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Very large matrices using Python and NumPy

... Any chance you could expand your answer with a bit more clarity and some examples? – Adam B Jun 7 '18 at 18:08 add a comment  | ...
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Why does Java's hashCode() in String use 31 as a multiplier?

... subtract instruction. However, if your multiplier is slow this is still a win. Modern processors tend to have fast multipliers so it doesn't make much difference, so long as 32 goes on the correct side. It's not a great hash algorithm, but it's good enough and better than the 1.0 code (and very mu...
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Downloading Java JDK on Linux via wget is shown license page instead

...nux-x64.rpm In all cases above, subst 'i586' for 'x64' to download the 32-bit build. -j -> junk cookies -k -> ignore certificates -L -> follow redirects -H [arg] -> headers curl can be used in place of wget. UPDATE FOR JDK 7u79 TAR GZ: wget --no-check-certificate --no-cookies --header...
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Python: Ignore 'Incorrect padding' error when base64 decoding

... @bp: In base64 encoding each 24 bits (3 bytes) binary input is encoded as 4 bytes output. output_len % 3 makes no sense. – John Machin May 31 '10 at 10:10 ...
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Initial bytes incorrect after Java AES/CBC decryption

...void main(String[] args) { String key = "Bar12345Bar12345"; // 128 bit key String initVector = "RandomInitVector"; // 16 bytes IV System.out.println(decrypt(key, initVector, encrypt(key, initVector, "Hello World"))); } } ...
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Failed to install Python Cryptography package with PIP and setup.py

...\> \path\to\vcvarsall.bat x86_amd64 C:\> set LIB=C:\OpenSSL-1.0.1f-64bit\lib;%LIB% C:\> set INCLUDE=C:\OpenSSL-1.0.1f-64bit\include;%INCLUDE% C:\> pip install cryptography Building cryptography on Linux cryptography should build very easily on Linux provided you have a C compiler, heade...
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Are there legitimate uses for JavaScript's “with” statement?

...t members introduced in this statement // are scoped to the block following it. with ({num: i}) { setTimeout(function() { alert(num); }, 10); } } The loop now works as intended, creating three separate variables with values from 0 to 2. Note that variables declared within the blo...
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curl : (1) Protocol https not supported or disabled in libcurl

...nch the command rvm install 1.9.2 --with-openssl-dir=/usr/local the following error is received: 12 Answers ...
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How many GCC optimization levels are there?

... further optimizations designed to reduce code size. -Os disables the following optimization flags: -falign-functions -falign-jumps -falign-loops -falign-labels -freorder-blocks -freorder-blocks-and-partition -fprefetch-loop-arrays -ftree-vect-loop-version) There may also be platform specific opti...
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Converting any string into camel case

... Great code, and it ended up winning jsperf.com/js-camelcase/5 . Care to contribute a version that can handle (remove) non-alpha chars? camelize("Let's Do It!") === "let'SDoIt!" sad face. I'll try myself but fear I will just add another replace. ...