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How to downgrade or install an older version of Cocoapods

... Update... if you call gem uninstall cocoapods it will now ask you which version you want to uninstall. Much quicker! :o) – ingh.am Sep 30 '15 at 13:58 1 ...
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Showing data values on stacked bar chart in ggplot2

...ack(vjust = 0.5)) Also note that "position_stack() and position_fill() now stack values in the reverse order of the grouping, which makes the default stack order match the legend." Answer valid for older versions of ggplot: Here is one approach, which calculates the midpoints of the bars. l...
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no

...008-R2). I've received "Server is unavailable" errors before, but am now seeing a connection timeout error. I'm not familiar with this - why does it occur and how can I fix it? ...
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bash assign default value

...stead of the longer LONG_VARIABLE_NAME=${LONG_VARIABLE_NAME:-hello} , but now bash also tries to execute 'hello' and that gives a command not found. Any way to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actually useful? ...
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How can I catch a ctrl-c event?

...rs in implementations. I would recommend using sigaction. Tom's code would now look like this : #include <signal.h> #include <stdlib.h> #include <stdio.h> #include <unistd.h> void my_handler(int s){ printf("Caught signal %d\n",s); exit(1); } int mai...
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How can I change the color of my prompt in zsh (different from normal text)?

... colors used. As macOS Catalina asks for zsh to be the default shell from now on, I think several more people may want to customize their prompt and might be coming here for an answer. So, I thought I would try to give a broader summary and touch upon other very closely-related notions that allow m...
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Constructors in Go

... Ok so this makes sense but it implies that clients of these must know about the New and make functions. i.e. this is not standard among all structs. I imagine that can be handled with interfaces – Marty Wallace Aug 8 '13 at 12:30 ...
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How do you add Boost libraries in CMakeLists.txt?

... can also use FIND_PACKAGE(Boost REQUIRED COMPONENTS system) if you don't know the exact version of boost to use – smac89 Aug 17 '17 at 6:39 add a comment  |...
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Why does the lock object have to be static?

... a comment above you rightly said: "You are just overcomplicating things," now I see 1 min before saying that, it seems you were overcomplicating things :) – Nicholas Petersen Jul 25 '16 at 16:59 ...
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Warning the user/local/mysql/data directory is not owned by the mysql user

I can't start the mysql service in Snow Leopard, and in the panel prefs appears the message, 2 Answers ...