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python - Don't understand these ModuleNotFound errors

I am a beginner and learning Python. I have setup the environment with SublimeText and Python3.x I am fine in ... name 'Demo' is not defined See Question&Answers more detail:os...

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

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webview - android: after closing the app its still running

I am using webview, and I'm appending some query string with the URL. Say URL is file:///android_asset/www/ ... is happening, it worth for me. See Question&Answers more detail:os...

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

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Watermarking image position[asp.net]

I'm trying to follow this article and it was easy to implement text over image and now my problem is ... GraphicsUnit.Pixel, imageAttributes ); See Question&Answers more detail:os...

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

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Function in R that returns first word in a sentence that is having a length which is an even number & also longest even word

This function should return the longest even word(string) that is the first occurence of a string with maximal ... even words eyes, mirror. 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 - Combine multiple results into 1

Suppose I have multiple queries: SELECT col1, col2 FROM tab1; SELECT colA, colB FROM tab2; SELECT colTest, colBlah FROM tab3; ... --+---------+ 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 - Make loop stop by pressing dot

I need to write a program that asks you to enter numbers and when you press dot it will end the loop and display how ... , p, n); return 0; } 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 to pass an Excel file from a WinForms client to a WCF service and into an SQL Server table?

How to pass an Excel file from a WinForms client to a WCF service and into an SQL Server table? Can anyone ... (MAX) column in SQL Server. See Question&Answers more detail:os...

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

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promise - javascript catch multiple errors with one catch

Let's say I have 3 functions with promises: function1().then(() => { function2().then(() => { ... the functions' promises with one statement? See Question&Answers more detail:os...

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

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sql server - How can I Compare two tables without relationship (1 table with 40k records and the other one with 7k records)?

I tried using Cross Join but it takes 5 minutes to run, there is another way to do that? Note: I'm ... FILE C FILE Trying to achieve SampleCode 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 - Download a file from spring boot rest services from angular 5

I have spring boot service which provides csv file as response. How do we call this service from angular 5 ... new to UI technologies. 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++ - storing integer values in a bool variable

I'm trying to store integer values in a boolean array, however when I print the values out, they only come out ... returns a string return 0; } 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++ - Preprocessor examples in C language

I want some examples of C preprocessor directives, such as: #define pi 3.14 #define MAX 100 I know ... , more about preprocessor directives. 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 Combine various logical operators within Boolean or if statements

I have a dataframe listing 400 Products. Each of these Products belong to a certain category: BODY CLEANSING, HAIR, ... help is appreciated!!!! 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 - How to download and save all PDF from a dynamic web?

I am trying to download and save in a folder all the PDFs contained in some webs with dynamic elements i.e ... write(requests.get(link).content) 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 - Pandas Remove a row when a particular kind of value appears in a column

I've a DF like this UNIT EXITSn_hourly Interval 1867 R081 104 00:00:00-04:00:00 1868 R081 0 04:00:00- ... (head7.UNIT) print required_df.head(5) 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 to insert datetime in mysql using php

i am currently creating an application. I have created a form where the user is able to choose a year,month,day,hour ... >"; } ?> </select> 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 to use a CMD command in c++?

I want to use this cmd command ROBOCOPY D:folder1 D:folder2 /S /E with conditions to copy the contents of ... to folder4 what should i do? See Question&Answers more detail:os...

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

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PHP printf adds something after formatted string

When im using printf, printf("%.2f z?", 20.4); it returns 20.40 z?9 but i want 20.40 z? When i ... How can I use printf for currency correctly? 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 - Trigger event based on specific inputs into a textarea

I'm trying to trigger a JS event when there are four consecutive linebreaks inside of a textarea. The ... four consecutive linebreaks. 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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How to store dynamically values in array using XSLT and make comparison of values?

Below is a good example, but how can I store values dynamically....Could you please explain? <xsl:variable name ... of amount should be 18. 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# - Replace double backslashes with single backslash

I have created a search function within a media player that uses a list-box to output the data and when a user ... a result the song won't play 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 - Try-Catch inside a loop

In the below code, I ask the user to give an integer input and if the input is 0 or a negative number, ... ; numberOfPeople = input.nextInt(); } 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 - Cython interfaced with C++: segmentation fault for large arrays

I am transferring my code from Python/C interfaced using ctypes to Python/C++ interfaced using Cython. The new ... dtype='int32') does work. See Question&Answers more detail:os...

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

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opengl - How do I make a simple 2D shape move using the keyboard with GLUT

I'm trying to make a simple square shape in GLUT have keyboard functions which will make it move around the screen ... ; glEnd(); glPopMatrix(); 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 - Unit testing a function that depends on database

I am running tests on some functions. I have a function that uses database queries. So, I have gone ... hit while testing this function? See Question&Answers more detail:os...

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

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327 views

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android - If there is data in query or Path it show data in FirestoreRecyclerAdapter. but when there is no data at that path

I use FirestoreRecyclerAdapter with query. I show the loading till it's not getting into onBindViewHolder(). If it ... ViewHolder(view); } }; 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 - Turn extraction list to csv file

I have uploaded a raster file and polyline shapefile into R and use the extract function to to extract the data ... extract into a CSV file? 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 - Android variable availability (can not be resolved)

While trying to run my app, I noticed that a few errors claiming that many variables can not be resolved, even ... an empty string at all times. See Question&Answers more detail:os...

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

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