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Is it possible to print a variable's type in standard C++?
...ich can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For example decltype(a) and decltype((a)) will generally be different types (and for good and understandable reasons once those reasons are exposed).
Will our trusty typeid(a).name() help us e...
Inline code in org-mode
...
You can enclose the text within = or ~ signs to have it typeset in monospaced font and export it verbatim (which means it is not processed for org-specific syntax):
This is =verbatim text= or ~code~.
You'll find all information about org-mode markup elements in the relevant section...
Find and copy files
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How to reverse a singly linked list using only two pointers?
...The only bug, though, is the last line in the reverse() function should be setting first, I believe. Otherwise, the original code worked OK when plugged into your neat test harness. You get +1 from me even so - but an explanation of what you consider the 'obvious errors' would improve your answer....
Fragment onResume() & onPause() is not called on backstack
I have multiple fragment inside an activity. On a button click I am starting a new fragment, adding it to backstack. I naturally expected the onPause() method of current Fragment and onResume() of new Fragment to be called. Well it is not happening.
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Android ViewPager - Show preview of page on left and right
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To show preview of left and right pages set the following two values
viewpager.setClipToPadding(false);
viewpager.setPadding(left,0,right,0);
If you need space between two pages in the viewpager then add
viewpager.setPageMargin(int);
...
Can you use reflection to find the name of the currently executing method?
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As of .NET 4.5 you can also use [CallerMemberName]
Example: a property setter (to answer part 2):
protected void SetProperty<T>(T value, [CallerMemberName] string property = null)
{
this.propertyValues[property] = value;
OnPropertyChanged(property);
}
publ...
How can we prepend strings with StringBuilder?
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Using the insert method with the position parameter set to 0 would be the same as prepending (i.e. inserting at the beginning).
An example is: varStringBuilder.insert(0, "someThing");
It works both for C# and Java
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What's the difference between a Future and a Promise?
..., and its javadoc explains:
A Future that may be explicitly completed (setting its value and status), and may be used as a CompletionStage, supporting dependent functions and actions that trigger upon its completion.
An example is also given on the list:
f.then((s -> aStringFunction(s))....
How to generate a core dump in Linux on a segmentation fault?
...re using. If you are using bash, then the ulimit command controls several settings relating to program execution, such as whether you should dump core. If you type
ulimit -c unlimited
then that will tell bash that its programs can dump cores of any size. You can specify a size such as 52M inst...