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How to manually deprecate members
...ike Objective-C, Swift has no preprocessor, so is there still a way to manually deprecate members of a class?
4 Answers
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String to Dictionary in Python
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It indicates a small-u unicode literal in Python. Habit is not a good reason. "The character encoding of JSON text is always Unicode." -- [Uu]nicode is NOT an encoding. What json.loads() expects is what you have got "over the wire" which is t...
Open another application from your own (intent)
...lication" in Android is slightly an extended one.
An application - technically a process - can have multiple activities, services, content providers and/or broadcast listeners. If at least one of them is running, the application is up and running (the process).
So, what you have to identify is how...
Stop handler.postDelayed()
I call multiple Handlers by new Handler().postDelayed(new Runnable().....
How can I stop it when I click on back?
4 Answer...
PHP case-insensitive in_array function
...ters are required, unless partial matching is desired.) However if you actually want the matching entries returned, I like this solution.
– Darren Cook
Sep 14 '12 at 6:57
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Regular expression: find spaces (tabs/space) but not newlines
... You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're targeting, such as [ \t\u3000].
If you're using Perl or PCRE, you have the option of...
Getting name of the class from an instance
... Remember to #import <objc/objc-runtime.h> to able to call class on an instance.
– JP Illanes
Mar 11 '15 at 8:04
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To find whether a column exists in data frame or not
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all(c("d", "e", "f") %in% colnames(dat))
– skan
Jul 28 '17 at 19:59
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More than 10 lines in a node.js stack error?
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If you'd like to see stack trace that spans over setTimeout/setInterval calls, then more sophisticated https://github.com/mattinsler/longjohn would be the way to go.
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How to update a value, given a key in a hashmap?
...e computeIfPresent method and supply it a mapping function, which will be called to compute a new value based on existing one.
For example,
Map<String, Integer> words = new HashMap<>();
words.put("hello", 3);
words.put("world", 4);
words.computeIfPresent("hello", (k, v) -> v + 1);
S...