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Error with a column dataframe with R

I have a problem that has blocked me for 2 days, hope that I can find here a solution: I create a dataframe ... boring 0 1 4 Any idea please? 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 - Map onClick Handler Fails - InvalidValueError: setCenter: not a LatLng or LatLngLiteral: in property lat: not a number

I have a simple page with GMap and Streetview div's. While an external link sets a new location OK ... =YOUR_KEY&callback=pre_init"> </script> 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 - How can I query total pay as student id?

Query as student id and show it as total pay. I was post before about this problem. maybe I was not able to ... table> <?php mysql_close(); ?> 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++ - Can't center my console window by using the following code

void Initialize_Window(void) { RECT rConsole; GetWindowRect(GetConsoleWindow(), &rConsole); SetWindowPos(GetConsoleWindow(), NULL ... to fix 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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java - Comparing two strings works on windows but fails on linux

I have written a unit test, which controls if there are any encoding problems with german letters( ?,?,?,etc ... when I compare two strings. See Question&Answers more detail:os...

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

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Syntax error with template in c++

I have following code: #include <iostream> using namespace std; template<class T> T max(T *data,int len){ int ... help me to fix this problem. See Question&Answers more detail:os...

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

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jquery - Can't understand why this error(Uncaught TypeError: $(...).is(...).each is not a function) got on?

I was doing a simple code of appending the values of checkboxes and I encountered this error. It is a mystery for me ... <div id="msg"></div> See Question&Answers more detail:os...

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

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xcode - convert 9.2532 decimal into binary matlab

I use de2bi(x) but it help only for integer i want to convert for digit with point decimal into binary ... function file with code want output 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 transform a pixel to xamarin.forms units?

there are 160 units per inch. 2.If I created an Photoshop file that are 72 dpi then there will be 72 points per ... / 2? but it is not right. 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 - concatenating and saving multiple pair of CSV in pandas

I am a beginner in python. I have a hundred pair of CSV file. The file looks like this: 25_13oct_speed_0 ... pair file and save simultaneously? See Question&Answers more detail:os...

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

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vector - moving my object with transform.Translate make it move in wrong way

I'm having a hard time with unity trying to translate a simple object. The object move in a 3 dimension ... to help me understand 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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c - Linked list text file loop

My program crashes under a certain instance/case, it complies and runs fine otherwise. We were given a text file ... ->next; } return; } See Question&Answers more detail:os...

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

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HowTo: TFS --> check out C/C++ source files --> build libs through CMakeLists --> using Android Studio

The title explains my purpose and speaks out different problems i encountered trying to implement it: Check out a ... missing Lib_a.h remains! 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# - Can I stop WPF from executing UI actions out of the order in my code

I have a problem where it takes a few seconds to generate a report and send it to the printer (creating the ... else) to avoid the issue. See Question&Answers more detail:os...

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

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update multiple record in erlang

I have a table person with this record -record(person, {id, firstname, lastname, phone}). I want to ... 44444449 this values should became 216 See Question&Answers more detail:os...

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

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pandas - Dataframe column won't convert from integer string to an actual integer

I have a date string in microsecond resolution. I need it as an integer. import pandas as pd data = [" ... cast it to standard Python int See Question&Answers more detail:os...

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

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Problem implementing CSS Sprites

This is my image:- http://www.flickr.com/photos/50525207@N02/5064283850/ CSS n html Now the problem:- When I hover ... My links here... </div> 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 - Rewrite Rule Help ! First Time?

I need some help, It′s my first time using the Rewrite Rule for a link. My website is a eshop. The url will ... $_GET['category'] with the 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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ios - Swift 3 - Open URL from JSON in Safari

I currently have a mobile app that brings in a list of items from a JSON file. The JSON file also has a ... in the list of data if necessary. See Question&Answers more detail:os...

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

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timer - Javascript counter works only once

I have a jsfiddle here - http://jsfiddle.net/5z2vu47a/ It's a simple timer that should change text that taken ... ); } setTimeout(names, 1000); See Question&Answers more detail:os...

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

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swift - Alamofire parameter with multiple values in one Key

How to send parameter as alamofire parameter for the following data? data : {"username":"username","password":" ... but it is not working. 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 - How to highlight item on hover?

I′m integrating a Google Maps in an AngularJS 1.0.7 website. I have a list of items with pictures. In the other ... map onmouseover) </li> </ul> 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 - Show two table headers in 1 loop

I have a problem to show photos with two table headings(th) in one for loop. I have a array of 8 photos now I ... <?php endforeach; ?> </table> 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++ - OpenGl draw a cylinder with 2 points glRotated

I want to show draw a cylinder that starts at point a and that points to I think the key is in the first ... ; glPopMatrix(); Any suggestions ?? 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 - Show SQL query of controller

I am using cakephp v3.x and mysql. I would like to see the SQL query of a controller. There is no ... production use. More for examination. 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 game crashes when adding new view to view group programatically

I have been trying to add a new view to my view group for now I only have one view but I do ... return super.onOptionsItemSelected(item); } } See Question&Answers more detail:os...

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

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Architecture for a Custom View library Android

I am building a library that every 30 seconds displays a question (obtained from a REST Api) and ... structure? Possible package structure 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++ - Black screen on Anton's OpenGL Hello Triangle Tutorial

I'm new to OpenGL and started studying using Anton's OpenGL tutorials. I finished the "Hello Triangle" ... at the '00_hello_triangle' code. See Question&Answers more detail:os...

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

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