If I have these strings: “abc” = false “123” = true “ab2” = false Is there a command, like IsNumeric() or something else, that can identify if a string is a valid number? 26 s 26 int n; bool isNumeric = int.TryParse(“123”, out n); Update As of C# 7: var isNumeric = int.TryParse(“123”, out int … Read more
How can brackets be escaped in using string.Format? For example: String val = “1,2,3” String.Format(” foo {{0}}”, val); This example doesn’t throw an exception, but it outputs the string foo {0}. Is there a way to escape the brackets? 1Best Answer 11 For you to output foo {1, 2, 3} you have to do something … Read more
I’m trying to parse JSON returned from a curl request, like so: curl ‘http://twitter.com/users/username.json’ | sed -e ‘s/[{}]/”/g’ | awk -v k=”text” ‘{n=split($0,a,”,”); for (i=1; i<=n; i++) print a[i]}’ The above splits the JSON into fields, for example: % … “geo_enabled”:false “friends_count”:245 “profile_text_color”:”000000″ “status”:”in_reply_to_screen_name”:null “source”:”web” “truncated”:false “text”:”My status” “favorited”:false % … How do I print … Read more
I need Notepad++ to take a json string from this {“menu”: {“id”: “file”,”value”: “File”,”popup”: {“menuitem”: [{“value”: “New”, “onclick”: “CreateNewDoc()”},{“value”: “Open”, “onclick”: “OpenDoc()”},{“value”: “Close”, “onclick”: “CloseDoc()”}]}}} to this… {“menu”: { “id”: “file”, “value”: “File”, “popup”: { “menuitem”: [ {“value”: “New”, “onclick”: “CreateNewDoc()”}, {“value”: “Open”, “onclick”: “OpenDoc()”}, {“value”: “Close”, “onclick”: “CloseDoc()”} ] } }} I looked around … Read more
I have the following JSON text. How can I parse it to get the values of pageName, pagePic, post_id, etc.? { “pageInfo”: { “pageName”: “abc”, “pagePic”: “http://example.com/content.jpg” }, “posts”: [ { “post_id”: “123456789012_123456789012”, “actor_id”: “1234567890”, “picOfPersonWhoPosted”: “http://example.com/photo.jpg”, “nameOfPersonWhoPosted”: “Jane Doe”, “message”: “Sounds cool. Can’t wait to see it!”, “likesCount”: “2”, “comments”: [], “timeOfPost”: “1234567890” } … Read more
Given a string of JSON data, how can I safely turn that string into a JavaScript object? Obviously I can do this unsafely with something like: var obj = eval(“(” + json + ‘)’); but that leaves me vulnerable to the JSON string containing other code, which it seems very dangerous to simply eval. 2 … Read more
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 4 months ago. Improve this question I have this JSON in a file: { “maps”: [ { “id”: “blabla”, “iscategorical”: “0” }, { … Read more
This question already has answers here: Safely turning a JSON string into an object (27 answers) Closed 6 years ago. I want to parse a JSON string in JavaScript. The response is something like var response=”{“result”:true,”count”:1}”; How can I get the values result and count from this? 1 16 The standard way to parse JSON … Read more
How to convert/parse from String to char in java?
I want to make a login registration system with my app but is not working properly. Here the code where I think I’ve got an error. PHP LOGIN SCRIPT : <?php //load and connect to MySQL database stuff require(“config.inc.php”); if (!empty($_POST)) { //gets user’s info based off of a username. $query = ” SELECT id, … Read more
