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gdb fails with “Unable to find Mach task port for process-id” error

... In Snow Leopard and later Mac OS versions, it isn't enough to codesign the gdb executable. You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt The guide explains how to do it for lldb,...
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How to list the size of each file and directory and sort by descending size in Bash?

... sort -h only works on GNU's version / Linux, no luck with BSD / OS X. – djule5 Sep 4 '15 at 20:14 add a comment  |  ...
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How to restart Activity in Android

...trying to promote your answer, but you're misusing the system for that purpose. – EboMike May 12 '11 at 16:44 8 ...
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A Windows equivalent of the Unix tail command [closed]

... I'd suggest installing something like GNU Utilities for Win32. It has most favourites, including tail. share | improve this answer | follow | ...
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Why does the C preprocessor interpret the word “linux” as the constant “1”?

...le names like unix and assumed that programmers would simply avoid using those names for their own purposes. The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two unde...
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stop all instances of node.js server

... /f (force) parameter to the command. Linux machine: The process is almost identical. You could either kill all Node processes running on the machine (use -$SIGNAL if SIGKILL is insufficient): killall node Or also using netstat, you can find the PID of a process listening on a port: $ netsta...
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How to scp in Python?

What's the most pythonic way to scp a file in Python? The only route I'm aware of is 14 Answers ...
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rmagick gem install “Can't find Magick-config”

...ll with: $ sudo apt-get install libmagickwand-dev imagemagick or on centOs: $ yum install ImageMagick-devel On Mac OS, you can use Homebrew: $ brew install imagemagick share | improve this a...
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No module named pkg_resources

... July 2018 Update Most people should now use pip install setuptools (possibly with sudo). Some may need to (re)install the python-setuptools package via their package manager (apt-get install, yum install, etc.). This issue can be highly depe...
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What is the difference between a process and a thread?

...threads efficient). Erlang uses the term "process" because it does not expose a shared-memory multiprogramming model. Calling them "threads" would imply that they have shared memory. share | improv...