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Why should I use document based database instead of relational database?
...typical kinds of applications or domains where the document based database is more suitable than the relational database?
7...
Real World Example of the Strategy Pattern
...ng about the OCP principal and how to use the strategy pattern to accomplish this.
17 Answers
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Rounding up to next power of 2
...n that returns the nearest next power of 2 number. For example if my input is 789, the output should be 1024. Is there any way of achieving this without using any loops but just using some bitwise operators?
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Use PHP composer to clone git repo
...to use composer to automatically clone a git repository from github that isn't in packagist but it's not working and I can't figure out what am I doing wrong.
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Java Pass Method as Parameter
... a look at the command pattern.
// NOTE: code not tested, but I believe this is valid java...
public class CommandExample
{
public interface Command
{
public void execute(Object data);
}
public class PrintCommand implements Command
{
public void execute(Objec...
Efficient evaluation of a function at every cell of a NumPy array
Given a NumPy array A , what is the fastest/most efficient way to apply the same function, f , to every cell?
6 Ans...
“No newline at end of file” compiler warning
What is the reason for the following warning in some C++ compilers?
11 Answers
11
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What does |= (ior) do in Python?
...ts: a union operation
dicts: an update operation
counters: a union (of multisets) operation
numbers: a bitwise OR, binary operation
In most cases, it is related to the | operator. See examples below.
Sets
For example, the union of two assigned sets s1 and s2 share the following equivalent expressi...
Is there an expression for an infinite generator?
Is there a straight-forward generator expression that can yield infinite elements?
7 Answers
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How to check type of variable in Java?
How can I check to make sure my variable is an int, array, double, etc...?
13 Answers
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