There are many possible reason that you will get "R cannot be resolved to a variable" in eclipse. This post I will list some of them that I have met. 1. Your package has been changed, but not
1. MySQL Data Types There are mainly five data types in MySQL: Interger Type: BIT、BOOL、TINY INT、SMALL INT、MEDIUM INT、 INT、 BIG INT Float Type: FLOAT、DOUBLE、DECIMAL String Type:
For many wordpress users, there are so many comment spam everyday, if he does not use some plugins to due with them( such as Akismet, etc). He must be very angry about these spams. If you want to delete
There are more and more spammers in my another wordpress blog, they post various comments with some links in it, few of them are useful for my article. So I want to remove these links in comments.
Here are three popular webpage screenshot extensions for chrome, we know there are some other screenshot extension in Google chrome, but we do not them entirely. I believe you can find one of them
Many people are not accustomed to use Bing as the default search engine in internet explorer. Usually we can set the default search providers in the first time. there is a simple way I will demonstrate
Every people have many bookmarks in his/her firefox. we should backup these bookmarks for a regular days. It is very easy to backup or restore bookmarks in firefox. Here it is a simple tutorial demonstration. How
Close tab by double click extension is the best add-on I have used, I install it in whatever browsers. Here I collect some add-ons (plugins) about double click close tab for main popular browsers.
In chrome browser, the startup and home page do not mean one thing. The start up settings only affect the chrome start, it has different settings. Surely, it is too easy to set a homepage in chrome, but
This article recommend some popular extensions of firefox. Extension is not plug-in, you can only find several plug-ins in official site. but the mount of extensions is very large. I collect some of them