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Jackson serialization: ignore empty values (or null)
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Or you can use GSON [https://code.google.com/p/google-gson/], where these null fields will be automatically removed.
SampleDTO.java
public class SampleDTO {
String username;
String email;
String password;
String birthday;
String coinsPa...
Is there a way to check which CSS styles are being used or not used on a web page?
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Google Chrome has a two ways to check for unused CSS.
1. Audit Tab: > Right Click + Inspect Element on the page, find the "Audit" tab, and run the audit, making sure "Web Page Performance" is checked.
Lists all unused CS...
How to write to file in Ruby?
...well documented... but now a year later, this question is the first hit on Google. When the question was asked, it may have seemed that the OP was dedicating little effort but now as far as Google is concerned, this is the best source.
– Jeff
Dec 28 '13 at 16:2...
Which HTML5 tag should I use to mark up an author’s name?
..."author" can be used on <link> <a>, and <area> elements. Google also recommends its usage. Combining use of <address> and rel="author" seems optimal. HTML5 best affords wrapping <article> headlines and bylines info in a <header> like so:
<article>
<h...
Get the last non-empty cell in a column in Google Sheets
I use the following function
16 Answers
16
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How to send a JSON object over Request with Android?
... }
};
t.start();
}
You could also use Google Gson to send and retrieve JSON.
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Chrome debugging - break on next click event
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Chrome extension: force popup.html to close
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client secret in OAuth 2.0
To use google drive api, I have to play with the authentication using OAuth2.0. And I got a few question about this.
3 Answ...
Sharing a URL with a query string on Twitter
...itterWindow',width=600,height=300);
return false;
}
function shareOnGoogle(){
var url = "https://plus.google.com/share?url=https://yoururl.com";
window.open(url, '', 'menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height=350,width=480');
return false;
}
<a onClick="sha...