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Should I always use a parallel stream when possible?
...plying an action that involves IO (e.g. myListOfURLs.stream().map((url) -> downloadPage(url))...).
– Jules
Jul 30 '16 at 9:26
6
...
surface plots in matplotlib
...f all you have is a list of 3d points, rather than some function f(x, y) -> z, then you will have a problem because there are multiple ways to triangulate that 3d point cloud into a surface.
Here's a smooth surface example:
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
# Axes3D...
What is Java Servlet?
...ld have an entry into this file
So this lookup happens like- url-pattern -> servlet-name -> servlet-class
How to "install" Servlets?
* Well, the servlet objects are inherited from the library- javax.servlet.* . Tomcat and Spring can be used to utilize these objects to fit the use case.
Ref-...
Change the Right Margin of a View Programmatically?
...nyone looking... when you cast a float to an int, the float rounds. 0.0 -> 0.4 rounds to 0 while 0.5 -> 0.9 rounds to 1. This can create inconsistencies in the final ints. To prevent this, adding 0.5 ensures all rounding is to 1. Why? say your float is 0.3: 0.3 + 0.5 = 0.8 which rounds UP...
What goes into the “Controller” in “MVC”?
... the moment the user hits "Submit" rather than wait for the whole submit -> process -> load page cycle before telling them they screwed up.) Just be careful; you don't want to duplicate effort any more than you have to, and in a lot of environments (again, I'm thinking of the web) you often h...
What does “Memory allocated at compile time” really mean?
...t compile-time. Also a global variable has static storage duration by default: it is allocated in the static memory area of the process memory space (.data/.bss section). Given that information, the compiler decides during compilation in what address of that static memory area the array will be.
O...
Difference between CC, gcc and g++?
...$ ls -l /usr/bin/c++
lrwxrwxrwx 1 root root 21 Jul 31 14:00 /usr/bin/c++ -> /etc/alternatives/c++
uddhavpgautam@UbuntuServer1604:~/Desktop/c++$ ls -l /etc/alternatives/c++
lrwxrwxrwx 1 root root 12 Jul 31 14:00 /etc/alternatives/c++ -> /usr/bin/g++
...
What exactly do “IB” and “UB” mean?
...defined behavior - the compiler must document what it does. Performing a >> operation on a negative value is an example.
UB: undefined behavior - the compiler can do what ever, including simply crashing or giving unpredictable results. Dereferencing a null pointer falls into this category, b...
How do I verify jQuery AJAX events with Jasmine?
...3, callback);
waitsFor(function() {
return callback.callCount > 0;
});
runs(function() {
expect(callback).toHaveBeenCalled();
});
});
function getProduct(id, callback) {
$.ajax({
type: "GET",
url: "data.json",
contentType: "application/...
Why are private fields private to the type, not the instance?
... encapsulation is to lower mutual dependence of different pieces of code" >> no. Encapsulation can also mean instance-encapsulation, it depends on the language or school-of-thought. One of the most definitive voices on OO, Bertrand Meyer, considers this even the default for private. You may ch...