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How and when to use ‘async’ and ‘await’
...peration
Independent work is done on let's assume the Main Thread (Thread ID = 1) then await longRunningTask is reached.
Now, if the longRunningTask hasn't finished and it is still running, MyMethodAsync() will return to its calling method, thus the main thread doesn't get blocked. When the longRun...
Instance variables vs. class variables in Python
...guration. I wonder which of the following options would be better or more "idiomatic" Python.
4 Answers
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Purpose of buildscript block in Gradle
...der to understand the rest of the build script. That's why you have to provide this information in a separate channel (the buildScript block). Technically speaking, Gradle needs this information in order to compile and evaluate the rest of the build script. What happens under the hood is that Gradle...
Why does ContentResolver.requestSync not trigger a sync?
I am trying to implement the Content-Provider-Sync Adapter pattern as discussed at Google IO - slide 26. My content provider is working, and my sync works when I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from ...
What is the difference between RegExp’s exec() function and String’s match() function?
...xec which is more powerful as it is good for getting captures, but if you did use match when capturing, see that it shows captures when the regex is not global, but doesn't show captures when the regex is global.
> "azb".match(/a(z)b/);
[ "azb", "z" ]
> "azb".match(/a(z)b/g);
[ "azb" ]
>...
How do Mockito matchers work?
...he object matches the Matcher's criteria. They are intended to be free of side effects, and are generally used in assertions such as the one below.
/* Mockito */ verify(foo).setPowerLevel(gt(9000));
/* Hamcrest */ assertThat(foo.getPowerLevel(), is(greaterThan(9000)));
Mockito matchers exist, sepa...
Does the JVM prevent tail call optimizations?
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I did not quite follow the explanation. I thought tail-call optimization was implemented by the compiler. Assuming you have a function that could be tail-call optimized by the compiler, you could also then have an equivalent non...
Does bit-shift depend on endianness?
...ading 4 bytes from a file that represent a 32-bit integer, you need to consider the endianness of the data you're reading in conjunction with the endianness of the system receiving the data in order to properly interpret the data.
– Carl
Jun 2 '16 at 6:52
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Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...he stream it would not be available if you implemented a Filter.
Having said all that, if you do close it nothing bad will happen as long as you don't try to use it again.
EDIT: another filter link
EDIT2: adrian.tarau is correct in that if you want to alter the response after the servlet has done...
Difference between Apache CXF and Axis
... compliant) whereas Axis2 general goes toward proprietary things. That said, even CXF may require uses of proprietary API's to configure/control various things outside the JAX-WS spec. For REST, CXF also uses standard API's (JAX-RS compliant) instead of proprietary things. (Yes, I'm aware of ...