macos

问题 I need to run the command: kubectl get pvc --field-selector metadata.name!=dataX********************************,******************************************************************,************************************************************************************************,************************************************************************************************,************************************************,*************************************************,************************

问题 I need to run the command: kubectl get pvc --field-selector metadata.name!=dataX********************************,******************************************************************,************************************************************************************************,************************************************************************************************,************************************************,*************************************************,************************

问题 Data File 1: data_20150801.csv Time Header Header Header Header 2015-08-01 07:00 14.4 14.4 14.4 68 2015-08-01 07:01 14.4 14.4 14.4 68 Data File 2 data2_20150801.csv Time Header Header 2015-08-01 00:00 90 12312 2015-08-01 00:01 232 13213 ...... 2015-08-01 07:00 1000 1500 2015-08-01 07:01 2312 1245 2015-08-01 07:02 1232 1232 2015-08-01 07:03 1231 1232 Id like to merge those 2 .csv Files, to get a File That looks like: Time Header Header Header Header Header Header 2015-08-01 07:00 14.4 14.4 14

问题 I am trying to make a terminal snake game in C++ in macOSX. How do I detect which arrow key is pressed? I tried to do this with getch() of ncurses.h but this is not solving the problem. No output is being detected. #define KEY_UP 72 #define KEY_LEFT 75 #define KEY_RIGHT 77 #define KEY_DOWN 80 void Input() { int c = 0; switch ((c = getch())) { case KEY_UP: cout << endl<< "Up" << endl; //key up break; case KEY_DOWN: cout << endl<< "Down" << endl; // key down break; case KEY_LEFT: cout << endl<<

问题 In Cocoa, Storyboard's first view controller will call viewDidLoad (on the first view controller) before AppDelegate 's applicationDidFinishLaunching is called. Since I am grabbing my NSManagedObjectContext in applicationDidFinishLaunching , I need to wait for applicationDidFinishLaunching before loading my data. In other words, in viewDidLoad , I don't yet have my NSManagedObjectContext . What I'm doing now: I'm adding an applicationDidFinishLaunching observer in my viewDidLoad , and load

问题 Im sure this question has been asked before I am just having a really hard time finding it... Currently when I go to start my rails server, I am running into `initialize': Address already in use - bind(2) for "0.0.0.0" port 5000 (Errno::EADDRINUSE) obviously port:5000 is currently being used but is there is quick way to list all local web servers and to also kill said servers. Please excuse my ignorance. 回答1: ps aux | grep ruby or ps aux | grep rails find the server then kill -9 pid 来源： https

问题 I am trying to create a Game with Raylib. I want to use XCode because I thought the Library Management would be as easy as with Visual Studio on Windows. I installed the library with brew install raylib . Now I tried run this simple Project that I copied from the website of Raylib. main.c : #include "raylib.h" #include <stdio.h> int main(void) { // Initialization //-------------------------------------------------------------------------------------- const int screenWidth = 800; const int

问题 I wrote a code using c++ and OpenCV: #include <iostream> #include <time.h> #include <opencv2/opencv.hpp> #include <opencv2/highgui.hpp> using namespace std; int main() { ... return 0; } then I trying to Running my code on the terminal and build using g++: g++ $(pkg-config --cflags --libs opencv) -std=c++11 yourFile.cpp -o yourFileProgram but I get this error: ... ld: warning: ignoring file /opt/homebrew/Cellar/opencv/4.5.1_2/lib/libopencv_core.dylib, building for macOS-x86_64 but attempting

问题 I am trying to run my mongodb. So I go to the appropriate folder's location and type: $ mongod --dbpath=data Then I get a funny message which I don't know how to fix. ----- BEGIN BACKTRACE ----- ... ... ... ----- END BACKTRACE ----- Abort trap: 6 Any ideas how can this be fixed? Thanks, Theo. 来源： https://stackoverflow.com/questions/50185943/abort-trap-6-in-mongodb-mac-os

问题 I am trying to run my mongodb. So I go to the appropriate folder's location and type: $ mongod --dbpath=data Then I get a funny message which I don't know how to fix. ----- BEGIN BACKTRACE ----- ... ... ... ----- END BACKTRACE ----- Abort trap: 6 Any ideas how can this be fixed? Thanks, Theo. 来源： https://stackoverflow.com/questions/50185943/abort-trap-6-in-mongodb-mac-os