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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
Ruby has two different exceptions mechanisms: Throw/Catch and Raise/Rescue.
3 Answers
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Why can't I initialize non-const static member or static array in class?
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Why I can't initialize static data members in class?
The C++ standard allows only static constant integral or enumeration types to be initialized inside the class. This is the reason a is allowed to be initialized while others are not.
Reference:
C++03 9.4.2 Static data members
§4
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Android studio, gradle and NDK
I am very new to this whole gradle and Android Studio support. I have managed to convert my android project to gradle using the export option.
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Best way to structure a tkinter application? [closed]
... root = tk.Tk()
MainApplication(root).pack(side="top", fill="both", expand=True)
root.mainloop()
The important things to notice are:
I don't use a wildcard import. I import the package as "tk", which requires that I prefix all commands with tk.. This prevents global namespace pollution, ...
Best documentation for Boost:asio?
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First, I've been using Boost.Asio for quite a while already -- and I share your concern. To address your question:
There really is very scarce documentation about Boost.Asio aside from the introduction and tutorial. I am not the author, but this is mostly because there are just too man...
How to make shallow git submodules?
...dule update" can optionally clone the submodule repositories shallowly.
(And git 2.10 Q3 2016 allows to record that with git config -f .gitmodules submodule.<name>.shallow true.
See the end of this answer)
See commit 275cd184d52b5b81cb89e4ec33e540fb2ae61c1f:
Add the --depth option to th...
Why doesn't String switch statement support a null case?
...wondering why the Java 7 switch statement does not support a null case and instead throws NullPointerException ? See the commented line below (example taken from the Java Tutorials article on switch ):
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Plurality in user messages
...u sure you want to delete them?"
);
This is because different languages handle plurality differently. Some like Malay don't even have syntactic plurals so the strings would generally be identical. Separating the two strings makes it easier to support other languages later on.
Otherwise if this ap...
input type=file show only button
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This answer is so simple and elegant and has worked for all browsers.
– Mike.C.Ford
Mar 19 '15 at 15:55
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Amazon Interview Question: Design an OO parking lot [closed]
Design an OO parking lot. What classes and functions will it have. It should say, full, empty and also be able to find spot for Valet parking. The lot has 3 different types of parking: regular, handicapped and compact.
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