How to convert an object to json in Node.js?
How to convert general JavaScript objects to json in Node.js?
Assume jo is a JavaScript object, you can convert it to a json string by:
JSON.stringify(jo)
How to convert general JavaScript objects to json in Node.js?
Assume jo is a JavaScript object, you can convert it to a json string by:
JSON.stringify(jo)
How to find out and change the storage engine of tables in MySQL databases? Find out the storage engine of a table in a database: SELECT ENGINE FROM information_schema.TABLES WHERE TABLE_SCHEMA = ‘database’ AND TABLE_NAME = ‘table’ Change the storage engine of a table: ALTER TABLE table ENGINE = type type can be innodb or…
How to install sbt for scala on Fedora Linux? It is not included in the default Fedora repository although scala is included. The download page of scala-sbt.org provides the RPM package. You can install the sbt rpm package by yum. We only need the URL to the RPM package. Here, let take version 0.13.1 as…
I am writing a Bash script accepting input of a path from the user. I want to make the path have no trailing ‘/’, such as ‘/path/to/dir’ instead of ‘/path/to/dir/’. However, as the input is from the user, the input could be ‘/path/to/dir’. My script is intended to handle this. The question is: how to…
Login without PWD is fast and efficient. Running commands in server from local machine also have these benefits. login without PWD: add PC A’s public key to PC B’s authorized keys. > a@A:~> cat .ssh/id_rsa.pub | ssh b@B ‘cat >> .ssh/authorized_keys’ > b@B’s password: Run command remotely ssh root@MachineB “ls” NOTE: running commands remotely is…
Sometimes, we need to write paper reviews after read many papers which belong to a specific area (like information retrieval). I have found some useful links which are as follows. http://www.uwlax.edu/biology/communication/ReviewPapers.htmlhttps://users.ece.utexas.edu/~miryung/teaching/EE382V-Fall2009/review.html Read more: How to convert A4 paper format to read on Kindle 5 How to resume a printing job on HP printer if the…
MPlayer is a great movie player. SSH is a great tool to connect and transfer data over the network securely. Combining these 2 great tools together will be greater. You may already has a small server storing some movies or videos or music and playing them on your laptop will be convenient. In this post,…