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Devise Secret Key was not set
...ration back end. Active Admin in turn uses Devise for user authentication. Now, when I try to deploy the app using capistrano on the VPS server, I get the below error:
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Disable Laravel's Eloquent timestamps
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Don't know why I never thought of doing a BaseModel and setting it there. Works beautifully. Just a note according to the documentation pivot tables need it only if setting withTimestamps() now (don't know if this changed from previ...
Getting the exception value in Python
...ever see the actual exception but just a UnicodeDecodeError. If you don't know the exception's encoding (and most of the time you don't), you should either work on repr(e) or if you really need to, use another try-except block in your exception handling which catches UnicodeDecodeErrors and falls ba...
How do you change the size of figures drawn with matplotlib?
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Solved me a problem with imshow, now I'm using this code just after eliminating the space around the plotting area with plt.subplots_adjust(left=0.0, right=1.0, bottom=0.0, top=1.0).
– heltonbiker
Nov 26 '12 at 14:21
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How do I get the key at a specific index from a Dictionary in Swift?
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@Max, this is old Swift syntax. Now you can use: dict.enumerated().forEach { (index, element) in ... }
– Matthew Korporaal
Jan 15 '19 at 10:28
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Change text color of one word in a TextView
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Easiest way I know is to just use html.
String first = "This word is ";
String next = "<font color='#EE0000'>red</font>";
t.setText(Html.fromHtml(first + next));
But this will require you to rebuild the TextView when (if?) yo...
Check if an array is empty or exists
...ypeof array.length; // => "number"
Case Empty Array
Now since we tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements.
firstArr...
Read a variable in bash with a default value
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I just wrote this comment following a scratched itch. I now have a shell function, which includes the above, and I tend to use that. Shell doesn't seem to loop nicely, so I try to avoid it. I might test the result from my function, and give one more try, but basically, I'm writi...
String difference in Bash
...2" > p
Greg's Bash FAQ: Working with Named Pipes
Named pipe is also known as a FIFO.
The - on its own is for standard input.
<<< is a "here string".
& is like ; but puts it in the background
share
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How can I use swift in Terminal?
... xcode-select -s /Applications/Xcode7.app/
xcrun --sdk macosx swift
from now on the default active developer directory changed, you can check that using:
xcode-select -p
If you want to use snapshots provided by Swift.org, you should not miss Installation here.
as first answered by me in Ru...