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How to tell if a file is git tracked (by shell exit code)?
...
try:
git ls-files --error-unmatch <file name>
will exit with 1 if file is not tracked
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How to select a single field for all documents in a MongoDB collection?
... include several fields. In the following operation, find() method returns all documents that match the query. In the result set, only the item and qty fields and, by default, the _id field return in the matching documents.
db.inventory.find( { type: 'food' }, { item: 1, qty: 1 } )
In this example ...
Python argparse mutual exclusive group
...llness', '-b x'])
usage: PROG [-h] [--foo] {command_1,command_2} ...
PROG: error: unrecognized arguments: -b x
Good luck.
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Change auto increment starting number?
...do this!
– h00ligan
Dec 5 '14 at 14:05
16
To clarify: Setting the initial value to 5, means that ...
How to return a string value from a Bash function
... in your scripts and also harder to "forget to 'eval' and have to fix this error":
declare [-aAfFgilnrtux] [-p] [name[=value] ...]
typeset [-aAfFgilnrtux] [-p] [name[=value] ...]
Declare variables and/or give them attributes
...
-n Give each name the nameref attribute, making it a name refere...
What is the equivalent of Java's final in C#?
...e - failing to assign V or assigning V two or more times will result in an error.
C#'s readonly keyword has no such guarantee - the compiler is more than happy to leave readonly members unassigned or allow you to assign them multiple times within a constructor.
So, final and readonly (at least wit...
How to list all functions in a Python module?
I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it.
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How many parameters are too many? [closed]
...e first place, and qualifying your question as much as you did, that you really know all of this. The best solution here is not to rely on a hard and fast number, but instead look towards design reviews and code reviews among your peers to identify areas where you have low cohesion and tight coupli...
How can I represent an 'Enum' in Python?
...y3, e.g. you'll need __order__ in python 2).
To use enum34, do $ pip install enum34
To use aenum, do $ pip install aenum
Installing enum (no numbers) will install a completely different and incompatible version.
from enum import Enum # for enum34, or the stdlib version
# from aenum import...
Check if a folder exist in a directory and create them using C#
...le.txt";
private string _finalPath = null;
private string _error = null;
public DirCombination()
{
InitializeComponent();
if (!FSParse(_Path))
Console.WriteLine(_error);
else
Console.WriteLine(_fina...