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Regex: ?: notation (Question mark and colon notation) [duplicate]
...on-capturing group. It's no different to ( unless you're retrieving groups from the regex after use. See What is a non-capturing group? What does a question mark followed by a colon (?:) mean?.
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CURL Command Line URL Parameters
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Force the origin to start at 0
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Objective-C formatting string for boolean?
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In Objective-C, the BOOL type is just a signed char. From <objc/objc.h>:
typedef signed char BOOL;
#define YES (BOOL)1
#define NO (BOOL)0
So you can print them using the %d formatter But that will only print a 1 or a 0, not YES or NO.
Or you can just ...
Return None if Dictionary key is not available
...ew empty dictionary
| dict(mapping) -> new dictionary initialized from a mapping object's
| (key, value) pairs
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| get(...)
| D.get(k[,d]) -> D[k] if k in D, else d. d defaults to None.
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Do I need quotes for strings in YAML?
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Why doesn't Java allow generic subclasses of Throwable?
...tion, the compiler has no way to guarantee that MyException is only thrown from a scope that it is processing.
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Comprehensive beginner's virtualenv tutorial? [closed]
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How to disable python warnings
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If you only expect to catch warnings from a specific category, you can pass it using the category argument: warnings.filterwarnings("ignore", category=DeprecationWarning)
– ostrokach
Jun 12 '17 at 1:20
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sed whole word search and replace
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