The First Cry of Atom

If you maintain the long-running EC2 instance, you may have encountered the situation where you find the initial EBS storage volume insufficient. It may be caused by the log volume increasing rapidly than expected. Or you may put many resources in the instance manually. [Read More]

When I write some trivial code to manipulate the Elasticsearch cluster, one question jumps into my head. [Read More]

After I upgraded the docker to the latest version, I constantly face the following error. [Read More]

Type conversion can be the most googled material in daily programming regardless of the kind of language. That is also the case when writing C++ code. For example, I often forget how to convert the std::string to char * and vice versa. llvm::StringRef brings additional complexity definitely into this conversion... [Read More]

AWS Certificate Manager (ACM) is a service allowing us to manage the complexity around SSL/TLS certificates such as creating, storing, and renewing. ACM handles almost all operational complexity on our behalf to concentrate on the essential application development. That is a massive benefit of using the service if you want... [Read More]