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问题 I am a little helpless at the moment. I have following code public class ListViewAdapter<String> extends ArrayAdapter<String> { private final Context context; private final int textViewResourceId; private final int[] itemResourceIds; private final ArrayList<String> list; public ListViewAdapter(Context context, int textViewResourceId, int[] itemResourceIds, ArrayList<String> list) { super(context, textViewResourceId, itemResourceIds, list); this.context = context; this.textViewResourceId =

问题 This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. Closed 6 years ago . I'm having a problem in PHP code. I got some code from an e-book, but when I tried to run the system, it's giving some errors. I fixed some of the errors

问题 I am working with file upload using the angularJs 1.3 I have a situation where the controller can access the file without the data-ng-if in the tag, but if I include the data-ng-if the file in the controller is undefined can anyone help me understand more about the issue, and a solution that I can use data-ng-if while uploading the file <div ng-controller = "QuestionsListController"> <form id="questionForm" enctype="multipart/form-data" method="post" data-ng-submit="uploadForm()"> <p> <div

问题 This question already has answers here : How do I return the response from an Observable/http/async call in angular? (8 answers) How do I return the response from an asynchronous call? (36 answers) Closed 2 years ago . I'm having trouble with setting up simple GET query with a REST API. For demonstration purposes I used this REST endpoint: https://jsonplaceholder.typicode.com/posts/1 It seems that all received data is lost when leaving the scope of the subscribe method. I followed multiple

问题 I have a problem when using OpenGL Loader Generator, which when I try to compile my code, it doesn't work. It throws an error saying undefined reference to any opengl function I use, such as gl::BindBuffer, gl::GenBuffers, etc. I'm using pointer_cpp/func_cpp style. My simple code that I'm using is #include "gl_core_3_3.hpp" #include <GL/glfw.h> int main(int argc, char *argv[]) { glfwInit(); glfwOpenWindow(1024, 768, 0, 0, 0, 0, 0, 0, GLFW_WINDOW); gl::exts::LoadTest didLoad = gl::sys:

问题 I am new to Qt and openCV, and i try to make a simple project with code: in the .pro: QT += core QT -= gui QT += widgets TARGET = latihan_2 CONFIG += console CONFIG -= app_bundle TEMPLATE = app SOURCES += main.cpp INCLUDEPATH += E:\\OpenCV\\OpenCV\\opencv\\build\\include LIBS += E:\OpenCV\OpenCV\opencv\build\x86\vc10\lib\opencv_core246.lib LIBS += E:\OpenCV\OpenCV\opencv\build\x86\vc10\lib\opencv_highgui246.lib LIBS += E:\OpenCV\OpenCV\opencv\build\x86\vc10\lib\opencv_imgproc246.lib LIBS += E

问题 I am just starting out with C++, and ran into this problem. I have a class Fifo defined in Fifo.h: /* Fifo.h */ #ifndef FIFO_H_ #define FIFO_H_ #include <atomic> #include <stdlib.h> #include <stdio.h> #include <string.h> template <class T> class Fifo { public: Fifo<T>(int len); ~Fifo<T>(); int AddTokens(T* buffer, int len); int RetrieveTokens(T* buffer, int len); private: //int len; }; #endif /* FIFO_H_ */ And the definitions in Fifo.cpp: /* Fifo.cpp*/ #include "Fifo.h" template <class T>

问题 on the line where the error apparently is the code looks like this: <?php if ($filter_name) { ?> I know this is probably a vague questions but if anyone can help that would be great! 回答1: This is very Vague question. most probably you would be getting this error in header.tpl because you are using theme made for 1.5.4.x ( or earlier) with 1.5.5.x in your catalog/view/theme/your_theme/template/common/header.tpl Find <?php if ($filter_name) { ?> <input type="text" name="filter_name" value="<

问题 I am hitting the error (stated in the subject) because there are times the property 'id' does not store the hash containing '$oid' in the returned json. For example Sometimes I get: "id":{"$oid":"4eea972209f47a0028000140"} Some other times I get "id":"4eea972209f47a0028000140" I am trying to do a check in the following code to cater for such irregularity if ([[question valueForKey:@"id"] valueForKey:@"$oid"]) { question_id = [[question valueForKey:@"id"] valueForKey:@"$oid"]; } else {

问题 I have a for loop in php that adds a number of checkboxes on my page that look like this <input type="checkbox" name="checkbox[]"> I want to use javascript to check which is checked and add value in an Array var cboxes = document.getElementsByName('checkbox[]'); var len = cboxes.length; var imageArray = new Array(); for (var i = 0; i < len; i++) { if (cboxes[i].checked) { imageArray[i] = cboxes[i].value; } } If I have 50 boxes and click the checkbox number 2,4 and 6, loops through my array, I