hello world

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am new to Apache Cordova and I can't get the Cordova "hello world" application to display on Android . I'm talking about the default application obtained from the "cordova create" command from the CLI. I read the documentation and installed everything as required (Node.js, npm, Cordova 5.0.0, I already had an Android SDK so i just needed to update the PATH). Cordova tells me the build is a success. It then says the application is launched, but the only thing that changes on device/emulator screen is that a menu is opened (like on the

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm learning about working with streams in Python and I noticed that the IO docs say the following: The easiest way to create a binary stream is with open() with 'b' in the mode string: f = open("myfile.jpg", "rb") In-memory binary streams are also available as BytesIO objects: f = io.BytesIO(b"some initial binary data: \x00\x01") What is the difference between f as defined by open and f as defined by BytesIO . In other words, what makes a "In-memory binary stream" and how is that different from what open does? 回答1: For simplicity's sake,

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Often in coding and templating I need to wrap a certain part of text. Is there any shortcut to wrap the current selection, for example: Hello World "Hello World" Hello World {{ trans 'Hello World' }} Im using PhpStorm 7 for Mac and PC. I found something similiar, with: ctrl + alt + j you can wrap with a html-tag but nothing else. Also ctrl + alt + - comments the current selection according to the current file format(php, twig, html, ...) 回答1: I know this is a little late answer, but I hope anyone who looks this question get helped. In

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am a fresh in programming, I wanna to call a fortran function in my c++ code. the thing is I dont know how to pass a fortran character*81 array to my c++. fortran code is like: subroutine func01(a) implicit none character*81 a(2) write(*,*) a(1) write(*,*) a(2) end c++ code is like: #include <iostream> extern "C"{ void func01_( const char **a ); } int main() { const char *a[2]; a[0]="Hello world!"; a[1]="This is a test!"; func01_(a); return 0; } I bascially tested my fortran code using this program pro01 character*81 a(2) a(1)='Hello world

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have an list of dictionary in Ansible config myList - name: Bob age: 25 - name: Alice age: 18 address: USA I write code as - name: loop through debug: msg ="{{item.key}}:{{item.value}}" with_items: "{{ myList }}" I want to print out like msg: "name:Bob age:25 name:Alice age:18 address:USA" How can I loop through this dictionary and get key and value pairs? Because it don't know what is the key. If I change as {{ item.name }}, ansible will work, but I also want to know key 回答1: If you want to loop through the list and parse every item

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I would like to read some characters from a string and put it into other string (Like we do in C). So my code is like below import string import re str = "Hello World" j = 0 srr = "" for i in str: srr[j] = i #'str' object does not support item assignment j = j + 1 print (srr) In C the code may be i = j = 0; while(str[i] != '\0') { srr[j++] = str [i++]; } How can I implement the same in Python? 回答1: In Python, strings are immutable, so you can't change their characters in-place. You can, however, do the following: for i in str: srr += i The

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I wanted to write something basic in assembly under Windows, I'm using NASM, but I can't get anything working. How to write and compile hello world without the help of C functions on Windows? 回答1: NASM examples . ; ---------------------------------------------------------------------------- ; helloworld.asm ; ; This is a Win32 console program that writes "Hello, World" on one line and ; then exits. It needs to be linked with a C library. ; ---------------------------------------------------------------------------- global _main extern

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I don't understand why I cannot make the following code work. I want to connect with JavaScript to my server console application. And then send data to the server. Here is the server code: static void Main(string[] args) { TcpListener server = new TcpListener(IPAddress.Parse("127.0.0.1"), 9998); server.Start(); var client = server.AcceptTcpClient(); var stream = client.GetStream(); while (true) { var buffer = new byte[1024]; // wait for data to be received var bytesRead = stream.Read(buffer, 0, buffer.Length); var r = System.Text.Encoding

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In the R scripting language, how do I write lines of text, e.g. the following two lines Hello World to a file named "output.txt"? 回答1: fileConn 回答2: Actually you can do it with sink() : sink("outfile.txt") cat("hello") cat("\n") cat("world") sink() hence do: file.show("outfile.txt") # hello # world 回答3: I would use the cat() command as in this example: > cat("Hello",file="outfile.txt",sep="\n") > cat("World",file="outfile.txt",append=TRUE) You can then view the results from with R with > file.show("outfile.txt") hello world 回答4: What's about

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm confused in the way bash parses input and performs expansion. For input say, \'"\"hello world\"" passed as argument in bash to a script that displays what its input is, I'm not exactly sure how Bash parses it. Example, var=\'"\"hello world\"" ./displaywhatiget.sh "$var" I got '"hello world" I understand that the double quotes in "$var" tells bash to treat the value of var together. However, what I don't understand is when is the backslash escaping and double-quoted parsing for the value takes place in bash's expansion process. I'm coming