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django models selecting single field
...t=True)
That creates a flat list of all eng_names. If you want more than one field per row, you can't do a flat list: this will create a list of tuples:
Employees.objects.values_list('eng_name', 'rank')
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Replace all non-alphanumeric characters in a string
...ll*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go about doing this?
4...
what is the unsigned datatype?
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According to C17 6.7.2 §2:
Each list of type specifiers shall be one of the following multisets (delimited by commas, when there is more than one multiset per item); the type specifiers may occur in any order, possibly intermixed with the other declaration specifiers
— void
— ch...
Search all tables, all columns for a specific value SQL Server [duplicate]
...el, I've been meaning to get around to fix that, I've put up two flavours, one which can be run on it's own without creating a stored procedure, the other is a re-usable stored procedure that once you've added to your db you can re-run anytime you want. Hope it helps. Tim
– T...
When to use PNG or JPG in iPhone development?
...format is better due to reduced I/O required; I'm not sure how fast the iPhone's flash drive is. And I definitely wouldn't say PNG decompression requires "very little" energy; the Other.artwork file appears to be raw bitmap data, presumably because the CPU/memory overhead of PNG decompression is too...
Firefox Web Console Disabled?
...rebug, but that is most probably the source of the error for you as well. One more note, the error was still there even if firebug was turned off (disabled) for that particular page.
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Bootstrap: align input with button
... and input-group-append classes (see https://getbootstrap.com/docs/4.0/components/input-group/#button-addons)
Group button on the left side (prepend)
<div class="input-group mb-3">
<div class="input-group-prepend">
<button class="btn btn-outline-secondary" type="button">But...
Flexbox not giving equal width to elements
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There is an important bit that is not mentioned in the article to which you linked and that is flex-basis. By default flex-basis is auto.
From the spec:
If the specified flex-basis is auto, the used flex basis is the value of the flex item’s main size proper...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
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One reason is that up to now every assignment operator (i.e. an operator which changes a variable) has a = in it. If you add ++ and --, that's no longer the case.
Another reason is that the behavior of ++ and -- often confus...
Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
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In Java you can copy all the entries of a jar except the one you want to delete. i.e. you have to make a copy but don't need to create the individual files.
You can do this by
creating a new jar.
iterating though the Jar you have
copy the entry from one jar to the other, skippin...