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What are good alternatives to SQL (the language)? [closed]
I occasionally hear things about how SQL sucks and it's not a good language, but I never really hear much about alternatives to it. So, are other good languages that serve the same purpose (database access) and what makes them better than SQL? Are there any good databases that use this alternative l...
Providing white space in a Swing GUI
...CardLayout (example) :
CardLayout(int hGap, int vGap)
Example to display all constructors in action :
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class LayoutExample {
private final int hGap = 5;
private final int vGap = 5;
private String[] borderConstr...
Covariance and contravariance real world example
... you have a method that returns an IEnumerable<Teacher>. Covariance allows you to directly use that result for the methods that take an IEnumerable<Person>, substituting a more derived type for a less derived (more generic) type. Contravariance, counter-intuitively, allows you to use a...
How does OAuth 2 protect against things like replay attacks using the Security Token?
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Yeah I know, $30 for one donut! It must be delicious! I reached for my wallet when suddenly I heard the chef yell "NO! No donut for you". I asked: why? He said he only accepts bank transfers.
Seriously? Yep, he was serious. I almost walked away right there, but then the donut called out to me: "...
What is the purpose of mock objects?
...s terms, can someone explain what mock objects are, and what they are typically used for when writing unit tests?
11 Answer...
INNER JOIN ON vs WHERE clause
For simplicity, assume all relevant fields are NOT NULL .
11 Answers
11
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How to get the ThreadPoolExecutor to increase threads to max before queueing?
...ounded and full before more threads will be started.
I believe I have finally found a somewhat elegant (maybe a little hacky) solution to this limitation with ThreadPoolExecutor. It involves extending LinkedBlockingQueue to have it return false for queue.offer(...) when there are already some tas...
How can I build a small operating system on an old desktop computer? [closed]
...in, as I know writing an operating system is unbearably complicated (especially by oneself).
20 Answers
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When to use the different log levels
...
I generally subscribe to the following convention:
Trace - Only when I would be "tracing" the code and trying to find one part of a function specifically.
Debug - Information that is diagnostically helpful to people more than just...
How to send a “multipart/form-data” with requests in python?
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Basically, if you specify a files parameter (a dictionary), then requests will send a multipart/form-data POST instead of a application/x-www-form-urlencoded POST. You are not limited to using actual files in that dictionary, howe...