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Why are side-effects modeled as monads in Haskell?
...py it, which is basically impossible. (Think of trying to copy the entire filesystem, for example. Where would you put it?) Therefore, our definition of IO encapsulates the states of the whole world as well.
Composition of "impure" functions
These impure functions are useless if we can't chain th...
How to create a new (and empty!) “root” branch?
...This will create a new branch with zero commits on it, however all of your files will be staged. At that point you could just remove them.
("remove them": A git reset --hard will empty the index, leaving you with an empty working tree)
Take a look at the man page for checkout for more information o...
Custom UITableViewCell from nib in Swift
...ableViewCell {
// Link those IBOutlets with the UILabels in your .XIB file
@IBOutlet weak var middleLabel: UILabel!
@IBOutlet weak var leftLabel: UILabel!
@IBOutlet weak var rightLabel: UILabel!
}
TableViewController.swift
import UIKit
class TableViewController: UITableViewCont...
How to set Java environment path in Ubuntu
...
set environment variables as follows
Edit the system Path file /etc/profile
sudo gedit /etc/profile
Add following lines in end
JAVA_HOME=/usr/lib/jvm/jdk1.7.0
PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
export JAVA_HOME
export JRE_HOME
export PATH
Then Log out and Log in ubuntu for se...
How to extract public key using OpenSSL?
The following command generates a file which contains both public and private key:
5 Answers
...
HTML5 record audio to file
...ultimately want to do is record from the user's microphone, and upload the file to the server when they're done. So far, I've managed to make a stream to an element with the following code:
...
Trust Store vs Key Store - creating with keytool
...t purposes. Keystores come in various formats and are not even necessarily files (see this question), and keytool is just a tool to perform various operations on them (import/export/list/...).
The javax.net.ssl.keyStore and javax.net.ssl.trustStore parameters are the default parameters used to buil...
How can I test what my readme.md file will look like before committing to github?
...hub project in the .md format. Is there a way can I test what my readme.md file will look like before committing to github?
...
IIS Express Windows Authentication
...0 to host a silverlight application. I modified my applicationhost.config file to allow for modification of the proper configuration settings. I have the following in my web.config:
...
How can I run MongoDB as a Windows service?
...
It requires a logfile path, you can add the dbpath and logfile path like this mongod --dbpath="c:\data\db" --logpath="c:\data\db\log.txt" --install , After this you need to run net start MongoDB.
– sivaram636
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