Maven error message “no main manifest attribute”. This means that the maven program can’t find the program entry point. This usually happens when your main program is located in a Java package or the class name of the main program… Continue Reading
Solution Change the configuration in Firefox.In URL bar, input about:config Search for security.tls.enable_0rtt_data Set to False
A SMTP server provides mail relay/delivery services. A SMTP server without limiting mail relaying for outside machines would become serious security problem. A good and secure SMTP server should not provide open-relay function to the public. We can use “smtp-cli”… Continue Reading
本篇文章在提供一個圖片產生器 用簡單小程式自動將不同圖層圖片做合成 進行不同排列組合 然後生成新的圖片 希望對於有意生產NFT圖片的朋友 有所幫助 需要進階客製化版本的朋友 可連絡 service@elitekeyboarder.com 設計概念 主要概念是 : 我們去讀取不同圖層的圖片 然後生成新的圖片 首先 我們設計好不同的圖片檔案 做不同的設計把檔案置放於 “Face”, “Eye”, “Mouth”, “Head” 目錄中 記住 務必把圖層背景設定為 “透明” 才能在疊加圖層的時候產生效果 實際的程式循環控制 我們是使用多層式的巢狀迴圈 以確定每一個圖層檔案都能被使用到並且所有的排列組合情況 都能確實地生成 整個程式邏輯非常簡單 假設我們有2個臉部設計, 2個眼部設計, 2個口部設計, 2個頭部設計最終結果 我們就會產生 2x2x2x2 = 16 成品檔案… Continue Reading
Here is an example in Python to batch generate images based on multiple layers. If you are interested in minting NFT images in a bulk, you may like to take a look at this post for efficient generation. Concept We… Continue Reading
Follow steps below to setup multiple virtual hosts on Apache 2.4 Step 1 Create a new file as /etc/apache2/sites-available/aaa.com.conf to represent the virtual host configuration. In this file, you can write the detail of the virtual host setting like Step… Continue Reading
On CentOS 7, the new Nautilus file explorer window doesn’t provide the directory location bar by default. We can manually change the setting of Nautilus and enjoy the capability of location by typing the following command as a regular user(not… Continue Reading
If you configure Apache httpd server and Tomcat server together, you usually use Tomcat connect(AJP) to hook up both of them. Http requests and responses are transferred through the AJP tunnel. AJP works well on HTTP protocols. However, if you… Continue Reading
In web.xml, add following derivative.