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What is “callback hell” and how and why does RX solve it?
... that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
8 Answers
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How to select a single field for all documents in a MongoDB collection?
... pretty() will only be useful when executing via shell, not from scripts.
– Dinakar
Aug 25 '19 at 3:44
SVN: Is there a way to mark a file as “do not commit”?
...commit!
I work on the linux command-line: so my solution is to create a script /usr/bin/svnn (yes, with two 'n's!) as follows:
#! /bin/bash
DIR=/home/mike/dev/trunk
IGNORE_FILES="\
foo/pom.xml \
foo/src/gwt/App.gwt.xml \
foo/src/main/java/gwt/Common.gwt.xml \
foo...
How do you read from stdin?
...t).
open(0).read() - In Python 3, the builtin function open accepts file descriptors (integers representing operating system IO resources), and 0 is the descriptor of stdin. It returns a file-like object like sys.stdin - probably your best bet for golfing. In Python 2, this is io.open.
open('/dev/st...
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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Adding the following two line sat the top of my .py script worked for me (first line was necessary):
#!/usr/bin/env python
# -*- coding: utf-8 -*-
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Changing default encoding of Python?
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If you get this error when you try to pipe/redirect output of your script
UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-5: ordinal not in range(128)
Just export PYTHONIOENCODING in console and then run your code.
export PYTHONIOENCODING=utf8
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ExpressJS How to structure an application?
...n, so I've gone ahead and created a scaffolding github repository with JavaScript code and a long README about how I like to structure a medium-sized express.js application.
focusaurus/express_code_structure is the repo with the latest code for this. Pull requests welcome.
Here's a snapshot of the...
Given two directory trees, how can I find out which files differ by content?
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Perl script colordiff is very useful here, can be used with svn and normal diff.
– Felipe Alvarez
May 15 '14 at 2:37
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Error 1022 - Can't write; duplicate key in table
... thought MySQL Workbench would have fixed this when exporting the creation script, but that's what I get for "Ignore"ing the warning about this sort of thing when I opened the project.
– SnowInferno
Oct 1 '14 at 0:17
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PyLint “Unable to import” error - how to set PYTHONPATH?
... For Windows it's { "python.pythonPath": "${workspaceFolder}\\.venv\\Scripts\\python.exe" "python.linting.pylintPath": "${workspaceFolder}\\.venv\\Scripts\\pylint.exe" } Just for completeness.
– Roy2511
May 7 '19 at 5:54
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