double-quotes

问题 I realized I've been switching between them with no understanding as to why, and am finding it hard to search for. 回答1: ' ' and " " are the same thing; they are used to define string literals. Things without quotes can be an identifier, keyword, non-string literal, property name or a number (may have missed one). Examples: "hello world" literal (string) 'hello world' literal (string) with same contents document identifier (object) { a: 1 } property name if keyword (start conditional statement

来源： https://stackoverflow.com/questions/41996325/how-to-remove-double-quotes-from-json-string

问题 This question already has an answer here : Delete “” from csv values and change column names when writing to a CSV (1 answer) Closed 2 years ago . I have the following data in a file called "data.txt": pid 1 2 4 15 18 20 1_at 100 200 89 189 299 788 2_at 8 78 33 89 90 99 3_xt 300 45 53 234 89 34 4_dx 49 34 88 8 9 15 The data is separated by tabs. Now I wanted to extract some columns on that table, based on the information of csv file called "vector.csv", this vector got the following data: 18

问题 I have written some code to update the player on the story as it progresses. When the player clicks a button they are greeted with some new text and some more options. So far so good, but when I pass a function call in with a parameter attached, I need both single and double quote marks. However, if I use both then this breaks the innerHTML. Code is as follows (can post HTML too if need be): function buttonClicked(buttonid) { switch(buttonid) { case "YesStart": document.getElementById(

问题 I have this kind of value in my db column, Judge-Fürstová Mila "Ut enim ad minim veniam" I use PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8" to handle all my special characters, class database_pdo { # database handler protected $connection = null; # make a connection public function __construct($dsn,$username,$password) { try { $this->connection = new PDO($dsn, $username, $password, array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8")); $this->connection->setAttribute(PDO::ATTR_ERRMODE,

问题 I have a command line program I'm using from within a Python script to take care of stamping a build number onto an executable. This is the command line program: http://www.elphin.com/downloads/stampver/ My problem is that the program takes double quotes (") in one of its arguments and the Python subprocess module I'm using to call this program keeps prepending a backslash onto the double quotes when executing the program. This causes the program to fail due to incorrect syntax. It is

问题 I have a command line program I'm using from within a Python script to take care of stamping a build number onto an executable. This is the command line program: http://www.elphin.com/downloads/stampver/ My problem is that the program takes double quotes (") in one of its arguments and the Python subprocess module I'm using to call this program keeps prepending a backslash onto the double quotes when executing the program. This causes the program to fail due to incorrect syntax. It is

问题 I have a csv file that I am parsing with FileHelpers and I have a situation where both a quote and a comma can appear in a field: Comma: 323,"PC","28/02/2014","UNI001","5000",0,"Return","Returned Goods, damaged",88.00,15.40,"T1","N",0.00,"R","-", Quote 148,"SI","13/01/2014","CGS001","4000",1,"5","17" Monitor",266.00,45.39,"T1","Y",311.39,"R","-", My class is: [DelimitedRecord(",")] public class Transaction { public int TRAN_NUMBER; [FieldQuoted('"', QuoteMode.OptionalForBoth)] public string

问题 For example, I want to generate a json string for ng-style : <th ng-style="{width:247}" data-field="code">Code</th> But with jackson, the result is: <th ng-style="{"width":247}" data-field="code">Code</th> It's not easy to read. So I want jackson to generate the json string with single quote or no quotes. Is it possible to do this? 回答1: If you have control over the ObjectMapper instance, then configure it to handle and generate JSON the way you want: final ObjectMapper mapper = new

问题 For example, I want to generate a json string for ng-style : <th ng-style="{width:247}" data-field="code">Code</th> But with jackson, the result is: <th ng-style="{"width":247}" data-field="code">Code</th> It's not easy to read. So I want jackson to generate the json string with single quote or no quotes. Is it possible to do this? 回答1: If you have control over the ObjectMapper instance, then configure it to handle and generate JSON the way you want: final ObjectMapper mapper = new