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Pycharm does not show plot
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Just use
plt.show()
This command tells the system to draw the plot in Pycharm.
Example:
plt.imshow(img.reshape((28, 28)))
plt.show()
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What are rvalues, lvalues, xvalues, glvalues, and prvalues?
...be moved from
im: has identity and can be moved from (e.g. the result of casting an lvalue to a rvalue reference)
Im: does not have identity and can be moved from.
The fourth possibility, IM, (doesn’t have identity and cannot be moved) is not
useful in C++ (or, I think) in any other l...
How to assign string to bytes array
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Safe and simple:
[]byte("Here is a string....")
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Add margin between a RadioButton and its label in Android?
Is it possible to add a little bit of space between a RadioButton and the label while still using Android's built-in components? By default the text looks a little scrunched.
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set gvim font in .vimrc file
...owing (Uses Consolas size 11 on Windows, Menlo Regular size 14 on Mac OS X and Inconsolata size 12 everywhere else):
if has("gui_running")
if has("gui_gtk2")
set guifont=Inconsolata\ 12
elseif has("gui_macvim")
set guifont=Menlo\ Regular:h14
elseif has("gui_win32")
set guifont=Con...
How to change port number for apache in WAMP
I am new to WAMP server and installed it on my system but after installing it when I check it by going to localhost url like this http://localhost/ in the browser it is not working. I am getting a 404 error and blank page .
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Is there a way to use shell_exec without waiting for the command to complete?
...; /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
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Making iTerm to translate 'meta-key' in the same way as in other OSes
...prompt respectively. Usually, the meta key is mapped to Alt key on Windows and Linux. However, in iTerm, I could not find a way to map this meta key to either Option or Command key on my MacBook Pro.
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How do you see the entire command history in interactive Python?
I'm working on the default python interpreter on Mac OS X, and I Cmd + K (cleared) my earlier commands. I can go through them one by one using the arrow keys. But is there an option like the --history option in bash shell, which shows you all the commands you've entered so far?
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How to open a web page from my application?
I want to make my WPF application open the default browser and go to a certain web page. How do I do that?
9 Answers
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