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Read a file in Node.js
...
Run this code, it will fetch data from file and display in console
function fileread(filename)
{
var contents= fs.readFileSync(filename);
return contents;
}
var fs =require("fs"); // file system
var data= fileread("abc.txt"...
How to create abstract properties in python abstract classes
...I create a base abstract class Base . I want all the classes that inherit from Base to provide the name property, so I made this property an @abstractmethod .
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How can I use Homebrew to install both Python 2 and 3 on Mac?
...etween versions.
Here is what I did to set up:
STEP1:
Remove all pythons from your mac
brew uninstall --ignore-dependencies --force python
sudo rm -rf ~/miniconda3/
sudo rm -rf ~/.conda/
Remove the following from ~/.bash_profile
export PATH="/Users/ishandutta2007/miniconda3/bin:$PATH"
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How can you do anything useful without mutable state?
...tand the syntax and underlying principles, then your eyes just glaze over. From your point of view, it looks as if I'm doing the same thing as an imperative language, but just setting up all kinds of boundaries to purposefully make programming more difficult. My point of view, you're just experienci...
The command rbenv install is missing
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The install command is not embedded into rbenv, it comes from the ruby-build plugin. You can install it using the command:
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-bui...
Convert an NSURL to an NSString
I have an app where the user can choose an image either from the built-in app images or from the iphone photo library. I use an object Occasion that has an NSString property to save the imagePath .
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Rails migration for has_and_belongs_to_many join table
...p columns. Here is a better example of a has_and_belongs_to_many migration from the link you gave. I'm looking for a way to do it from the command line with script/generate migration ...
– ma11hew28
Dec 7 '10 at 20:44
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Xml serialization - Hide null values
...due to an error when reflecting the type) until I removed the XmlAttribute from the nullable int-property.
– Matze
May 3 '13 at 11:52
2
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Passing data to Master Page in ASP.NET MVC
...s a strongly typed view data class containing its information and deriving from the master pages view data:
public class IndexViewData : MasterViewData
{
public string Name { get; set; }
public float Price { get; set; }
}
Since I don't want individual controllers to know anything about pu...
String comparison using '==' vs. 'strcmp()'
...
Wow +1. Quote from the link: "It is established behavior for function that receive the wrong type of argument(s) to return null". That's amazing considering the manual just says this: "Returns < 0 if str1 is less than str2; > 0 if st...