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✔ Checkmark selected row in UITableViewCell
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What if I want only the checkmark and want to deselect the row after a selection?
– gyozo kudor
Jan 8 '15 at 8:59
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What is the use of a private static variable in Java?
If a variable is declared as public static varName; , then I can access it from anywhere as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
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How can I calculate an md5 checksum of a directory?
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Note that the same checksum will be generated if a file gets renamed. So this doesn't truly fit a "checksum which will uniquely identify the directory as a whole" if you consider file layout part of the signature.
– Valentin Milea
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How can I multiply all items in a list together with Python?
...ordsforthewise without the third argument, it throws a TypeError exception if you pass it an empty sequence
– Francisco Couzo
Jul 11 '16 at 3:41
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GCD to perform task in main thread
...on the main thread, which happens when the corresponding run loop is run.
If you already are on the main thread, the behaviour is the same: the block is scheduled, and executed when the run loop of the main thread is run.
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JavaScript object: access variable property by name as string [duplicate]
If I have a javascript object that looks like below
3 Answers
3
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Java RegEx meta character (.) and ordinary dot?
In Java RegEx, how to find out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...)
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How to generate a random alpha-numeric string?
...ric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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What is the difference between Θ(n) and O(n)?
...g because nobody knows how to type this symbol, or does it mean something different?
9 Answers
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How do I use a custom Serializer with Jackson?
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As mentioned, @JsonValue is a good way. But if you don't mind a custom serializer, there's no need to write one for Item but rather one for User -- if so, it'd be as simple as:
public void serialize(Item value, JsonGenerator jgen,
SerializerProvider provider) thro...