how to use uint64_t in C [duplicate]
Q: uint64_t should have 64 bits width, why the left shift operation overflows?
Perform commands over ssh with Python
I will refer you to paramiko see this question If you are using ssh keys, do:
Load data from txt with pandas
You can do as: (like, df = pd.read_csv(‘F:\Desktop\ds\text.txt’, delimiter = “\t”)
ssh: The authenticity of host ‘hostname’ can’t be established
Depending on your ssh client, you can set the StrictHostKeyChecking option to no on the command line, and/or send the key to a null known_hosts file. You can also set these options in your config file, either for all hosts or for a given set of IP addresses or host names. EDIT As @IanDunn notes, … Read more
How do you express binary literals in Python?
For reference—future Python possibilities:Starting with Python 2.6 you can express binary literals using the prefix 0b or 0B: You can also use the new bin function to get the binary representation of a number: Development version of the documentation: What’s New in Python 2.6
How to get current time and date in C++?
In C++ 11 you can use std::chrono::system_clock::now() Example (copied from en.cppreference.com): This should print something like this:
Inheriting constructors
If your compiler supports C++11 standard, there is a constructor inheritance using using (pun intended). For more see Wikipedia C++11 article. You write: This is all or nothing – you cannot inherit only some constructors, if you write this, you inherit all of them. To inherit only selected ones you need to write the individual constructors manually and … Read more
Running Python from Atom
The script package does exactly what you’re looking for: https://atom.io/packages/script The package’s documentation also contains the key mappings, which you can easily customize.
What’s the difference between VARCHAR and CHAR?
VARCHAR is variable-length. CHAR is fixed length. If your content is a fixed size, you’ll get better performance with CHAR. See the MySQL page on CHAR and VARCHAR Types for a detailed explanation (be sure to also read the comments).
Regular expression to match standard 10 digit phone number
Matches the following If you do not want a match on non-US numbers use Update :As noticed by user Simon Weaver below, if you are also interested in matching on unformatted numbers just make the separator character class optional as [\s.-]?