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Why is SELECT * considered harmful?
...mer. When you SELECT *, you're often retrieving more columns from the database than your application really needs to function. This causes more data to move from the database server to the client, slowing access and increasing load on your machines, as well as taking more time to travel across the...
How to load/edit/run/save text files (.py) into an IPython notebook cell?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I avoid Java code in JSP files, using JSP 2?
...me Java code to preprocess a request, e.g. preloading some list from a database to display in some table, if necessary based on some query parameters, then implement a servlet and write code accordingly in doGet() method. E.g.:
protected void doGet(HttpServletRequest request, HttpServletResponse re...
How to make Git pull use rebase by default for all my repositories?
...repository such that any git pull done from its (local) clones uses --rebase by default? By searching on Stack Overflow, I learned about branch.autosetuprebase , but it needs to be configured per clone individually.
...
Are non-synchronised static methods thread safe if they don't modify static class variables?
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How do I parse JSON with Objective-C?
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Assert an object is a specific type
...t describes a little bit about the JUnit Matchers.
Example:
public class BaseClass {
}
public class SubClass extends BaseClass {
}
Test:
import org.junit.Test;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.junit.Assert.assertThat;
/**
* @author maba, 2012-09-13
*/
p...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
...>Bye!</div></div></body>
99.9% of generalized regex-based extraction routines will be unable to correctly give me everything inside the div with the ID foo, because they can't tell the closing tag for that div from the closing tag for the bar div. That is because they have no...
Difference between application/x-javascript and text/javascript content types
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What is the global interpreter lock (GIL) in CPython?
...cts can be executed and returned.
which should be contrasted to the other base class ThreadPoolExecutor that uses threads instead of processes
ThreadPoolExecutor is an Executor subclass that uses a pool of threads to execute calls asynchronously.
from which we conclude that ThreadPoolExecutor is ...