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Significant new inventions in computing since 1980
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community wiki
2 revssplattne
26
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What is the purpose of the EBP frame pointer register?
...mp -h) in most binaries on a Linux system, It's about 16k for /bin/bash, vs. 572B for GNU /bin/true, 108k for ffmpeg. There is a gcc option to disable generating it, but it's a "normal" data section, not a debug section that strip removes by default. Otherwise you couldn't backtrace through a li...
What is normalized UTF-8 all about?
...ces of base characters and combining marks (say, "s, dot below, dot above" vs putting dot above then dot below or using a base character that already has one of the dots), NFD will also pick one of these (below goes first, as it happens)
The compatibility decompositions include a number of characte...
Find the nth occurrence of substring in a string
...aches presented so far, namely @bobince's findnth() (based on str.split()) vs. @tgamblin's or @Mark Byers' find_nth() (based on str.find()). I will also compare with a C extension (_find_nth.so) to see how fast we can go. Here is find_nth.py:
def findnth(haystack, needle, n):
parts= haystack.s...
What is the difference between NTFS Junction Points and Symbolic Links?
...cific to NTFS. So, to be specific, this comparison is about NTFS Junctions vs. NTFS Symbolic Links.
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Why shouldn't I use “Hungarian Notation”?
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community wiki
2 revs, 2 users 82%Ilya Kochetov
5
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What is the advantage of using REST instead of non-REST HTTP?
...erhaps a bit clearer and easier, especially as you can avoid the whole PUT-vs-POST thing. Plus you can add more verbs if you want to, so you aren't artificially bound to what HTTP offers. For example:
POST /hide/article/1/
POST /show/article/1/
(Or whatever, it's hard to think of examples until t...
What is the preferred/idiomatic way to insert into a map?
... int m_i;
};
int main() {
std::map<int, MyClass> myMap;
// VS2017: "C2512: 'MyClass::MyClass' : no appropriate default constructor available"
// Coliru: "error: no matching function for call to 'MyClass::MyClass()"
myMap[0] = MyClass(1);
return 0;
}
However, if you rep...
Android: Difference between Parcelable and Serializable?
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Parcelable vs Serializable I refer these two.
For Java and Kotlin
1) Java
Serializable, the Simplicity
What is Serializable?
Serializable is a standard Java interface. It is not a part of the
Android SDK. Its simplicity is...
Python (and Python C API): __new__ versus __init__
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The difference mainly arises with mutable vs immutable types.
__new__ accepts a type as the first argument, and (usually) returns a new instance of that type. Thus it is suitable for use with both mutable and immutable types.
__init__ accepts an instance as the fir...