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@Basic(optional = false) vs @Column(nullable = false) in JPA
What's the difference between @Basic(optional = false) and @Column(nullable = false) in JPA persistence?
2 Answers
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curl -GET and -X GET
Curl offers a series of different http method calls that are prefixed with a X, but also offers the same methods without. I've tried both and I can't seem to figure out the difference. Can someone explain to me quickly how these two operations differ?
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find -exec cmd {} + vs | xargs
Which one is more efficient over a very large set of files and should be used?
3 Answers
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JPA eager fetch does not join
...ence between eager and lazy. In both cases JPA/Hibernate does not automatically join many-to-one relationships.
8 Answers
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When does Java's Thread.sleep throw InterruptedException?
When does Java's Thread.sleep throw InterruptedException? Is it safe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation.
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How to start nginx via different port(other than 80)
Hi I am a newbie on nginx, I tried to set it up on my server(running Ubuntu 4), which already has apache running.
5 Answer...
Base64: What is the worst possible increase in space usage?
... say it wanted to always permit the final byte array to be 16KB. How big could a 16KB byte array possibly become when converted to a Base64 string (assuming one byte per character)?
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Change File Extension Using C#
I have many file types: pdf, tiff, jpeg, bmp. etc.
My question is how can I change file extension?
I tried this:
5 Answers
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What is Data URI support like in major email client software?
Data URIs are a standard way to embed images and other binary data in HTML, and browser support is well documented on the web. (IE8 was the first version of IE to support Data URI, with a max 32 KB size per URI; other major browsers have supported it even longer.)
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How to return raw string with ApiController?
I have an ApiController that serves XML/JSON, but I would like one of my actions to return pure HTML. I tried the below but it still return XML/JSON.
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