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Delete/Reset all entries in Core Data?
...ly.
The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to delete some entities and not others. However you still need to make sure you retain referential integrity or you won't be able to persist your changes.
Ju...
Add a CSS border on hover without moving the element [duplicate]
...order-top: 1px solid #d0d0d0;
}
If your elements have a specified height and/or width, you can also use box-sizing:border-box;, as this box model includes padding and border widths into the computed size, example:
.jobs .item {
background: #eee;
height: 40px;
box-sizing: border-box;
}...
Disabled href tag
...ider it bad UX if you leave the existing CSS on it. The user will click it and think something is broken. You should never allow the user to become confused about what is happening.
– agm1984
May 11 '18 at 6:49
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WPF global exception handler [duplicate]
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You can handle the AppDomain.UnhandledException event
EDIT: actually, this event is probably more adequate: Application.DispatcherUnhandledException
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Objective-C: Calling selectors with multiple arguments
...ant to rename the method:
- (void)myTestWithAString:(NSString*)aString;
And call:
[self performSelector:@selector(myTestWithAString:) withObject:myString];
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How can I check whether a option already exist in select by JQuery
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And some like the manual approach, like me. This also combines the step of adding the boolean in there, instead of producing the 0 or 1 like the other does and having to convert it. I say both approaches are fine because yo...
What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
Searching for the ~ character isn't easy. I was looking over some CSS and found this
5 Answers
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How to match, but not capture, part of a regex?
...regular expression matches only apple or banana if it’s preceded by 123- and followed by -456, or it matches the empty string if it’s preceded by 123- and followed by 456.
|Lookaround | Name | What it Does |
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ConnectionTimeout versus SocketTimeout
...llisecond new data is received (assuming that you read the data block wise and the block is large enough)!
If only the incoming stream stalls for more than a millisecond you are running into a timeout.
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How to avoid annoying error “declared and not used”
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That error is here to force you to write better code, and be sure to use everything you declare or import. It makes it easier to read code written by other people (you are always sure that all declared variables will be used), and avoid some possible dead code.
But, if you real...