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Adding Core Data to existing iPhone project
...to add core data to an existing iPhone project, but I still get a lot of compile errors:
13 Answers
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What is the boundary in multipart/form-data?
I want to ask a question about the multipart/form-data . In the HTTP header, I find that the Content-Type: multipart/form-data; boundary=??? .
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Get week of year in JavaScript like in PHP
How do I get the current weeknumber of the year, like PHP's date('W') ?
19 Answers
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How to check if a specified key exists in a given S3 bucket using Java
...sts in a given bucket using Java. I looked at the API but there aren't any methods that are useful. I tried to use getObject but it threw an exception.
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What is a Context Free Grammar?
Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are?
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What are the differences between poll and select?
I am referring to the POSIX standard select and poll system C API calls.
3 Answers
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Get environment variable value in Dockerfile
I'm building a container for a ruby app. My app's configuration is contained within environment variables (loaded inside the app with dotenv ).
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Constructor overloading in Java - best practice
There are a few topics similar to this, but I couldn't find one with a sufficient answer.
6 Answers
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What are “Groovy” and “Grails” and what kinds of applications are built using them?
Nowadays I hear a lot about "Groovy on Grails" and I want to know more about it:
4 Answers
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Are lists thread-safe?
I notice that it is often suggested to use queues with multiple threads, instead of lists and .pop() . Is this because lists are not thread-safe, or for some other reason?
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