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How does the const constructor actually work?
...calized" instance.
That is, all constant expressions begin canonicalized, and later these "canonicalized" symbols are used to recognize equivalence of these constants.
Canonicalization:
A process for converting data that has more than one possible representation into a "standard" canonical repres...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...its thing you should create a wrapper extending HttpServletResponseWrapper and buffer the output. This is to keep the output from going directly to the client but also allows you to protect if the servlet closes the stream, as per this excerpt (emphasis mine):
A filter that modifies a response ...
How to get the seconds since epoch from the time + date output of gmtime()?
How do you do reverse gmtime() , where you put the time + date and get the number of seconds?
6 Answers
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Comparing Haskell's Snap and Yesod web frameworks
The two Haskell web frameworks in the news recently are Yesod (at 0.8) and Snap (at 0.4).
4 Answers
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What is the shortest way to pretty print a org.w3c.dom.Document to stdout?
...ew OutputStreamWriter(out, "UTF-8")));
}
(The indent-amount is optional, and might not work with your particular configuration)
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Can I set max_retries for requests.request?
The Python requests module is simple and elegant but one thing bugs me.
It is possible to get a requests.exception.ConnectionError with a message like:
...
How to create an object for a Django model with a many to many field?
...my original suggestion. It works, but isn't optimal. (Note: I'm using Bars and a Foo instead of Users and a Sample, but you get the idea).
bar1 = Bar.objects.get(pk=1)
bar2 = Bar.objects.get(pk=2)
foo = Foo()
foo.save()
foo.bars.add(bar1)
foo.bars.add(bar2)
It generates a whopping total of 7 quer...
Use IntelliJ to generate class diagram
...can drag&drop them to the already opened diagram for the first package and press e to expand it.
Note: This feature is available in the Ultimate Edition, not the free Community Edition.
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Node.js / Express.js - How does app.router work?
...e calls is important, because some middleware depends on other middleware, and some middleware near the end might not even be called.
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Android - Set fragment id
...nsaction's add(int containerViewId, Fragment fragment, String tag) method and FragmentManager's findFragmentByTag(String) method.
In one of my apps, I was forced to generate strings dynamically. But it's not that expensive relative to the actual FragmentTransaction, anyway.
Another advantage to ...