Using invariance to solve concurrency problem
We know that concurrency is the most likely cause of thread insecurity. The main reason is that there is data competition. If multiple threads read only and do not modify the same variable, there will be no thread safety problem. This idea is actually very simple, but it is also ...
Added by keevitaja on Thu, 10 Mar 2022 18:48:14 +0200
#Create a new file in your own directory (~). vimrc
#Add a text configuration (as follows...
#Indicates how many spaces a tab shows by default 8
#Represents the length of the indentation that falls back when the backspace key is pressed in edit mode
Added by Christian B. on Thu, 10 Mar 2022 20:06:04 +0200
JDK hasn't been compiled manually, dare you say you're a Java programmer? (Brother By Sheep- JDK hasn't been compiled manually, dare you say you're a Java programmer? Actual Compile Java Source (JDK Source, JVM) Video Tutorial_ Bell-Bell-Bell_ bilibili)
Compiling JDK by hand is theoretically a better JDK for your computer
Maybe it ...
Added by blacksheepradio on Thu, 10 Mar 2022 20:22:52 +0200
Stack and Queue
2. Definition of stack
using namespace std;
const int N=100010;
//Determine if stack is empty
if(tt>0) not empty
//Top of Stack
Added by markjia on Thu, 10 Mar 2022 19:03:08 +0200
title: javaEE(SSM) learning notes 4: dynamic SQL
Dynamic SQL import
[main function]: splice SQL clauses according to different conditions or different data to achieve similar programming effect in XML files.
[main element (mark)]:
Query criteria: single branch if; Multi branch choose... when... other
Special treatment: where /trim
Added by Benjigga on Thu, 10 Mar 2022 18:34:12 +0200
1, What exactly is the $symbol? $is the attribute defined for the window object in jQuery
$and jQuery can be interchanged when used. In fact, it is a function, which comes from the jQuery library
jQuery and $are used as an attribute of window window.jQuery = window.$ = jQuery; ...
Added by traffic on Thu, 10 Mar 2022 17:48:49 +0200