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HashSet versus Dictionary w.r.t searching time to find if an item exists
...nary<Tkey, TValue> also in memory. I first .Contains on the HashSet, then retrive the value in Dictionary<TKey, TValue>. I have infinite memory right now, but soon I fear my memory will be constrained and our team will ask me to remove this duplicate stuff in memory, at which point I'll ...
What are the dangers when creating a thread with a stack size of 50x the default?
...t to this answer. Assemble the codes together and run a few hundred tests. Then come back and report your conclusion. I've done my tests very thoroughly, and I know very well what I am talking about when saying that .NET does not interpret any bytecode like Java does, it JITs it instantly.
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Why won't my PHP app send a 404 error?
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PHP was 14 back then
– Adam Lynch
Jan 29 '13 at 18:27
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How to sort an ArrayList?
...haracteristics of reverse, but sorting descending could actually be faster then sorting ascending and then reversing. Moreover, using a List implementation that supports Comparator as constructor argument (thus keeping it invariant) would ensure the list is sorted at all times.
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Change first commit of project with Git? [duplicate]
...oduced by a later commit somewhere else in your file. If you suspect that, then you have to use filter-branch --tree-filter to make sure the content of that file does not contain in any commit the sensible information.
In both cases, you end up rewriting the SHA1 of every commit, so be careful if y...
Compile, Build or Archive problems with Xcode 4 (and dependencies)
...operly and indexed in the project.
So ... I quit XCode and the Simulator, then restarted them and the problem disappeared.
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get list of pandas dataframe columns based on data type
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If you are just selecting columns by data type, then this answer is obsolete. Use select_dtypes instead
– Ted Petrou
Nov 3 '17 at 16:58
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Knight's Shortest Path on Chessboard
...ral) corner cases. If the "0" is the lower left square on the board (a1), then you can not get to the nearest "2" space (b2) in two moves. Because to do so your first move would have to be to the non-existent space to the left of (a3).
– John Hascall
Mar 13 '...
ES6 class variable alternatives
... doing. We simply use the actual JS constructor as the "declaration area", then make a class named function that we otherwise treat as the "other constructor stuff" area, calling it at the end of the true constructor.
"use strict";
class MyClass
{
// only declare your properties and then call...
What characters are allowed in DOM IDs? [duplicate]
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If we take the title of your question literally, then neither the HTML nor XHTML rules apply. Instead, the relevant spec is the DOM one.
Taking DOM Level 3 as our source, and assuming that by "DOM ID" you mean an attribute with the "ID" flag set, then the value is a "DOMS...