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PHP function overloading

...cannot have two functions with the same name. Class method overloading is different in PHP than in many other languages. PHP uses the same word but it describes a different pattern. You can, however, declare a variadic function that takes in a variable number of arguments. You would use func_num_ar...
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How to programmatically determine the current checked out Git branch [duplicate]

...{branch_name##refs/heads/} git symbolic-ref is used to extract fully qualified branch name from symbolic reference; we use it for HEAD, which is currently checked out branch. Alternate solution could be: branch_name=$(git symbolic-ref -q HEAD) branch_name=${branch_name##refs/heads/} branch_name=...
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Is there an ExecutorService that uses the current thread?

...oreExecutors.newDirectExecutorService(), or MoreExecutors.directExecutor() if you don't need an ExecutorService. If including Guava is too heavy-weight, you can implement something almost as good: public final class SameThreadExecutorService extends ThreadPoolExecutor { private final CountDownLa...
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JavaScript string newline character?

... the universal newline character sequence in Javascript for all platforms? If not, how do I determine the character for the current environment? ...
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Java 8 NullPointerException in Collectors.toMap

The Java 8 Collectors.toMap throws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ? ...
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Recommended date format for REST GET API

...d want to stick to a standard like you have for ISO 8601 (url encoded). If not having ugly URI is a concern (e.g. not including the url encoded version of :, -, in you URI) and (human) addressability is not as important, you could also consider epoch time (e.g. http://example.com/start/133116237...
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Selectors in Objective-C?

... class of type 'SEL' and then run methods such as respondToSelector to see if the receiver implements that method. Can someone offer up a better explanation? ...
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Remove empty array elements

...all this for you: print_r(array_filter($linksArray)); Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that are i.e. exact string '0', you will need a custom callback: // PHP 7.4 and...
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How do I decode HTML entities in Swift?

... This answer was last revised for Swift 5.2 and iOS 13.4 SDK. There's no straightforward way to do that, but you can use NSAttributedString magic to make this process as painless as possible (be warned that this method will strip all HTML tags as well). Rem...
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Python SQL query string formatting

...String Literal Concatenation (http://docs.python.org/), which could be qualified a somewhere between Option 2 and Option 4 Code Sample: sql = ("SELECT field1, field2, field3, field4 " "FROM table " "WHERE condition1=1 " "AND condition2=2;") Works as well with f-strings: fie...