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How do I abort the execution of a Python script? [duplicate]
...exit with zero.
import sys
sys.exit("aa! errors!")
Prints "aa! errors!" and exits with a status code of 1.
There is also an _exit() function in the os module. The sys.exit() function raises a SystemExit exception to exit the program, so try statements and cleanup code can execute. The os._exit...
Using Vim's persistent undo?
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Put this in your .vimrc to create an undodir if it doesn't exist and enable persistent undo. Tested on both Windows and Linux.
" Put plugins and dictionaries in this dir (also on Windows)
let vimDir = '$HOME/.vim'
let &runtimepath.=','.vimDir
" Keep undo history across sessions by st...
How can you escape the @ character in javadoc?
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This is an "at" symbol: @
Of course, this will work for any characters, and is the "officially supported" way of displaying any "special" characters.
It is also the most straighforward - you don't need to know the hex code of the character, and you can read what you've typed!
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Is there a git-merge --dry-run option?
...it --no-ff $BRANCH
To examine the staged changes:
$ git diff --cached
And you can undo the merge, even if it is a fast-forward merge:
$ git merge --abort
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JavaScript: Create and save file [duplicate]
I have data that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
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MySQL error code: 1175 during UPDATE in MySQL Workbench
...update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL editor from inside the workbench. I'm writing the following command:
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How to use FormData for AJAX file upload?
This is my HTML which I'm generating dynamically using drag and drop functionality.
9 Answers
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What is a smart pointer and when should I use one?
What is a smart pointer and when should I use one?
14 Answers
14
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Amazon Interview Question: Design an OO parking lot [closed]
Design an OO parking lot. What classes and functions will it have. It should say, full, empty and also be able to find spot for Valet parking. The lot has 3 different types of parking: regular, handicapped and compact.
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Add a properties file to IntelliJ's classpath
...ct Structure.
Select your module.
Find the folder in the tree on the right and select it.
Click the Sources button above that tree (with the blue folder) to make that folder a sources folder.
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