摘要： 1. Select product "SUSE Linux Enterprise Server 12 SP3 for SAP" on Google cloud platform, https://console.cloud.google.com/marketplace/details/suse-sa 阅读全文

摘要： Some times ubuntu user disappeared, need to create the same user again and point to the same home drive, use below command id -u username sudo useradd 阅读全文

摘要： 1. Download OpenSSL source code from https://github.com/openssl/openssl/releases. 2. Download and install ActivePerl from https://www.activestate.com/ 阅读全文

摘要： 1. Install conda environment following instructions here. https://www.digitalocean.com/community/tutorials/how-to-install-anaconda-on-ubuntu-18-04-qui 阅读全文

摘要： Background. AOI software needs to use the OCR feature to recognize the texts on the chips. Because our vision software is based on OpenCV, so the firs 阅读全文

摘要： 1. Remove the old version of virtual box. (Note the * is required, because it will remove all the virtualbox related packages) 2. Execute the followin 阅读全文

摘要： If developer want to pre-allocate the memory for some of the cv::Mat, he may do like this: It looks correct at the first glance, but after do some exp 阅读全文

摘要： 有时候原始的repo有了很多更新，这个时候如果需要把这些改动同步到fock的repo，可以采取如下步骤。 1. Clone需要同步的fock的支线。 2. Checkout需要同步的支线 3. 添加原始的repo成为upstream 4. 下载upstream的更新到本地 5. 合并upstream 阅读全文

摘要： 一下步骤安装的是openssl 1.0.2g版本，如果要安装其他版本只需要替换1.0.2g到指定版本，例如1.1.0l 1. sudo apt-get install make (Install compiling library Make) 2. wget https://www.openssl. 阅读全文

摘要： Please note that cv::cuda::GpuMat and cv::Mat using different memory allocation method. cv::cuda::GpuMat the data in is Nvidia Gpu Ram, but cv::Mat st 阅读全文