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Determine the data types of a data frame's columns

...ation as a vector (i.e. you don't need it to do something else programmatically later), just use str(foo). In both cases foo would be replaced with the name of your data frame. share | improve this...
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How can I consume a WSDL (SOAP) web service in Python?

...d zeep today and it was surprisingly easy to use. Was able to consume and call a Soap 1.1/1.2 service with 3 lines of code. – Jagu Jan 10 '17 at 4:02 add a comment ...
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Is it possible only to declare a variable without assigning any value in Python?

...ython is dynamic, so you don't need to declare things; they exist automatically in the first scope where they're assigned. So, all you need is a regular old assignment statement as above. This is nice, because you'll never end up with an uninitialized variable. But be careful -- this doesn't mean...
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spring boot default H2 jdbc connection (and H2 console)

...ething to enter when starting the H2 console (in this case, "AZ"). I think all of these are required though it seems like leaving out the spring.jpa.database-platform does not hurt anything. In application.properties: spring.datasource.url=jdbc:h2:mem:AZ;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE s...
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Best practice: ordering of public/protected/private within the class definition?

...ode too much probably needs to be balanced with forcing the reader to read all the nitty-gritty detail of private methods. The newspaper metaphor is probably misunderstood in that your public methods should represent broadly what your class does, and your private methods supply the details (almost l...
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Insert text into textarea with jQuery

...ave in Jason's comments try: $('a').click(function() //this will apply to all anchor tags { $('#area').val('foobar'); //this puts the textarea for the id labeled 'area' }) Edit- To append to text look at below $('a').click(function() //this will apply to all anchor tags { $('#area').val(...
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Javascript objects: get parent [duplicate]

...}.init(); Inside the init function you can get the parent object simply calling this. So we define the parent property directly inside the child object. Then (optionally) we can remove the init method. Finally we give the main object back as output from the init function. If you try to get main...
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How to go to each directory and execute a command?

...oesn't match anything else than numbers, but in the general case, you basically always want to put the directory name in double quotes inside the loop. cd "$d" would be better in that it transfers to situations where the wildcard does match files whose names contain whitespace and/or shell metachar...
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How to properly override clone method?

...versus Cloning If you've read the item about cloning in my book, especially if you read between the lines, you will know that I think clone is deeply broken. [...] It's a shame that Cloneable is broken, but it happens. You may read more discussion on the topic in his book Effective Java 2nd Ed...
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How do you beta test an iphone app?

... In year 2011, there's a new service out called "Test Flight", and it addresses this issue directly. Apple has since bought TestFlight in 2014 and has integrated it into iTunes Connect and App Store Connect. ...