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Why use AJAX when WebSockets is available?
I've been using WebSockets for a while now, I have chosen to create an Agile project management tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process.
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Deleting a resource using http DELETE
So, given that the DELETE verb in Http is idempotent, when I issue the following request, what should happen the second (or third, or fourth, etc...)?
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How to change a nullable column to not nullable in a Rails migration?
I created a date column in a previous migration and set it to be nullable. Now I want to change it to be not nullable. How do I go about doing this assuming there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
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Load multiple packages at once
How can I load a bunch of packages at once with out retyping the require command over and over? I've tried three approaches all of which crash and burn.
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Hibernate JPA Sequence (non-Id)
Is it possible to use a DB sequence for some column that is not the identifier/is not part of a composite identifier ?
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Python: How to ignore an exception and proceed? [duplicate]
I have a try...except block in my code and When an exception is throw. I really just want to continue with the code because in that case, everything is still able to run just fine. The problem is if you leave the except: block empty or with a #do nothing, it gives you a syntax error. I can't use con...
How to add custom method to Spring Data JPA
I am looking into Spring Data JPA. Consider the below example where I will get all the crud and finder functionality working by default and if I want to customize a finder then that can be also done easily in the interface itself.
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How do I trim a file extension from a String in Java?
What's the most efficient way to trim the suffix in Java, like this:
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How can I select from list of values in SQL Server
I have very simple problem that I can't solve. I need to do something like this:
13 Answers
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How can I create and style a div using JavaScript?
How can I use JavaScript to create and style (and append to the page) a div, with content?
I know it's possible, but how?
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