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python - How to use sin(x) and cos(x) functions with eval

I need a program which can make graphs by matplotlib with functions I write in the console. But it doesn't work with ... .ylabel('y') plt.show() See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - How to parse JSON using GSON

My Json response is something as below and confused how to parse it using GSON. Please have look on the following and guide ... : "Ea." } ] } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - find cities and country name from string

I have cities and countires list in a json file. For a given string, I need to check the city name and country ... else{ output+=myString[i]} } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Check if null before set to null?

Should we check if variable is null before setting it to null? if (MyBills != null) { MyBills = ... the performance implications are irrelevant. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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mysql - PHP/SQL inserting data to sql

I'm trying to insert data to sql from my form but the data is not going into my sql table. Also I'm not getting ... " ></th> </tr> </form> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Writing information from SQL Server to C#

Below I have a piece of code that should be writing out columns from my database, however when I try to ... I will very much appreciate it. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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r - Reshaping longitudinal value to wide, for data with multiple rows per subject

R: Reshape data from long to wide, including a date (I was trying to include data, but the formatting was so ... 1 NA 4 3 2 in conclusion See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Unable to get data from Sql Server 2005 (connection time out exception)

java.sql.SQLException: Network error IOException: Connection timed out: connect at net.sourceforge.jtds.jdbc.ConnectionJDBC2.( ... ,"mahesh");** See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c - How do I solve 10.4 MISRA 2012 rule?

Essential type of the left hand operand usart[0U].tx_count (unsigned) is not the same as that of the right operand ... 0) // error in this line See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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multiple search and replace in python

I need to search in a parent folder all files that are config.xml and in those files replace one string in another. (from this-is to where-as) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Implementation of dragging route

I did not find any example of draggable routing, an example that had a definite route, and I could click somewhere on ... me to take as a basis? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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ios - can xcode version name include alphabets

Can I include alphbets in xcode version See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - How to get Image URL from a ImageView

I have no idea how to get an Image URL from already settled ImageView. Actually, I have an ImageView over which ... or not ? Thanks in advance. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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go - How to parse time with unique format in golang?

I have date time with format 18/09/21 14.56 from excel. I want to parse and format to different format 2006-01-02 ... eg. 2006-01-02 hh:mm:ss See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Reading binary file into char array in c++

std::streampos size; char * memblock; std::ifstream input ("A.JPG", std::ios::in|std::ios::binary|std:: ... size is equal to 28403? Thank you. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - How to pass JSON data from ListView to new activity

I have created a ListView that is populated with JSON data, and I have included OnItemClickListener to open a new ... (obj.getString("title")); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - Why doesn't this "is not" if statement work?

This is my code, if diff != "1" or diff != "2" or diff != "3": print("You need to pick ... the numbers prints instead. Why does this happen? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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regex - Scala: How to replace all consecutive underscore with a single space?

I want to replace all the consecutive underscores with a single space. This is the code that I have written. ... (newName) Answer: "cust_id" See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Circular Dependency in classes and StackOverflow Error

Though the practice that I have been following could be inappropriate. Still looking for a fix to my problem ... methods defined in the former. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Errors using same port on different machines

I have written an application ( called M2 ) which reads data arriving on one port, processes it, then sends ... takes an extremely long time. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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pycharm - why does my function is returning data type None??: Python datatype None

This is my python code for printing an absolute number. My function is returning type None. I am not getting what I ... Value is: " print n(no) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Performance slowdown when using Julia's built-in functions

A research group I am a part of has recently decided to try migrating to Julia from our previous coding language ... causes we should look into? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - RecyclerView not displaying in Fragment

New to Android, I used the code from https://github.com/tutsplus/Android-CardViewRecyclerView which is working ... helped me. Many thanks. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Why uninitialized char array is filled with random symbols?

I have a this fragment of code in C++: char x[50]; cout << x << endl; which outputs some random symbols as ... : is there any way to avoid this? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How Can I Output a Remark Column with rowspan Without Duplicates for same group in Coldfusion (Re formated)

I am writing a Software for a company. Please friends, I want you to help me. This company is a paint company ... </cfoutput> </cfoutput>][1] See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Python Printing Dictionary Key and Value side by side

I want a program that prints Key and Value side by side for the following code: This is a Dictionary: d = {'M': ... F, Name1 F, Name2 F, Name3 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Load PowerPoint file in Android

I am trying to make a PPT viewer app.I have added the pptViewer library in my project from https://github.com/ ... /waheed/lab6.pptx"); } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript replace / or / to single slash /

I know alot of answers are out there for string replace in javascript, but I can't find one for / to /. ... in so to replace. Thank you See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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