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Check if an apt-get package is installed and then install it if it's not on Linux
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--force-yes seems a poor idea. From man page: "This is a dangerous option that will cause apt-get to continue without prompting if it is doing something potentially harmful. It should not be used except in very special situations. Using --force-yes c...
Difference between socket and websocket?
...up, pretty much. I imagine most security folks would be up in arms at the idea of web browsers opening up arbitrary TCP connections to strange places all over the internet.
– Alnitak
Aug 16 at 21:26
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...Library with the new things call Lifecycle component. It provides some new idea for this 'Can not perform this action after onSaveInstanceState' problem.
In short:
Use lifecycle component to determine if it's correct time for popping up your fragment.
Longer version with explain:
why this pro...
How to parse a string to an int in C++?
... @Jason, IMO stronger type safety and error handling is more modern idea compared to that of C.
– Eugene Yokota
Oct 11 '08 at 20:01
6
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How to map calculated properties with JPA and Hibernate
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Thanks Pascal. Do you have any idea why the following is not working? @Formula(value = "(select count() from ic inner join c where ic.category_id = c.id and c.id = id)") public Integer getCountInternal() { return countInternal; } The ...
What happens if i return before the end of using statement? Will the dispose be called?
...add: because Dispose is guaranteed to be called, it's almost always a good idea to ensure that Dispose never throws an exception when you implement IDisposable. Unfortunately, there are some classes in the core library that do throw in certain circumstances when Dispose is called -- I'm looking at y...
How to include (source) R script in other scripts
...om where (this is not the case when using packages). Yet, you may use same idea as in C .h files, i.e. wrap the whole in:
if(!exists('util_R')){
util_R<-T
#Code
}
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Is there a way to force ASP.NET Web API to return plain text?
...response with this approach. However, HttpContext.Current is null now. Any ideas on this?
– Nachiket Mehta
May 12 '15 at 22:05
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Why isn't Python very good for functional programming? [closed]
...lenty of "functional-style" programming in Python, but I'd hardly say it's ideal.
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Enums and Constants. Which to use when?
...propriate value. So using always the default section in a switch is a good idea. BTW, .NET itself allows even floating point valued enums, but you can't define them in C#, although I think you can still use them (except in switch).
Furthermore, using enums gives you more type safety. If you intend ...