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Assigning variables with dynamic names in Java
..., it shouldn't be something you would actually do. You don't gain anything from it; you'll actually lose readability. If you want to link them, use a Map<String, T> instead, don't start messing with your actual code.
– Jeroen Vannevel
Dec 15 '13 at 2:37
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Bundling data files with PyInstaller (--onefile)
...nstalled (i.e. sys._MEIPASS is not set). That is wrong, as it prevents you from running your application from a directory other than the one where your script is.
A better solution:
import sys
import os
def resource_path(relative_path):
""" Get absolute path to resource, works for dev and for...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...s of data. I encountered a very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
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Meaning of acronym SSO in the context of std::string
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Background / Overview
Operations on automatic variables ("from the stack", which are variables that you create without calling malloc / new) are generally much faster than those involving the free store ("the heap", which are variables that are created using new). However, the size ...
Numeric for loop in Django templates
...ch space char is then ignored, but the current value in range can be found from forloop.counter (or forloop.counter0). See docs.djangoproject.com/en/dev/ref/templates/builtins/#center
– isedwards
May 22 '16 at 16:50
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Sankey Diagrams in R?
...networkD3/",
"master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
# Plot
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
Target = "target", Value = "value", NodeID = "name",
units = "TWh", fontSize = 12, nodeWidth = 30)
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Alternate FizzBuzz Questions [closed]
...ate a remainder (given a numerator and denominator)
Return distinct values from a list including duplicates (i.e. "1 3 5 3 7 3 1 1 5" -> "1 3 5 7")
Return distinct values and their counts (i.e. the list above becomes "1(3) 3(3) 5(2) 7(1)")
Given a string of expressions (only variables, +, and -) ...
Is there a range class in C++11 for use with range based for loops?
...I'd also propose to alias iterator to const_iterator, have iterator derive from std::iterator and have range implement cbegin and cend. Oh and... why does iterator::operator++ returns a const reference ?
– Matthieu M.
Aug 25 '11 at 6:27
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What is the difference between 'typedef' and 'using' in C++11?
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They are equivalent, from the standard (emphasis mine) (7.1.3.2):
A typedef-name can also be introduced by an alias-declaration. The
identifier following the using keyword becomes a typedef-name and the
optional attribute-specifier-seq fo...
The tilde operator in C
... in the ELF hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .)
6 Answers
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