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How does IPython's magic %paste work?
...y code to IPython directly: you may have to first disable auto-indentation by entering %autoindent.
– Eric O Lebigot
Jan 15 '13 at 3:51
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What is the use of a private static variable in Java?
...ere as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
...
Setting environment variables on OS X
... does not work for applications launched via Spotlight. This is documented by Steve Sexton here.
Open a terminal prompt
Type sudo vi /etc/launchd.conf (note: this file might not yet exist)
Put contents like the following into the file
# Set environment variables here so they are available globall...
How does the Amazon Recommendation feature work?
...times (how long before you click back and pick a different item)
Ratings by you or those in your social network/buying circles - if you rate things you like you get more of what you like and if you confirm with the "i already own it" button they create a very complete profile of you
Demographic ...
@synthesize vs @dynamic, what are the differences?
... tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else (like the superclass or will be provided at runtime).
Uses for @dynamic are e.g. with subclasses of NSManagedObject (CoreData) or when you want to create an outlet for a property define...
curl -GET and -X GET
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By default you use curl without explicitly saying which request method to use. If you just pass in a HTTP URL like curl http://example.com it will use GET. If you use -d or -F curl will use POST, -I will cause a HEAD and -T w...
Creating a custom JButton in Java
...keyboard shortcuts and other accessibility features that you can't do just by having a paint() method print a pretty picture. It may not be done the best way however, but it may be a good starting point for you.
Edit 8/6 - If it wasn't apparent from the images, each Die is a button you can click. ...
How to generate a random alpha-numeric string?
... cause encoding problems if identifiers are included in URLs or re-entered by hand.
The underlying source of randomness, or entropy, for session identifiers should come from a random number generator designed for cryptography. However, initializing these generators can sometimes be computationally ...
How to start nginx via different port(other than 80)
...led/ and if this is the default configuration, then there should be a file by name: default.
Edit that file by defining your desired port; in the snippet below, we are serving the Nginx instance on port 81.
server {
listen 81;
}
To start the server, run the command line below;
sudo service ...
Location of my.cnf file on macOS
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This thread on the MySQL forum says:
By default, the OS X installation does not use a my.cnf, and MySQL just uses the default values. To set up your own my.cnf, you could just create a file straight in /etc.
OS X provides example configuration files at /usr/l...