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Ignoring new fields on JSON objects using Jackson [duplicate]
...ng Jackson JSON library to convert some JSON objects to POJO classes on an android application. The problem is, the JSON objects might change and have new fields added while the application is published, but currently it will break even when a simple String field is added, which can safely be ignore...
How to print a stack trace in Node.js?
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console.log(err.stack) and console.trace() do not give you same results. Whereas err.stack gives you the stack trace for the err object itself (functioning the way we all normally think of exceptions), console.trace() will print out the call stack ...
On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
...f the history stack so that pressing the "back" button returns the user to Android's home screen.
18 Answers
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How can I get the ID of an element using jQuery?
Why doesn't the above work, and how should I do this?
19 Answers
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Installing rmagick on Ubuntu
...agick setup on Ubuntu 10.04. Looked here but had no joy. I even compiled and installed ImageMagick from source, but the instructions here still didn't help me when I try to install RMagick using RubyGems. I got this error:
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Why do we use Base64?
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Your first mistake is thinking that ASCII encoding and Base64 encoding are interchangeable. They are not. They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64,...
Parsing JSON from XmlHttpRequest.responseJSON
... HTTP requests. The fetch API works with promises, which is a nice way to handle asynchronous workflows in JavaScript. With this approach you use fetch() to send a request and ResponseBody.json() to parse the response:
fetch(url)
.then(function(response) {
return response.json();
})
.then...
How to format a string as a telephone number in C#
... format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable.
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appending array to FormData and send via AJAX
I'm using ajax to submit a multipart form with array, text fields and files.
9 Answers
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In Rails - is there a rails method to convert newlines to ?
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Yes, rails has simple_format which does exactly what you are looking for, and slightly better since it also adds paragraph tags. See
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-simple_format
Example:
simple_format(mystring)
Note that simple_format allows ba...