Since the eDigitizer 2.0 released in a couple of year ago, new functions were requested and fulfilled. Some minor bugs were fixed. Now it is time to announce that a brand new version 2.10 is released. The new version brings the following new functions to the application. The linear distance of each segment is calculated [...]
When I wrote an application, eDigitizer 2.0 and its new release eDigitizer 2.10, that allows user to draw lines on images in the PictureBox control, I encountered a problem that lines or shapes I drew on the image are off the place, that is, not positioned in the place I clicked. The problem does not [...]
There are a lot of open source webmail clients available. Their quality and functionality varies greatly. A large number of blogs that introduce and compare them in detail are listed at the end of the article. To search and install a better webmail client for my Ubuntu + Apache server, I mainly tested two PHP [...]
When I debugged an PHP application, an mystery error message show up. Google Chrome shows the following message: This webpage is not available. The webpage at XXXXXX might be temporarily down or it may have moved permanently to a new web address. More information on this error After click the plus sign at the last [...]
PHP provides multiple ways to download and upload files to remote servers, such as fopen, fsockopen, cURL library, and other methods. fopen is the simplest but not the best. A while ago I wrote a function to fetch remote file by using fsockopen. However, I found a lot of problems when I use it. Then [...]