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Proper usage of Optional.ifPresent()
I am trying to understand the ifPresent() method of the Optional API in Java 8.
5 Answers
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Do I need a content-type header for HTTP GET requests?
As far as I understood there are two places where to set the content type:
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round up to 2 decimal places in java? [duplicate]
I have read a lot of stackoverflow questions but none seems to be working for me. i am using math.round() to round off.
this is the code:
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Rsync copy directory contents but not directory itself
I'm trying to synchronize two contents of folders with different name:
4 Answers
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How to securely store access token and secret in Android?
I am going to use oAuth to fetch mails and contacts from google. I don't want to ask the user each time to log in to obtain an access token and secret. From what I understood, I need to store them with my application either in a database or SharedPreferences . But I am a bit worried about security ...
Are empty HTML5 data attributes valid?
I'd like to write a simple jQuery plugin that displays inline modals under specified elements. My idea is for the script to auto-init based on data attributes specified on elements.
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Extract digits from a string in Java
I have a Java String object. I need to extract only digits from it. I'll give an example:
14 Answers
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How to concatenate strings with padding in sqlite
I have three columns in an sqlite table:
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How to unpack and pack pkg file?
I have a pkg file created by Install Maker for Mac.
I want to replace one file in pkg. But I must do this under Linux system, because this is a part of download process. When user starts to download file server must replace one file in pkg.
I have a solution how unpack pkg and replace a file but I d...
Pass request headers in a jQuery AJAX GET call
I am trying to pass request headers in an AJAX GET using jQuery. In the following block, "data" automatically passes the values in the querystring. Is there a way to pass that data in the request header instead ?
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