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Singleton pattern in nodejs - is it needed?
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This has basically to do with nodejs caching. Plain and simple.
https://nodejs.org/api/modules.html#modules_caching
(v 6.3.1)
Caching
Modules are cached after the first time they are loaded. This means
(among other things) that every call to require('foo') will ge...
Flexbox and Internet Explorer 11 (display:flex in ?)
I am planning to move away from "floaty" layouts and use CSS flexbox for future projects. I was delighted to see that all major browsers in their current versions seem to support (in one way or another) flexbox.
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Tab Vs Space preferences in Vim
...very accommodating when it comes to tab Vs. space preferences. As I understand it, the tabstop setting indicates the width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabstop set...
ASP.NET MVC - TempData - Good or bad practice
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I kind of think of temp data as being a fire-and-forget mechanism for notifying the user. Its great to give them a reminder of something they recently did, but I'd also be hesitant to make it a required step in some user process. The reason being if they refresh the p...
What's so great about Lisp? [closed]
...ng Lisp demonstrates developer enlightenment.
I've heard of 3 weaknesses (and their counter-arguments):
Dynamic typing.
There's an argument for statically typed languages out there revolving around giving the compiler enough information to catch a certain class of errors so they don't happen at...
What is the id( ) function used for?
I read the Python 2 docs and noticed the id() function:
13 Answers
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Unit testing for C++ code - Tools and methodology [closed]
...entioned in other answers, he was involved in the creation of both CppUnit and CppUnitLite.
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Pushing read-only GUI properties back into ViewModel
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Yes, I've done this in the past with the ActualWidth and ActualHeight properties, both of which are read-only. I created an attached behavior that has ObservedWidth and ObservedHeight attached properties. It also has an Observe property that is used to do the initial hook-up. U...
How to generate a random int in C?
Is there a function to generate a random int number in C? Or will I have to use a third party library?
27 Answers
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
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Culprit: False Data Dependency (and the compiler isn't even aware of it)
On Sandy/Ivy Bridge and Haswell processors, the instruction:
popcnt src, dest
appears to have a false dependency on the destination register dest. Even though the instruction only...