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How to calculate a time difference in C++

... Careful: This won't work if the user changes his time between Timer() and the call to elapsed() if !std::chrono::high_resolution_clock::is_steady - which is the case on Linux! – jhasse Feb 9 '18 at 12:33 ...
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Has anyone actually implemented a Fibonacci-Heap efficiently?

...g/fibonacci_heap.hpp. This file has apparently been in pending/ for years and by my projections will never be accepted. Also, there have been bugs in that implementation, which were fixed by my acquaintance and all-around cool guy Aaron Windsor. Unfortunately, most of the versions of that file th...
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How to deal with page breaks when printing a large HTML table

... This also fails in WebKit browsers (eg. Safari and Chrome) – Michael Haren Mar 14 '12 at 19:51 5 ...
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What's a good way to overwrite DateTime.Now during testing?

... in providing the clock to the class that relies on it, but that could be handled by any number of dependency injection solutions (using an Inversion of Control container, plain old constructor/setter injection, or even a Static Gateway Pattern). Other mechanisms of delivering an object or method t...
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When to throw an exception?

...e 1: say I have a function which is supposed to examine an arbitrary class and return true if that class inherits from List<>. This function asks the question, "Is this object a descendant of List?" This function should never throw an exception, because there are no gray areas in its operation...
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TortoiseHg Apply a Patch

... there is no built-in support in TortoiseHg for this. Try this from a command prompt: hg import my-patch-file.patch That should apply the patch to your Mercurial repo and working copy. First Stab Answer You should be able to right-click on the patch file and choose "Apply patch..." - that's ho...
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Django-Admin: CharField as TextArea

...ModelForm that will describe how you want the descr field to be displayed, and then tell admin.ModelAdmin to use that form. For example: from django import forms class CabModelForm( forms.ModelForm ): descr = forms.CharField( widget=forms.Textarea ) class Meta: model = Cab class Ca...
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How to create the most compact mapping n → isprime(n) up to a limit N?

...test, you should probably run a probabilistic test since those are faster, and then follow it up with a deterministic test to make sure the number is prime. You should know that the math behind the fastest algorithms is not for the faint of heart. ...
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What are some popular naming conventions for Unit Tests? [closed]

...test code should not be mixed up with your production code. As for length and use of underscore, its test code, who the hell cares? Only you and your team will see it, so long as it is readable, and clear about what the test is doing, carry on! :) That said, I am still quite new to testing and blo...
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Border around specific rows in a table?

...out tr {outline: thin solid black;}? Works for me on tr or tbody elements, and appears to be compatible with the most browsers, including IE 8+ but not before. share | improve this answer |...