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How to update PATH variable permanently from Windows command line?
...
This Python-script[*] does exactly that:
"""
Show/Modify/Append registry env-vars (ie `PATH`) and notify Windows-applications to pickup changes.
First attempts to show/modify HKEY_LOCAL_MACHINE (all users), and
if not accessible due t...
How can I find out what version of git I'm running?
...ed" if it is, otherwise, it'll echo an error message. You can use this for scripts that use git
It's also customizable, so you can change "which git" to "which java" or something, and change the error message.
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How to hash a string into 8 digits?
... to just:
hash(s) % 10**8
will only return the same value within a given script run:
#Python 2:
$ python2 -c 's="your string"; print(hash(s) % 10**8)'
52304543
$ python2 -c 's="your string"; print(hash(s) % 10**8)'
52304543
#Python 3:
$ python3 -c 's="your string"; print(hash(s) % 10**8)'
129541...
How to use shell commands in Makefile
...make itself (avoiding any "weird characters in file name" issues). (In sh scripts, including the recipe portion of makefiles, another method is to use find ... -print0 | xargs -0 to avoid tripping over blanks, newlines, control characters, and so on.)
1The GNU Make documentation notes further th...
How can I deploy an iPhone application from Xcode to a real iPhone device?
...project you make. Go to the menu Project > New Build Phase > New Run Script Build Phase. In the window, copy/paste this:
export CODESIGN_ALLOCATE=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/codesign_allocate
if [ "${PLATFORM_NAME}" == "iphoneos" ]; then
/Developer/iphoneentitleme...
When to use Hadoop, HBase, Hive and Pig?
...has 2 parts: the Pig Interpreter and the language, PigLatin. You write Pig script in PigLatin and using Pig interpreter process them. Pig makes our life a lot easier, otherwise writing MapReduce is always not easy. In fact in some cases it can really become a pain.
I had written an article on a sho...
Array include any value from another array?
...gt;> foods.any? {|food| cheeses.include?(food) }
=> true
Benchmark script:
require "benchmark"
N = 1_000_000
puts "ruby version: #{RUBY_VERSION}"
CHEESES = %w(chedder stilton brie mozzarella feta haloumi).freeze
FOODS = %w(pizza feta foods bread biscuits yoghurt bacon).freeze
Benchmark.bm...
What is causing “Unable to allocate memory for pool” in PHP?
...32MB is ridiculously low. PHP was designed when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's more efficien...
Grunt watch error - Waiting…Fatal error: watch ENOSPC
...me_text. Only after closing all sublime windows was I able to run my node script.
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How to get a cross-origin resource sharing (CORS) post request working
...rt 8080) and displays our library. The second server is a CherryPy python script (port 8081) that I am using to trigger a file conversion on demand. The file conversion is triggered by a AJAX POST request from the page served from the XBMC server.
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