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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
Consider the following example on a 32 bit x86 machine:
11 Answers
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JavaScript - Replace all commas in a string [duplicate]
I have a string with multiple commas, and the string replace method will only change the first one:
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Get unique values from a list in python [duplicate]
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First declare your list properly, separated by commas. You can get the unique values by converting the list to a set.
mylist = ['nowplaying', 'PBS', 'PBS', 'nowplaying', 'job', 'debate', 'thenandnow']
myset = set(mylist)
print(myset)
If you use it further as a list,...
c语言编程中%g是什么格式？ - C/C++ - 清泛网 - 专注C/C++及内核技术
c语言编程中%g是什么格式？%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是根据结果自动选择科学...%g用来输出实数，它根据数值的大小，自动选f格式或e...
How to normalize an array in NumPy?
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Launching Google Maps Directions via an intent on Android
My app needs to show Google Maps directions from A to B, but I don't want to put the Google Maps into my application - instead, I want to launch it using an Intent. Is this possible? If yes, how?
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Avoiding if statement inside a for loop?
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Pass in the body of the loop as a functor. It gets inlined at compile-time, no performance penalty.
The idea of passing in what varies is ubiquitous in the C++ Standard Library. It is called the strategy pattern.
If you are allowed to...
Can't get Gulp to run: cannot find module 'gulp-util'
On Windows 7, I've installed gulp as explained here: http://markgoodyear.com/2014/01/getting-started-with-gulp/ :
10 Answe...
How to sort in-place using the merge sort algorithm?
...an exercise (Vol 3, 5.2.5). There do exist in-place merge sorts. They must be implemented carefully.
First, naive in-place merge such as described here isn't the right solution. It downgrades the performance to O(N2).
The idea is to sort part of the array while using the rest as working area for m...
Virtual/pure virtual explained
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From Wikipedia's Virtual function
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In object-oriented programming, in languages such as C++, and Object Pascal, a virtual function or virtual method is an inheritable and overridable function or method for which dynamic dispatch is facilitated. This concept is an ...