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Extracting specific columns in numpy array
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277
I assume you wanted columns 1 and 9?
To select multiple columns at once, use
X = data[:, [1, 9...
How to select Python version in PyCharm?
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152
File -> Settings
Preferences->Project Interpreter->Python Interpreters
If it's not li...
What is the difference between 'typedef' and 'using' in C++11?
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All standard references below refers to N4659: March 2017 post-Kona working draft/C++17 DIS.
Typedef declarations can, whereas alias declarations cannot, be used as initialization statements
But, with the first two non-template examples, are
there any other subtle differences...
Is there a way to 'pretty' print MongoDB shell output to a file?
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217
The shell provides some nice but hidden features because it's an interactive environment.
Whe...
Setting up foreign keys in phpMyAdmin?
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If you want to use phpMyAdmin to set up relations, you have to do 2 things. First of all, you have to define an index on the foreign key column in the referring table (so foo_bar.foo_id, in your case). Then, go to relation view (in the referring table) and select the referred column (so in ...
Sending emails in Node.js? [closed]
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142
votes
node-email-templates is a much better option:
https://github.com/niftylettuce...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...参指针为非空有着密切关系的。目录1。什么是段错误？2。为什 Segment fault 之所以能够流行于世，与Glibc库中基本上所有的函数都默认形参指针为非空有着密切关系的。
目录
1。什么是段错误？
2。为什么段错误这么“麻烦...
SQL command to display history of queries
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Baby Groot
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answered Jun 10 '14 at 6:18
Maysam TorabiMaysam T...