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Why does DEBUG=False setting make my django Static Files Access fail?

...trouble started sneaking in the moment I wanted to render my own beautiful and custom 404.html and 500.html pages. 14 Answe...
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How to get the original value of an attribute in Rails

...ibute will give you the previous value. For rails 5.1+ Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123 Appending _was is deprecated in rails 5.1, now you should append _before_last_save Something like: before_save object do_something_with object.name_...
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Python - Count elements in list [duplicate]

...ltin, but it takes a mysterious argument, doesn't return the right answer, and its documentation is hard to find. – Reb.Cabin Jul 21 '16 at 3:29 2 ...
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matplotlib: colorbars and its text labels

... scheme cMap = ListedColormap(['white', 'green', 'blue','red']) #data np.random.seed(42) data = np.random.rand(4, 4) fig, ax = plt.subplots() heatmap = ax.pcolor(data, cmap=cMap) #legend cbar = plt.colorbar(heatmap) cbar.ax.get_yaxis().set_ticks([]) for j, lab in enumerate(['$0$','$1$','$2$','$&g...
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Getting associated type synonyms with template Haskell

Can Template Haskell find out the names and/or the declarations of the associated type synonyms declared in a type class? I expected reify would do what I want, but it doesn't seem to provide all the necessary information. It works for getting function type signatures: ...
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How do I change tab size in Vim?

Every time I add a selector in CSS and I press Enter to define the properties it ends up like this: 6 Answers ...
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Read text file into string array (and write)

The ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang? e.g. ...
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Writing/outputting HTML strings unescaped

... or any other type that implements IHtmlString in model or directly inline and use regular @: @{ var myHtmlString = new HtmlString(mystring);} @myHtmlString share | improve this answer | ...
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How can I discover the “path” of an embedded resource?

...tility { /// <summary> /// Takes the full name of a resource and loads it in to a stream. /// </summary> /// <param name="resourceName">Assuming an embedded resource is a file /// called info.png and is located in a folder called Resources, it /// will be co...
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Display / print all rows of a tibble (tbl_df)

... if you want don't want to worry about the value of n and you're already piping, you can use df %>% tbl_df %>% print(n = nrow(.)) – ClaytonJY Aug 3 '16 at 15:57 ...