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Change string color with NSAttributedString?
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With Swift 4, NSAttributedStringKey has a static property called foregroundColor. foregroundColor has the following declaration:
static let foregroundColor: NSAttributedStringKey
The value of this attribute is a UIColor object. Use this attribute to specify the color of the te...
Unsupported major.minor version 52.0 [duplicate]
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"J2SE" was only used till Java 1.5 and is nowadays called "Java SE", see en.wikipedia.org/wiki/Java_Platform,_Standard_Edition
– Tim Büthe
Sep 6 '16 at 14:38
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Binding a Button's visibility to a bool value in ViewModel
...visibility based on that. Be sure to implement INotifyPropertyChanged and call it on both the Boolean and Visibility properties to updated properly.
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What's the difference between Git Revert, Checkout and Reset?
...erent things depending on how it is invoked. It modifies the index (the so-called "staging area"). Or it changes which commit a branch head is currently pointing at. This command may alter existing history (by changing the commit that a branch references).
Using these commands
If a commit has been...
Filter rows which contain a certain string
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dplyr::filter(df, !grepl("RTB",TrackingPixel))
Since you have not provided the original data, I will add a toy example using the mtcars data set. Imagine you are only interested in cars produced by Mazda or Toyota.
mtcars$type <- rownames(mtcars)
dplyr::filter(mtcars, grepl('Toyota|Mazda', ...
Disable HttpClient logging
...se log4j.properties or commons-logging.properties.
Instead, create a file called logback.xml and place it in your source code folder (in my case, src):
<configuration debug="false">
<!-- definition of appender STDOUT -->
<appender name="STDOUT" class="ch.qos.logback.core.Console...
GridLayout and Row/Column Span Woe
The Android Developers Blog post introducing GridLayout shows this diagram of how spans impact automatic index allocation:
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Pointers, smart pointers or shared pointers? [duplicate]
...stack-allocated object that wraps a pointer; when it goes out of scope, it calls delete on the pointer it wraps. It "owns" the contained pointer in that it is in charge of deleteing it at some point. They allow you to get a raw reference to the pointer they wrap for passing to other methods, as well...
PHP append one array to another (not array_push or +)
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Which term is used for such syntax? (E.g. in JS it is called spread operator ) Or can you provide link to docs?
– basil
Jan 6 '19 at 6:31
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
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Regular expressions do have AND operators, they're called lookahead/lookbehind assertions.
– relatively_random
Sep 26 '19 at 8:23
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