robust shellling scripts

Many people hack together shell scripts quickly to do simple tasks, but these soon take on a life of their own. Unfortunately shell scripts are full of subtle effects which result in scripts failing in unusual ways. It's possible to write scripts which minimise these problems. In this article, I explain several techniques for writing robust bash scripts. Use set -u ...

   Robust,Shell script,Set,Commands     2012-03-19 13:25:26

  Useful Bash Scripts

Many people hack together shell scripts quickly to do simple tasks, but these soon take on a life of their own. Unfortunately shell scripts are full of subtle effects which result in scripts failing in unusual ways. It's possible to write scripts which minimise these problems. In this article, I explain several techniques for writing robust bash scripts. Use set -u ...

   Linux,Shell,Bash,Command,Robust     2012-01-15 10:28:00

  CSS DIV position analysis

When using CSS to set the position of DIV, we may often get confused with the 4 position properties : static, relative, absolute and fixed. If we don't understand them correctly, we may often get unexpected result. Here we make some analysis to them.The definitions of these 4 properties:static : The default position property. It has no position actually. The element will appear where it should be (top, bottom, left, right or z-index has no use here)relative : This one will position relati...

   CSS, DIV,position,relative,absolute     2013-01-29 03:23:57

  What are some lesser known but useful Unix commands?

A few that come to mind, some less known, some more: xargs or parallel: run things in parallel, with lots of options sed and awk: more well-known but still super useful for processing text files, and faster than Python or Ruby m4: simple macro processor screen: powerful terminal multiplexing and session persistence yes: print a string a lot cal: nice calendar env: run a command (useful in scripts) look: find English words (or lines in a file) beginning with a string cut and paste and join: data...

   Linux,Unix,Command,Less used     2011-12-27 09:27:49

  Not better, but different

The most important feature of Apple products is usability--Simple, aesthetic, easy to use.Their products may not necessarily the most powerful, but they usually are the easiest to use. Following picture show a Mac (left) and a PC(right), which one looks better?Many products are trying to mimic these features, but one problem comes out:It's hard to keep a product simple while providing so many new features.If you continuously add new features to your product,  your product will become more c...

   Market positioning,Product manager     2012-05-19 13:29:20

  How ScrollerJS works

ScrollerJS is a light weight number scroller module to be embedded in web apps. It provides fancy number scrolling animations. ScrollerJS supports both CSS transition and DOM animation to handle the animation needed. If CSS transition is supported in a browser, CSS transition will be the preferred option for animation. If in old browsers where CSS transition is not supported. DOM animation will be chosen automatically. How does the number scrolling actually work? To transition a number from 0 to...

   ScrollerJS,JavaScript,CSS,GitHub     2015-06-11 06:54:44

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