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scheduleAtFixedRate vs scheduleWithFixedDelay

... Try adding a Thread.sleep(1000); call within your run() method... Basically it's the difference between scheduling something based on when the previous execution ends and when it (logically) starts. For example, suppose I schedule an alarm to go off with a f...
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Is a memory leak created if a MemoryStream in .NET is not closed?

...se. A MemoryStream, on the other hand, stores a managed byte array in its _buffer variable, which is not freed at disposal time. In fact, the _buffer is not even nulled in the MemoryStream's Dispose method, which is a SHAMEFUL BUG IMO because nulling the reference could make the memory eligible fo...
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What is the most efficient Java Collections library? [closed]

...ding a lot of functionality over the normal collections in the JDK. Personally (and I'm biased) I love Guava (including the former Google Java Collections project). It makes various tasks (including collections) a lot easier, in a way which is at least reasonably efficient. Given that collection op...
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Django class-based view: How do I pass additional parameters to the as_view method?

...endation of practices, and in python community it's a rule of thumb to use all of these practices as much as possible to avoid further problems. My linter is always empty when I commit my code :) no matter what. – holms Apr 6 '18 at 18:23 ...
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Are there any downsides to passing structs by value in C, rather than passing a pointer?

... For small structs (eg point, rect) passing by value is perfectly acceptable. But, apart from speed, there is one other reason why you should be careful passing/returning large structs by value: Stack space. A lot of C programming ...
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Should I use an exception specifier in C++?

...y, InterprocessObjectNotImplemented, HardwareUnresponsive ); You could really write that as throw( ... ) The first is not extensible, the second is overambitious and the third is really what you mean, when you write virtual functions. Legacy code When you write code which relies on another lib...
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Using the “animated circle” in an ImageView while loading stuff

...inate="true" /> </RelativeLayout> And when you finish loading, call this one line: findViewById(R.id.loadingPanel).setVisibility(View.GONE); The result (and it spins too): share | i...
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Table header to stay fixed at the top when user scrolls it out of view with jQuery

... container other than window. mkoryak.github.io/floatThead has a more generally-applicable solution. – Yuck Nov 30 '13 at 19:42 13 ...
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Is the sizeof(some pointer) always equal to four?

... Pointers to member functions are a real pain. It is unfortunate that not all compilers does it like the Digital Mars C++ compiler, which return 4 in all cases. – dalle Feb 18 '09 at 15:21 ...
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PHP DOMDocument errors/warnings on html5-tags

... @SuperCat It's all dependant on the underlying libxml library. – lonesomeday Jul 2 '17 at 12:59 6 ...