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What happens to global and static variables in a shared library when it is dynamically linked?
... 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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What is the difference between integration and unit tests?
...nit tests to ensure Sentence behaves correctly when it interacts with Word based on Word's interface, then I write the integration test to make sure that my assumptions about the interactions were correct. For this I supply the actual objects and write a test that exercises a feature that will end u...
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?
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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...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
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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.
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Curly braces in string in PHP
...agree. I use this pattern when the class attributes map to fields in a database table. While it is possible to store arrays in a database using serialization, it is inefficient, and pointless if the individual fields must be indexed. I often add an array of the field names, keyed by the iterator, fo...
Are non-synchronised static methods thread safe if they don't modify static class variables?
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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...