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Verifying my Blockstack ID is secured with the address 18Y2t6BKRGcwKPnVueUHwfk4RZ6WBdrNFn https://explorer.blockstack.org/address/18Y2t6BKRGcwKPnVueUHwfk4RZ6WBdrNFn
Keyboard shortcuts for ipython notebook 3.1.0 / jupyter
Toc
Keyboard shortcuts
The IPython Notebook has two different keyboard input modes. Edit mode allows you to type code/text into a cell and is indicated by a green cell border. Command mode binds the keyboard to notebook level actions and is indicated by a grey cell border.
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EXPIRE resource:lock 120 time specified for it to expire in seconds
TTL resource:Lock checks for time remaining for a key to exist
The -2 for the TTL of the key means that the key does not exist (anymore). A -1 for the TTL of the key means that it will never expire. Note that if you SET a key, its TTL will be reset.
Rpush parameter places the object at the end of the list;
Lpush places the object at the beginning of the list;
LRANGE gives a subset of the list.
This specification describes a JavaScript API for performing basic cryptographic operations in web applications, such as hashing, signature generation and verification, and encryption and decryption. Additionally, it describes an API for applications to generate and/or manage the keying material necessary to perform these operations. Uses for this API range from user or service authentication, document or code signing, and the confidentiality and integrity of communications.