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Add data annotations to a class generated by entity framework
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did you miss the partial modifier? Do you use the same namespace?
– MUG4N
May 14 '15 at 7:59
5
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how to convert from int to char*?
The only way I know is:
9 Answers
9
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C#: Assign same value to multiple variables in single statement
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If you want to test it, try Console.WriteLine(num = 5);. (Disclaimer: I haven't yet)
– Arlen Beiler
May 9 '13 at 19:36
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Which characters need to be escaped when using Bash?
... 67 - g
Where first field is hexa value of byte, second contain E if character need to be escaped and third field show escaped presentation of character.
Why ,?
You could see some characters that don't always need to be escaped, like ,, } and {.
So not always but sometime:
echo test 1, 2, 3...
How do HashTables deal with collisions?
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If chaining is used, when given a key, how do we know which item to get back?
– ChaoSXDemon
Oct 10 '15 at 4:04
1
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Find MongoDB records where array field is not empty
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If you also have documents that don't have the key, you can use:
ME.find({ pictures: { $exists: true, $not: {$size: 0} } })
MongoDB don't use indexes if $size is involved, so here is a better solution:
ME.find({ pictures:...
How to hide UINavigationBar 1px bottom line
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For iOS 13:
Use the .shadowColor property
If this property is nil or contains the clear color, the bar displays no shadow
For instance:
let navigationBar = navigationController?.navigationBar
let navigationBarAppearence = UINavigationBarAppearance()
navigationBarA...
iPhone UITextField - Change placeholder text color
...iOS 6, it's possible to assign a color to the placeholder text like this:
if ([textField respondsToSelector:@selector(setAttributedPlaceholder:)]) {
UIColor *color = [UIColor blackColor];
textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:placeholderText attributes:@{N...
Python requests - print entire http request (raw)?
... this function because it is programmed to be pretty
printed and may differ from the actual request.
"""
print('{}\n{}\r\n{}\r\n\r\n{}'.format(
'-----------START-----------',
req.method + ' ' + req.url,
'\r\n'.join('{}: {}'.format(k, v) for k, v in req.headers.it...
Circular gradient in android
... the android:gradientRadius="250" doesn't work at all, I guess it behaved differently on older Android versions.
– Justin
Apr 22 '15 at 14:58
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