60
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I believe I found a bug in GCC while implementing O'Neill's PCG PRNG. (Initial code on Godbolt'
50
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Why does GCC generate such radically different assembly for nearly the same C code?
While writing an optimized ftol function I found some very odd behaviour in GCC 4.6.1. Let me show you the cod
58
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16
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652
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Is it possible to "decompile" a Windows .exe? Or at least view the Assembly?
A friend of mine downloaded some malware from Facebook, and I'm curious to see what it does without infec
63
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5
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Why does Java switch on contiguous ints appear to run faster with added cases?
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64
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11
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_u64 on Intel CPUs
I was looking for the fastest way to popcount large arrays of data. I encountered a very weird effect: Changin
58
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12
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
I am doing some numerical optimization on a scientific application. One thing I noticed is that GCC will optim
52
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3
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Why does Python's hash of infinity have the digits of π?
The hash of infinity in Python has digits matching pi: >>> inf = float('inf') >>>
48
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19
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452
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Mapping two integers to one, in a unique and deterministic way
Imagine two positive integers A and B. I want to combine these two into a single integer C. There can be no
57
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6
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I was trying various methods to implement a program that gives the digits of pi sequentially. I tried the Tayl
58
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9
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How to state in requirements.txt a direct github source
I've installed a library using the command pip install git+git://github.com/mozilla/elasticutils.git whi
55
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12
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840
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If I want to merge into a Git branch the changes made only to some of the files changed in a particular commit
57
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Error "The input device is not a TTY"
I am running the following command from my Jenkinsfile. However, I get the error "The input device is not a TT
54
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How to force Docker for a clean build of an image
I have build a Docker image from a Docker file using the below command. $ docker build -t u12_core -f u12_cor
61
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11
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513
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I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with th
53
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12
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What does cherry-picking a commit with Git mean?
Recently, I have been asked to cherry-pick a commit. So what does cherry-picking a commit in git mean? How d
61
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2
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Testing NativeScript app with Appium
I am learning NativeScript. I am trying to write some automated tests with Jasmine. From my understanding, I c
62
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6
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How to set the DPI of Java Swing apps on Windows/Linux?
If you have an monitor with a DPI over 150 (such as Macbook Pro), you may also find the problem: the font on t
52
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9
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741
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Openstreetmap: embedding map in webpage (like Google Maps)
Is there a way to embed/mashup the OpenStreetMap in your page (like the way Google Maps API works)? I need to
60
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4
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402
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Is there a standard to interpret the syntax of function interfaces in API documentations and if yes, how is it
61
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Reading header data in Ruby on Rails
I am making an API where in the access token for Facebook login will be sent in through header data. How do I
