4 conductor 3 5 mm jack

#!/usr/bin/env python# Coding:utf-8Import Redef Dealwith (Express): Express.replace ('+-','-') Express.replace ('--','+') returnexpressdef Col_suanshu (exp):if '/' inchexp:a,b= Exp.split ('/') returnStrfloat(a)/float(b))if '*' inchexp:a,b= Exp.split ('*') returnStrfloat(a) *float(b) def get_no_barcate (Express): Express=express.strip ('()') Print ('>>>', Express) whileTrue:ret= Re.search ("-?\d+\.? \d*[*/]-?\d+\.? \d*", Express)ifRet:res=Col_suanshu (Ret.group ()) Express= Ex

$arr= [1, 2,-4, 4, 10,-23, 4,-5, 1]; $max _sum= 0; $sum=0; $new= []; $i= 1; Echo' ; foreach($arr as $key=$value ){ if($sum){ unset($new[$i]); $i++; $sum=$value; }Else{ $sum+=$value; } $new[$i][] =$value; if($max _sum$sum){ $max _arr=$new; $max _sum=$sum; } } Print_r($max _sum

Package com; public class test {public static void main (string [] ARGs) {system. out. println (getsteps1 (); system. out. println (">>>>>>>>>>>>>>>>>>>>>>>>>>>>"); system. out. println (test. getsteps (); system. out. println (">>>>>>>>>>>>>>>>>>>>>>>>>>>> ");} public static int getsteps () {// use the minimum public multiple to reduce the number of traversal times. Int I = 1; int step = 2; Boolean maxstep = false; while (true) {system. Out. Print ("" + I + "); If (! Maxstep) {if (I % 2 = 1) {s

Package COM. WZS; // Add difficulty to the first question. Use the numbers 1, 2, 3, 4, and 5 to write a main function in Java and print out all the different orders, // For example, 51234, 12345, etc., the requirement: "4" cannot be In the third place, "3" and "

Exercise 3-3 the last three bits of the productEnter several words, enter a number of integers (which can be positive, negative, or 0), and output the last three bits of their product. These integers are mixed with a string of uppercase letters, and your program should ignore them. Tip: Try to enter a string when executing scanf ("%d").#include Summary: 1 Note overflow2 for a break in the bad, the next code

Problem description: there are now n ordered arrays in M groups, such as {1, 2, 3, 4}, {2, 3, 6}, {1, 3, 5, 7 }, select the data smaller than K in these arrays and return this value. Idea: Compare the minimum data selected each time by referring to the process of merging two

47. Innovation workshop (algorithm ):Returns the longest descending subsequence of an array, for example, {9, 4, 3, 2, 5, 3, 2,4,3, 2} Idea: Dynamic Planning Calculates the longest descending subsequence of the sequence of the current number. Each time you look for the longest child sequence, scan the child sequence o

It is not very difficult to see an algorithm question on the Internet. There are also solutions for searching, but there are usually several layers of for loops. I tried to write it down. /*** Give you a set of strings such as {5, 2, 3, 2, 4, 5,}, so that you can output the maximum number of occurrences and the maximu

Int a [5] = {1, 2, 3, 4, 5}; printf ("% d \ n", * (int *) ( a + 1)-2 );, printf % d What is the result of a certain convincing pen question in a certain year? The answer is 4. Why? My understanding (do not know if it is correct ): A is an array pointer of the int type [

1#include2 3void Calcu_maxtrix (inta[3][4],intb[4][2]) 4 {5 intc[3][2];6 for(intI=0;i3; i++)7 { 8 intK;9 Ten for(intj=0;j2; j + +) One { A inttemp=0; - for(

--) { 2 * i; } Console.WriteLine ( "The first child ", "The old one");4.1 () 2 () 3 () 4 = 4; Ask in parentheses I want to fill in (-or +)Think of "+" or "-" as 1,-1, solving with for loop for(intA =-1; A 1; A = a +2) { for(intb =-1; b 1; B = B +2) { for

There are many online questions about sum (1) (2) (3), SUM (All-in-one) that require the same result 6 and requirements can meet the extension, that is, there are multiple parameters can also meet the requirements of the problem, so I wrote some examples can meet the requirements of these surface questions JS in sum (2) (3) (4) returns 9 and sum (2,3) and

the function name itself is a variable. For function declarations and function expressions as shown below, it is very useful to understand that a function in JavaScript cannot be overloaded without considering the difference between a function declaration and a function expression.1 function f (a) {2 return a + 3} 4 5 function f (a) {6 return a-10; 7} 8

Init is one of the most indispensable programs in Linux system operation. Init process, which is a user-level process initiated by the kernel. The kernel will find it in several places in the past that used Init, and its correct location (for Linux systems) is/sbin/init. If the kernel cannot find Init, it will try to run/bin/sh, and if it fails, the boot of the system will fail.Linux 7 RunLevel (0: shutdown, shutdown mode,1: single-user mode,2: Multi-user mode,

); } }The implementation of a YYYY-MM-DD format conversion class, you can see just initialize isodatetimeconverter when the date format is YYYY-MM-DD, the following look at the effect[Jsonconverter (typeof (Chinadatetimeconverter))]public DateTime Birthday {get; set;}Different conversion classes can be implemented according to your needsSix. Custom serialized field names the attribute name defined

Summarize the recent development of CNN Model (i) from:https://zhuanlan.zhihu.com/p/30746099 Yu June computer vision and deep learning1. PrefaceLong time no update column, recently because of the project to contact the Pytorch, feeling opened the deep learning new world of the door. In his spare time, Pytorch trained the recent CNN model of State-of-the-art in image classification, which is summarized in the article as follows: ResNet [1, 2] Wide ResNet [

1 #!/usr/bin/env python2 #-*-coding:utf-8-*-3 #all the numbers of 1-2+3-4+5...99 and4 """5 Assigning a value of 1,sum to start is 0, when the assignment of start is less than 100 while the loop is true6 the assignment of temp equals the remainder of start and 2, if the assig

/*1+2=33+3=66+4=1010+5=1515+6=2121+7=2828+8=3636+9=4545+10=55......*/$a =1;//Results$c Number of =2;//cycleswhile ($c $b = $c; Assign the value of C to B$a = $a + $b;//implement A+b result assignment to a a=3$c ++;//variable c plus 1, the original 2 becomes 3.echo "$a"; Outp

validTimetoidleseconds: In-memory object idle time, per secondMaxelementsondisk: Maximum number of storage on diskTimetoliveseconds: In-memory object survival time, per secondDiskexpirythreadintervalseconds: Specify clear memory data thread execution time periodMemorystoreevictionpolicy: Clear data policy: LRU: Least Recently used FIFO: First in, out-Maxelementsinmemory= "10000"Eternal= "false"Timetoidleseconds= "120"Timetoliveseconds= "120"maxelementsondisk= "10000000"Diskexpirythreadinterva

There are many formulas for calculating pi pai in history, in which Gregory and Leibniz found the following formula: Pai = 4* (1-1/3+1/5-1/7 ...) The formula is simple and graceful, but in a bad way, it converges too slowly. If we rounded to keep its two decimal digits, then: Cumulative 1 items and are: 4.00 Cumulative 2 items and are: 2.67 Cumulative