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Error installing mysql2: Failed to build gem native extension
I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error:
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Writing a new line to file in PHP (line feed)
...ased operating systems use "\n". You should stick to one convention (I'd chose "\n") and open your file in binary mode (fopen should get "wb", not "w").
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How to stop Flask from initialising twice in Debug Mode? [duplicate]
..., you can check for the value of WERKZEUG_RUN_MAIN in the environment:
if os.environ.get("WERKZEUG_RUN_MAIN") == "true":
# The reloader has already run - do what you want to do here
However, the condition is a bit more convoluted when you want the behavior to happen any time except in the loa...
Windows启动过程 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...，windows的启动过程就开始执行了。下面是详细步骤：1BIOS执行一些初始系统检查，并读取磁盘的第零簇的内容。第零簇内容...当你启动计算机之后，windows的启动过程就开始执行了。下面是详细步骤：
1、BIOS执行一些初始系统检...
How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean
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And it is called "Block Selection Mode" in Kate, if you, like me, were searching for it in the Edit menu.
– ReneSac
Apr 19 '15 at 20:52
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Android Writing Logs to text File
... code of Mine but then this method creates file but contains nothing. Basically I want to read previous contents of the file and then append my data with the existing content.
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Vim Insert Mode on Mac OS X
... LMAO. It seems like such a simple question, but I too was very lost. Hard to search for as well. I've always used the insert key. I was at a loss.
– Preston
Oct 14 '13 at 18:05
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Java String new line
... The third option is best for portability.
– Amos Bordowitz
Dec 2 '18 at 13:17
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FixedThreadPool vs CachedThreadPool: the lesser of two evils
...program that spawns threads (~5-150) which perform a bunch of tasks. Originally, I used a FixedThreadPool because this similar question suggested they were better suited for longer lived tasks and with my very limited knowledge of multithreading, I considered the average life of the threads (sev...
Python locale error: unsupported locale setting
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Run following commands
export LC_ALL="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"
sudo dpkg-reconfigure locales
It will solve this.
Make sure to match the .UTF-8 part to the actual syntax found in the output of locale -a e.g. .utf8 on some systems.
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