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Is it a good practice to use try-except-else in Python?
...... except: ... else: ... structure makes for very readable code:
try:
raw_value = int(input())
except ValueError:
value = some_processed_value
else: # no error occured
value = process_value(raw_value)
Compare to how it might work in other languages:
raw_value = input()
if valid_number(...
How to change variables value while debugging with LLDB in Xcode?
...ram context, using variables currently in scope. This command
takes 'raw' input (no need to quote stuff).
Syntax: expression --
Command Options Usage: expression [-f ] [-G ]
[-d ] [-u ] -- expression [-o] [-d
] [-u ] -- expression
-G <gdb-format> ( --gdb-...
Razor doesn't understand unclosed html tags
...tic HTML encoding that Razor does if you're trying to output HTML):
@Html.Raw("<html>")
(Html.Raw reference from MS - http://msdn.microsoft.com/en-us/library/gg568896(v=vs.111).aspx)
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Fetch the row which has the Max value for a column
... Couldn't this return duplicates? Eg. if two rows have the same user_id and the same date (which happens to be the max).
– jastr
Jun 15 '16 at 19:30
3
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Rails: create on has_one association
...Alternatively, if you do not want to trigger delete callback
Shop.create(user_id: user.id, title: 'Some unique title')
This thread might be helpful. Click here
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Is background-color:none valid CSS?
...
aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive,
orange, purple, red, silver, teal, white, and yellow
transparent and inherit are valid keywords in their own right, but none is not.
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Getting the object's property name
...e: "el_1.png" },
BLUE_ELEMENT: { ID: "2", imageName: "el_2.png" },
ORANGE_ELEMENT: { ID: "3", imageName: "el_3.png" },
PURPLE_ELEMENT: { ID: "4", imageName: "el_4.png" },
YELLOW_ELEMENT: { ID: "5", imageName: "el_5.png" }
};
And now if you want to have a function that if you pass '...
PHP “php://input” vs $_POST
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The reason is that php://input returns all the raw data after the HTTP-headers of the request, regardless of the content type.
The PHP superglobal $_POST, only is supposed to wrap data that is either
application/x-www-form-urlencoded (standard content type for simple ...
Create a List of primitive int?
...s automatically boxed to Integer wrapper type. But it is a bad idea to use raw type lists, or for any generic type for that matter, in newer code.
I can add anything into this list.
Of course, that is the dis-advantage of using raw type. You can have Cat, Dog, Tiger, Dinosaur, all in one cont...
How to change legend title in ggplot
...+ geom_density(alpha=.3) +
scale_fill_manual(legend_title,values=c("orange","red"))
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