How to split a delimited string into an array in awk?
Have you tried:
Converting a String to DateTime
How do you convert a string such as 2009-05-08 14:40:52,531 into a DateTime?
Create a tag in a GitHub repository
You can create tags for GitHub by either using: the Git command line, or GitHub’s web interface. Creating tags from the command line To create a tag on your current branch, run this: If you want to include a description with your tag, add -a to create an annotated tag: This will create a local tag with the current state … Read more
Configuration System Failed to Initialize
Make sure that your config file (web.config if web, or app.config if windows) in your project starts as: Note that inside the configuration element, the first child must be the configSections element. In the name property on section element, make sure you replace YourProjectName with your actual project’s name. It happened to me that I created a webservice in a class library project, then I … Read more
Error while Executing jupyter notebook: [Errno 2] No such file or directory
I have installed anaconda, when I type jupyter notebook, I have got below error. after a lot of google search found below command (it is for Python 3) above command will reinstall everything from PyPi. .even after executing this I have faced below error can you help me solving this problem?
How to get a random number between a float range?
Use random.uniform(a, b):
Rename a column in MySQL
Use the following query: The RENAME function is used in Oracle databases. @lad2025 mentions it below, but I thought it’d be nice to add what he said. Thank you @lad2025! You can use the RENAME COLUMN in MySQL 8.0 to rename any column you need renamed. ALTER TABLE Syntax: RENAME COLUMN: Can change a column name but not its definition. More … Read more
What does the power operator (**) in python translate into?
If you’re interested in the internals, I’d disassemble the instruction to get the CPython bytecode it maps to. Using Python3: OK, so that seems to have done the calculation right on entry, and stored the result. You get exactly the same CPython bytecode for 2*2*2 (feel free to try it). So, for the expressions that … Read more
How do popBackStack() and replace() operations differ?
replace() does 2 things: Remove currently added fragment (A) from the container (C) you indicated Add new fragment (B) to the same container These 2 operations are what is saved as a Backstack record / transaction. Note that fragment A remains in created state, and its view is destroyed. Now popBackStack() reverses your last transaction that you’ve added to BackStack. … Read more
What is the purpose of nameof?
What about cases where you want to reuse the name of a property, for example when throwing exception based on a property name, or handling a PropertyChanged event. There are numerous cases where you would want to have the name of the property. Take this example: In the first case, renaming SomeProperty will cause a compilation error if you … Read more