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Creating an R dataframe row-by-row
I would like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list...
How to make a class JSON serializable
How to make a Python class serializable?
33 Answers
33
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Get User's Current Location / Coordinates
How can I store the user's current location and also show the location on a map?
15 Answers
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What is cURL in PHP?
... is a library that lets you make HTTP requests in PHP. Everything you need to know about it (and most other extensions) can be found in the PHP manual.
In order to use PHP's cURL functions
you need to install the » libcurl
package. PHP requires that you use
libcurl 7.0.2-beta or higher. I...
HTML: Include, or exclude, optional closing tags?
... be immediately followed by their end tag so it would be kind of redundant to have to type <img src="blah" alt="blah"></img> every time.
I almost always use the optional tags (unless I have a very good reason not to) because it lends to more readable and updateable code.
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Setting PayPal return URL and making it auto return?
This is a follow up question to: PHP: Easy way to start PayPal checkout?
6 Answers
6
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JUnit: how to avoid “no runnable methods” in test utils classes
I have switched to JUnit4.4 from JUnit3.8. I run my tests using ant, all my tests run successfully but test utility classes fail with "No runnable methods" error. The pattern I am using is to include all classes with name *Test* under test folder.
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Use URI builder in Android or create URL with variables
I'm developing an Android app. I need to build a URI for my app to make an API request. Unless there's another way to put a variable in a URI, this is the easiest way I've found. I found that you need to use Uri.Builder , but I'm not quite sure how to. My url is:
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Resolve absolute path from relative path and/or file name
Is there a way in a Windows batch script to return an absolute path from a value containing a filename and/or relative path?
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How to use support FileProvider for sharing content to other apps?
I'm looking for a way to correctly share (not OPEN) an internal file with external application using Android Support library's FileProvider .
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