I have a collection. The coll has strings:
Location=”Theater=1, Name=regal, Area=Area1″
Location=”Theater=34, Name=Karm, Area=Area4445″ etc. I have to extract the name bits from the string.
Tag: Medium
Algorithm – thousands of lights with triangles in 3D space
There are thousands of rays and triangles. We need to get all the intersections. If we use a normal two-level loop, we need O(mn) time complexity. Is there How to reduce the time complexity from O(
Environment variable settings in Linux
Three methods for setting environment variables under Linux: If you want to add a path to $PATH, you can do it like the following Do this:
1. Set in the console, disapproved This way, because
Process management in Linux
—
title: Process Management in Linux
date: 2019-7-2
categories:
– Linux
—
### View
#### ps
Use ps to view the process running status at a certain point in time. ps auxf -> Li
Linux Switch Memory Display Unit in the TOP command
The memory information at the top can be switched by pressing E when top is running, and the conversion rate is 1000 each time, but there is no unit. The switching unit is k, m, g, t, p:
2.
How to insert a specific symbol in the QT widget
I want to make buttons with specific mathematical symbols, such as square root, delta, sigma, pi, etc. How to do this? I am using Qt 5 and unicode. Thank you Just need any Unicode documentation a
Detailed information in software development
Foreword?
I think that for software developers, the concept of “coding” is not unfamiliar, even “frequent contact”. In the process of writing code, “coding problem” is a The programmer has no choi
Qt, qurl, qurlquery: Special character is encoded in the query string
I created a URL query like this:
QString normalize(QString text)
{
text.replace(“%”, “%25”);
text.replace(“@”, “%40”);
text.replace(“‘”, “%27” );
text.replace(“&”, “%26”);
text.rep
Why is the shared library path hard coded in executable?
I recently got a binary test. When I checked it with objdump, I found that it contains a hard-coded library path. Why do I need to hard-code such a path? Shouldn’t you get the path from the SHELL e
[Data Structure] During the secondary line of the binary tree, a iterator is realized to traverse the binary tree.
1. Create a node of the binary tree
#pragma once #include#includeusing namespace std;enum PointerTag{ THREND, LINK,};templatestruct BinaryTreeThdNode{ typedef BinaryTreeThdNode Node; BinaryTr