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Resolve build errors due to circular dependency amongst classes
I often find myself in a situation where I am facing multiple compilation/linker errors in a C++ project due to some bad design decisions (made by someone else :) ) which lead to circular dependencies between C++ classes in different header files (can happen also in the same file) . But fortunately...
Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
... wrong. An actuator on an electron microscope went over its boundary, and after a chain of events I lost $12 million of equipment. I've narrowed down over 40K lines in the faulty module to this:
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Should I always use a parallel stream when possible?
...ctions as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
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How to get root access on Android emulator?
I have All Android SDK versions(from 1.5 to 2.3.3), and I tried many methods for getting root in Android emulator. I don't use any Android device and test everything on emulator(AVD).
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Error “initializer element is not constant” when trying to initialize variable with const
I get an error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why.
5 Answ...
What's the difference between a proc and a lambda in Ruby?
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One difference is in the way they handle arguments. Creating a proc using proc {} and Proc.new {} are equivalent. However, using lambda {} gives you a proc that checks the number of arguments passed to it. From ri Kernel#lambda:
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
I have seen few py scripts which use this at the top of the script. In what cases one should use it?
4 Answers
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Angular.js ng-repeat across multiple tr's
I am using Angular.js for an application that uses hidden trs to simulate a sliding out effect by showing the tr and sliding down the div in the td below. This process worked fantastically using knockout.js when iterating over an array of these rows, because I could use <!-- ko:foreach --> a...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
...ch is to be passed to the executable to GDB is not the way to use the core file. This could also be the reason you got that error. You can use the core file in the following ways:
gdb <executable> <core-file> or gdb <executable> -c <core-file> or
gdb <executable>
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Explaining Python's '__enter__' and '__exit__'
...s it easy to build code which needs some 'cleandown' code executed (think of it as a try-finally block). Some more explanation here.
A useful example could be a database connection object (which then automagically closes the connection once the corresponding 'with'-statement goes out of scope):
cl...