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Can I delete a git commit but keep the changes?
... commit. Changes still exist in the working tree(the project folder) + the index (--cached)
git reset HEAD^ --mixed
undo git commit + git add. Changes still exist in the working tree
git reset HEAD^ --hard
Like you never made these changes to the codebase. Changes are gone from the working tree....
I need to store postal codes in a database. How big should the column be?
... Canadian postcodes in preference to a CountryCode (int) field that can be indexed. Seperating Data and Presentation layer is the right way to do it.
– Sam
Nov 17 '11 at 3:50
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Where IN clause in LINQ [duplicate]
... source, params T[] list)
{
return list.Contains(source);
}
Now you call:
var states = _objdatasources.StateList().Where(s => s.In(countrycodes));
You can pass individual values too:
var states = tooManyStates.Where(s => s.In("x", "y", "z"));
Feels more natural and closer to sql.
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Rails Root directory path?
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Personally I like the newer syntax: Rails.root / 'app' / 'assets' / 'images' / 'logo.png'
– Ajedi32
Feb 18 '16 at 17:13
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Why can I access TypeScript private members when I shouldn't be able to?
...bers in TypeScript, and I find it a little confusing. Intellisense doesn't allow to access private member, but in pure JavaScript, it's all there. This makes me think that TS doesn't implement private members correctly.
Any thoughts?
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How do you echo a 4-digit Unicode character in Bash?
...d like to add the Unicode skull and crossbones to my shell prompt (specifically the 'SKULL AND CROSSBONES' (U+2620)), but I can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
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Checking a Python module version at runtime
...s have an attribute which holds the version information for the module (usually something like module.VERSION or module.__version__ ), however some do not.
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Remove a JSON attribute [duplicate]
...r other values, since they don't have a "key". Arrays use a position based index, which is why you would always access values in an array using integer based indices.
– praneetloke
Apr 1 '18 at 17:16
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Django rest framework nested self-referential objects
... the `subcategories` field
return CategorySerializer()
Actually, as you've noted the above isn't quite right.
This is a bit of a hack, but you might try adding the field in after the serializer is already declared.
class CategorySerializer(serializers.ModelSerializer):
parentCat...
Why should text files end with a newline?
I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
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