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  Productivity is just work

The other day, I wrote a post declaring that I will no longer try to increase my productivity. This doesn't mean I won't read productivity blogs, and tweak things, and manage my "system". It means I no longer think about any of that stuff as having anything to do with productivity. Productivity is what happens when you're doing work. Enhancing your productivity is what happens when you do a lot of work, for long enough to get better at it. Look, throw all your stuff in Dropbox, live yo...

   Productivity,Work,Enhancement     2012-01-05 08:18:36

  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

  C Preprocessor Hell

Lisp programmers should stop reading right now because they'll likely suffer severe injury of the jaw muscles as they laugh themselves silly at how hard it is to do some things in C. The C language has a pre-processor (typically called cpp) that is both infuriating and powerful. How powerful is usually best described as 'just too little' and it has happened more than once that I found myself almost - but not quite - able to do what I wanted to do. The frustration can run very deep at ti...

   C,Preprocessor,Lisp,Hell     2012-01-19 10:22:31

  Reflection in Java

What is Reflection? Reflection is a feature in Java that allows a program to obtain information about itself at runtime and dynamically manipulate the properties, methods, and constructors of classes or objects. With reflection, we can instantiate objects, call methods, and set properties without knowing the exact class name beforehand. The core of the reflection mechanism is the Class object, which represents a class. The Java Virtual Machine (JVM) automatically creates this Class object when i...

   JAVA REFLECTION,TUTORIAL,FIELD,METHOD     2024-06-27 07:52:12

  Which program is using USB device?

Sometimes when we want to plug out our USB device, but the operating system tells us we cannot plug it out since some other processes are using the USB device. How do we know which process is using our USB device. Here is a simple solution.First, go to Start->All programs->Accessories->System Tools->Resource Monitor. (as in Windows 7, for other Windows systems, you may similar program called Resource Monitor but may not in the same location as in Windows 7).Then, open Resource Monito...

   Windows.ISB device,Plugout problem,Solut     2011-07-22 09:20:13

  Lenovo gets into the chip design field

According to EETimes, Lenovo will enter the field of chip design, the main focus is the smartphone and tablet chip design.There is a small team of 10 people who are working on integrated circuit design in Lenovo in the past 10 years, Till the middle of this year, Lenovo intends to expand the team to 100 engineers. Lenovo may recruit 40 engineers in Shenzhen and 60 engineers in Beijing.Despite Lenovo has much freedom in the choice of application processors, but because it involves a competitive ...

   Lenovo,Chip,Samsung,Smartphone     2013-04-01 06:15:54

  A mini guide to HTTP referer

In HTTP header, there is a field named Referer which is to provide the referrer of the current accessed page. In this post, we will introduce the usage of HTTP referer field. On the web, when a user visits a webpage, s/he must be from some place. This place is usually referred a s referer. This information is very important to some website operators and server owners as they want to know where they get the traffic from and this helps them provide better service for potential targeted users. In t...

   HTML,HTTP REFERER,REFERRERPOLICY     2019-06-29 02:23:25

  Evolution mail configuration with Hotmail on Ubuntu

Evolution mail now is the default Email client on Ubuntu. When we configure this mail client with Hotmail. The steps should be followed.   Step 1: Open Evolution mail through Applications->Internet->Evolution mail    Step 2: Goto Edit->Preferences   Step 3 : Click Add button or double click on the added mail account.   Step 4 : On the Identity tab, fill the Hotmail account you want to use.    Step 5 : On "Receiving email" Tab,      ...

   Ubuntu,Evolution mail,Hotmail,Configurat     2011-04-28 09:24:01

  Update parent window after closing the window opened by window.open()

Imagine we have a webpage which has a text field to let user enter a date. Usually, we may create a calendar window to ask the user to pick one date from the calendar window, when the date is picked, the calendar window will close and the date picked will be put into the text field. This way involves the window.open() method in JavaScript, and we may think how the opened window knows its parent window and then updates the parent window. I give a simple demo on this.We have two pages, on is the p...

   window.open, JavaScript,update, return value     2012-06-23 01:36:32

  Understand this in JavaScript

In JavaScript, this is always pointing to the owner of a function or a method. Function Let's check out function first. function introduce() {      alert("Hello, I am Laruence\r\n"); } For this function, what does this point to? In JavaScript, a global function's owner is the current page, i.e, the window object. Because its a method of the window object if we define a global function. Now you should know the this will point to the window object in the above function. ...

   JavaScript,this,event,call     2013-04-03 04:10:03

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