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Return None if Dictionary key is not available
...o get a dictionary value if its key exists, or simply return None , if it does not.
11 Answers
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What is “vectorization”?
...atlab, fortran ... some other ... but I've never found an explanation what does it mean, and what it does? So I'm asking here, what is vectorization, and what does it mean for example, that "a loop is vectorized" ?
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Log all requests from the python-requests module
...sion, status code and response length
DEBUG: Retry count increments
This doesn't include headers or bodies. urllib3 uses the http.client.HTTPConnection class to do the grunt-work, but that class doesn't support logging, it can normally only be configured to print to stdout. However, you can rig it...
How to escape @ characters in Subversion managed file names?
...ing copy paths or URLs that actually have at signs in them. After all, how does svn know whether news@11 is the name of a directory in my tree or just a syntax for “revision 11 of news”? Thankfully, while svn will always assume the latter, there is a trivial workaround. You need only append an a...
Android Calling JavaScript functions in WebView
...running inside an android webview . Pretty simple what the code tries to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that displays test message via toast.
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Animate change of view background color on Android
How do you animate the change of background color of a view on Android?
16 Answers
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Add new row to dataframe, at specific row-index, not appended?
..., ]) 801.161 831.7730 854.6320 881.6560 10641.417
Benchmarks
As @MatthewDowle always points out to me, benchmarks need to be examined for the scaling as the size of the problem increases. Here we go then:
benchmarkInsertionSolutions <- function(nrow=5,ncol=4) {
existingDF <- as.data.fra...
how to mysqldump remote db from local machine
I need to do a mysqldump of a database on a remote server, but the server does not have mysqldump installed. I would like to use the mysqldump on my machine to connect to the remote database and do the dump on my machine.
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Storing Objects in HTML5 localStorage
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Looking at the Apple, Mozilla and Mozilla again documentation, the functionality seems to be limited to handle only string key/value pairs.
A workaround can be to stringify your object before storing it, and later parse it when you retrieve it:
var testObject = { 'one': ...