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Use of 'prototype' vs. 'this' in JavaScript?
...e [[Prototype]] property.
A function's this is set by how the function is called or by the use of bind (not discussed here). Where a function is called on an object (e.g. myObj.method()) then this within the method references the object. Where this is not set by the call or by the use of bind, it de...
How do I convert a dictionary to a JSON String in C#?
...:
return JsonConvert.SerializeObject( myDictionary );
As opposed to JavaScriptSerializer, myDictionary does not have to be a dictionary of type <string, string> for JsonConvert to work.
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Can git automatically switch between spaces and tabs?
...s:
# local config for the current repo
git config filter.tabspace.smudge 'script_to_make_tabs'
git config filter.tabspace.clean 'script_to_make_spaces'
See Olivier's answer for a concrete working example of such a smudge/clean set of instructions.
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Is it possible to make abstract classes in Python?
...nitions of those methods:
>>> Abstract()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: Can't instantiate abstract class Abstract with abstract methods foo
>>> class StillAbstract(Abstract):
... pass
...
>>> StillAbstr...
Calculate the center point of multiple latitude/longitude coordinate pairs
...
Very useful post! I've implemented this in JavaScript, hereby my code. I've used this successfully.
function rad2degr(rad) { return rad * 180 / Math.PI; }
function degr2rad(degr) { return degr * Math.PI / 180; }
/**
* @param latLngInDeg array of arrays with latitude a...
Incrementing a date in JavaScript
I need to increment a date value by one day in JavaScript.
16 Answers
16
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Linux command (like cat) to read a specified quantity of characters
... - output the first part of files
Synopsis
head [OPTION]... [FILE]...
Description
Print the first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no FILE, or when
FILE is -, read standard input.
Mandatory arguments to long ...
What is the iBeacon Bluetooth Profile
...00
minor: 0000
meaured power at 1 meter: 0xc5 = -59
I have this node.js script working on Linux with the sample AirLocate app example.
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What is __init__.py for?
...kages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an __init__.py file. When a regular package is imported, this __init__.py file is implicitly executed, and the objects it defines are bound to names in the package’s namespace. The...
How to create a remote Git repository from a local one?
...you have already setup and used git using ssh keys, I wrote a small Python script, which when executed from a working directory will set up a remote and initialize the directory as a git repo. Of course, you will have to edit script (only once) to tell it server and Root path for all repositories.
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