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What is the main difference between Inheritance and Polymorphism?
...tion in an end of module open book exam today and found myself lost. I was reading Head first Java and both definitions seemed to be exactly the same. I was just wondering what the MAIN difference was for my own piece of mind. I know there are a number of similar questions to this but, none I have ...
How to get the device's IMEI/ESN programmatically in android?
...AndroidManifest.xml:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
in order to do this.
That being said, be careful about doing this. Not only will users wonder why your application is accessing their telephony stack, it might be difficult to migrate data over if t...
Skip rows during csv import pandas
I'm trying to import a .csv file using pandas.read_csv() , however I don't want to import the 2nd row of the data file (the row with index = 1 for 0-indexing).
...
How should I read a file line-by-line in Python?
...a nightmare.
Or you could just use the with block.
Bonus Question
(Stop reading now if are only interested in the objective aspects of the question.)
Why isn't that included in the iterator protocol for file objects?
This is a subjective question about API design, so I have a subjective ans...
Local Storage vs Cookies
...kies and local storage serve different purposes. Cookies are primarily for reading server-side, local storage can only be read by the client-side. So the question is, in your app, who needs this data — the client or the server?
If it's your client (your JavaScript), then by all means switch. You'...
Open an IO stream from a local file or url
...ring that contains either a path to a local file or a url and open it as a readable IO stream.
1 Answer
...
How can I play sound in Java?
...at.
public static synchronized void playSound(final String url) {
new Thread(new Runnable() {
// The wrapper thread is unnecessary, unless it blocks on the
// Clip finishing; see comments.
public void run() {
try {
Clip clip = AudioSystem.getClip();
AudioInputStream ...
Create an index on a huge MySQL production table without table locking
...-syntax-notes
In MySQL 5.6 and higher, the table remains available for read and write operations while the index is being created or dropped. The CREATE INDEX or DROP INDEX statement only finishes after all transactions that are accessing the table are completed, so that the initial state of the...
Continuously read from STDOUT of external process in Ruby
...ally important that blender is the external process whose stdout I need to read.
6 Answers
...
How to generate a random string of a fixed length in Go?
...ficantly.
Having said that, even if you don't need the fastest solution, reading through this answer might be adventurous and educational.
I. Improvements
1. Genesis (Runes)
As a reminder, the original, general solution we're improving is this:
func init() {
rand.Seed(time.Now().UnixNano()...