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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...
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).
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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
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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()...
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 ...
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
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Should accessing SharedPreferences be done off the UI Thread?
With the release of Gingerbread, I have been experimenting with some of the new API's, one of them being StrictMode .
6 An...
What does Serializable mean?
..., for instance for saving onto the disk. Deserialization is the opposite - reading data from the disk to hydrate/create an object.
In the context of your question, it is an interface that if implemented in a class, this class can automatically be serialized and deserialized by different serializers...
Good tutorials on XMPP? [closed]
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Be ready to see tons of typos and mistakes while reading XMPP The Definivie Guide (mostly in sample code)
– kas-kad
Oct 15 '15 at 18:29
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Patterns for handling batch operations in REST web services?
...te partial resources, or resource attributes. That is, update each markedAsRead attribute. Basically, instead of treating the attribute as part of each resource, you treat it as a bucket into which to put resources. One example was already posted. I adjusted it a little.
POST /mail?markAsRead=true
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