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How do I define and use an ENUM in Objective-C?
I declared an enum in my implementation file as shown below, and declared a variable of that type in my interface as PlayerState thePlayerState; and used the variable in my methods. But I am getting errors stating that it is undeclared. How do I correctly declare and use a variable of type PlayerSta...
Querying DynamoDB by date
I'm coming from a relational database background and trying to work with amazon's DynamoDB
7 Answers
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Virtual Memory Usage from Java under Linux, too much memory used
I have a problem with a Java application running under Linux.
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Django “xxxxxx Object” display customization in admin action sidebar
I would like to change the default behavior of how the admin recent changes sidebar displays the name of "objects" added. Refer to the picture below:
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MongoDB SELECT COUNT GROUP BY
I am playing around with MongoDB trying to figure out how to do a simple
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How can I apply a border only inside a table?
I am trying to figure out how to add border only inside the table. When I do:
9 Answers
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Display help message with python argparse when script is called without any arguments
This might be a simple one. Assume I have a program that uses argparse to process command line arguments/options. The following will print the 'help' message:
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Update R using RStudio
How can I update R via RStudio?
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What linux shell command returns a part of a string? [duplicate]
I want to find a linux command that can return a part of the string. In most programming languages, it's the substr() function. Does bash have any command that can be used for this purpose. I want to be able to do something like this...
substr "abcdefg" 2 3 - prints cde .
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How can I pop-up a print dialog box using Javascript?
I have a page with a "Print" link that takes the user to a printer-friendly page. The client wants a print dialog box to appear automatically when the user arrives at the print-friendly page. How can I do this with javascript?
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