Today's Question:  What does your personal desk look like?        GIVE A SHOUT

SEARCH KEYWORD -- Command

  try { return } finally {}

Do you know what value will be printed when following program is ran? class Test { public int aaa() { int x = 1; try { return ++x; } catch (Exception e) { } finally { ++x; } return x; } public static void main(String[] args) { Test t = new Test(); int y = t.aaa(); System.out.println(y); } } And before answering the above question, do you have answers to following questions? If ther...

   JAVA,JAVA INTERVIEW QUESTION     2016-09-26 08:06:28

  Want to install 64 bit OS on VirtualBox?

By default, VirtualBox only allows to install 32 bit OS on it. But sometimes, 64 bit OS is wanted for specific uses such as running platform specific tests. To allow installing 64 bit OS on VirtualBox. Below information is needed. Here is the official documentation about 64 bit OS: VirtualBox supports 64-bit guest operating systems, even on 32-bit host operating systems, provided that the following conditions are met: You need a 64-bit processor with hardware virtualization support (see the ...

   VirtualBox,64 bit,hardware virtualization,Ubuntu     2014-11-08 03:52:07

  In-memory key-value store in C, Go and Python

Subtitle: Wow Go’s net library is fast On paternity leave for my second child, I found myself writing an in-memory hashmap (a poor-man’s memcached), in Go, Python and C. I was wondering how hard it would be to replace memcached, if we wanted to do something unusual with our key-value store. I also wanted to compare the languages, and, well, I get bored easily! The code is on github as Key-Value-Polyglot. Each version implements enough of the get and set commands from the mem...

   key-value,Memory,C,Python,Go     2012-03-21 09:21:51

  Vim: revisited

I’ve had an off/on relationship with Vim for the past many years. Before, I never felt like we understood each other properly. Vim is almost useless without plugins and some essential settings in .vimrc, but fiddling with all the knobs and installing all the plugins that I thought I needed was a process that in the end stretched out from few hours to weeks, months even; and it the end it just caused frustration instead of making me a happier coder. Recently, I decided to give Vim ano...

   Linux,Editor,Vim,Setup,Quick guideline     2011-12-12 07:55:27

  Why is my IP blocked at a website I visit regularly after I changed ISPs?

I just installed a new Express Card with Verizon Broadband wireless last night. Had tons of fun accessing the web from places I usually cannot, (we are in trucking) until I got to my favorite forum. It's a public place I have been to thousands of times, but instead of happily browsing all the daily news events and checking to see if the world blew up yet, I found myself blocked by a big white screen that said YOUR IP ADDRESS HAS BEEN BANNED. What can I do? I can't go to the forum owners to ...

   ISP,IP Block,StopForumSpam,Solution     2012-02-01 08:53:38

  Install and remote access phpMyAdmin on CentOS

phpMyAdmin is a free and open source tool written in PHP intended to handle the administration of MySQL with the use of a Web browser. It can perform various tasks such as creating, modifying or deleting databases, tables, fields or rows; executing SQL statements; or managing users and permissions.Today I walk through you the steps to install phpMyAdmin on CentOS. Actually, these steps are applicable to other Linux systems as well. 1. Download the phpMyAdmin from Sourceforge.net. Run command:wge...

   phpMyAdmin,linux,installation,demo     2012-06-21 07:30:29

  Ruby WinRM undefined method `split' for nil:NilClass

WinRM service is a service provided by Windows to enable remote access a Windows system. It is similar to what SSH is for *nix. And it is frequently used in applications which want to automate process or accessing remote Windows system and perform actions on them. Ruby also provided the WinRM gem which is an implementation of the WinRM service.  When using WinRM gem, one may often want to use :negotiate as the transport protocol for authentication. This transport will negotiate using d...

   RUBY,WINRM,INIT_AUTH,PROXY     2017-03-08 02:21:09

  7 revolutionary electronic products

Electronic products can be seen everywhere in our lives. There are several revolutionary electronic products which affect people's life deeply. The following are seven representative electronic products.1. Motorola DynaTACIt is the ancestor of cellphone. DynaTAC is a series of cellular telephones manufactured by Motorola, Inc. from 1983 to 1994. The first model, the 8000x, received FCC certification in 1983,and became the first cell phone to be offered commercially. It weighs 2.5 pounds and can ...

   Electronic products,iPod,ATARI,DynaTAC     2012-07-31 14:27:33

  Install Windows 7 with USB 3.0 ports only

Windows 7 is another great operating system released by Microsoft after Windows XP. Since Microsoft has announced that it suspended the support of Windows XP starting from April 8, 2014. Many users have been forced to move to Windows 7. Unfortunately, if you are using a bootable USB flash drive to install Windows 7 and your computer doesn't have USB 2.0 port but only USB 3.0 port, you will encounter missing driver issue while installing it. This post will show you how to workaround this issue. B...

   Windows 7, USB 3.0 driver, Bootable USB drive, Installation     2014-12-29 20:56:39

  Unix Philosophy

First, let me tell two stories.The first one is one Japan soap factory had a problem that they sometimes shipped empty boxes to the customer without soap inside. So they spend much time and money to invent a X-ray machine to check whether the soap box is empty.The same thing happens in a small factory which doesn't have too much money. The solution of them to solve this problem is they use a desk fan to blow the empty boxes out of the belt and into a bin.The second story is NASA finds that in sp...

   Unix Philosophy,Simple,Rules     2012-05-06 06:49:26

RECENT