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What is the difference between return and return()?
... If you made return into a function, how would you return a value from it?
– dan04
Apr 11 '14 at 5:42
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REST API Authentication
... I want to build an API for the application to facilitate interaction with from any platform (Web App, Mobile App). What I'm not understanding is that when using the REST API, how do we authenticate the user.
...
What is “lifting” in Haskell?
...ed in an Applicative, such as lists, IO, etc.
Another common lift is lift from Control.Monad.Trans. It transforms a monadic action of one monad to an action of a transformed monad.
In general, "lift" lifts a function/action into a "wrapped" type (so the original function gets to work "under the wr...
Parsing a CSV file using NodeJS
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@ShashankVivek - in this old answer (from 2015), 'async' is an npm library that is used. More about it here caolan.github.io/async - to understand why maybe this helps blog.risingstack.com/node-hero-async-programming-in-node-js But javascript has evolved a lot ...
First-time database design: am I overengineering? [closed]
... approaching a problem like this for the first time. I think the pointers from others on this question thus far pretty much cover it. Good job!
2 & 3) The performance hit you will take will largely be dependent on having and optimizing the right indexes for your particular queries / procedures...
Disabled UIButton not faded or grey
...lutions that change the look depending on control state like this and this from below are a much better idea. They're using the built in mechanism to achieve an automatic change, rather than needing to explicitly update the control's look depending on its state.
– Benjohn
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What's your most controversial programming opinion?
...rogrammers do nothing else than programming, but they do more than program from 9 to 5)
share
edited Apr 17 '10 at 22:34
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What is the difference between Class.getResource() and ClassLoader.getResource()?
... by running a stand-alone Java application that continuously loaded a file from disk using the getResourceAsStream ClassLoader method. I was able to edit the file, and the changes were reflected immediately, i.e., the file was reloaded from disk without caching.
However:
I'm working on a project w...
How to check if the string is empty?
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From PEP 8, in the “Programming Recommendations” section:
For sequences, (strings, lists, tuples), use the fact that empty sequences are false.
So you should use:
if not some_string:
or:
if some_string:
Just t...
Calculating days between two dates with Java
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UPDATE: The original answer from 2013 is now outdated because some of the classes have been replaced. The new way of doing this is using the new java.time classes.
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MM yyyy");
String inputString1 =...