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Is using a lot of static methods a bad thing?

I tend to declare as static all the methods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
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Counting inversions in an array

...m to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions...
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Best explanation for languages without null

... that every reference type gets this extra state in its space that is typically undesired. A string variable could be any sequence of characters, or it could be this crazy extra null value that doesn't map into my problem domain. A Triangle object has three Points, which themselves have X and Y va...
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Ignore .pyc files in git repository

...t to to do it beforehand, if you just add the line to the .gitignore file, all previously committed .pyc files will still be tracked, so you'll need to remove them from the repository. If you are on a Linux system (or "parents&sons" like a MacOSX), you can quickly do it with just this one line ...
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]

... (ALMOST) FINAL EDIT OK, I've read all the comments and this is what I think is the best solution but I've also thought of an ALL-LOCAL ALTERNATIVE. I'm open to further improvement/discussion var panic= function(){ document.body.innerHTML = ''; //th...
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How can I create directory tree in C++/Linux?

...C++ compilers. /* @(#)File: mkpath.c @(#)Purpose: Create all directories in path @(#)Author: J Leffler @(#)Copyright: (C) JLSS 1990-2020 @(#)Derivation: mkpath.c 1.16 2020/06/19 15:08:10 */ /*TABSTOP=4*/ #include "posixver.h" #include "mkpath.h" #include "emalloc...
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Polymorphism in C++

...ecific code selected? Run time means the compiler must generate code for all the types the program might handle while running, and at run-time the correct code is selected (virtual dispatch) Compile time means the choice of type-specific code is made during compilation. A consequence of this: say...
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Maven fails to find local artifact

Occasionally maven complains that a particular dependency, which is built and packaged locally, cannot be found in the local repository while building another project that has it as a dependency. We get an error like: ...
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Is there a “goto” statement in bash?

...atement in bash ? I know It is considered bad practice, but I need specifically "goto". 12 Answers ...
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What is the best way to give a C# auto-property an initial value?

...ty). Example of attributes that impact the IL are ThreadStaticAttribute, CallerMemberNameAttribute, ... share | improve this answer | follow | ...