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Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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How to draw a line in android
Can anybody tell how to draw a line in Android, perhaps with an example?
15 Answers
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Does the Go language have function/method overloading?
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No it does not.
See the Go Language FAQ, and specifically the section on overloading.
Method dispatch is simplified if it doesn't need to do type matching as well. Experience with other languages told us that having a variety of methods with the same name but di...
Multi-project test dependencies with gradle
I have a multi-project configuration and I want to use gradle.
16 Answers
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]
...ows however. SELECT DISTINCT won't work because it operates on all columns and I need to suppress duplicates based on the key columns.
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Loop through all nested dictionary values?
I'm trying to loop through a dictionary and print out all key value pairs where the value is not a nested dictionary. If the value is a dictionary I want to go into it and print out its key value pairs...etc. Any help?
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Double not (!!) operator in PHP
...applied twice. The right ! will result in a boolean, regardless of the operand. Then the left ! will negate that boolean.
This means that for any true value (numbers other than zero, non-empty strings and arrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, emp...
Is there a constraint that restricts my generic method to numeric types?
...ons for not implementing the feature in an interview with Bruce Eckel:
And it's not clear that the added complexity is worth the small yield that you get. If something you want to do is not directly supported in the constraint system, you can do it with a factory pattern. You could have a Matrix...
Convert hex string to int
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It's simply too big for an int (which is 4 bytes and signed).
Use
Long.parseLong("AA0F245C", 16);
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Python TypeError: not enough arguments for format string
...ing outdated? If you, for example, use one variable to store format string and you want to put string with replaced values in same variable you get just a tad bit cleaner code with format_string %= ('bla', 'bla', 'bla'). Care to elaborate or point to some useful link about this?
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