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Overriding fields or properties in subclasses
...or a property that will have a different value in each class that inherits from this parent class.
10 Answers
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Compiling C++ on remote Linux machine - “clock skew detected” warning
..., or worse, necessary files to not be built.
However, if you are building from scratch (not doing an incremental build) you can likely ignore this warning without consequence.
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How to get a function name as a string?
...edClass,self).call(sys._getframe().f_code.co_name, kwargs). So, the answer from Albert Vonpupp looks better to me.
– Richard Gomes
Aug 30 '13 at 19:20
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“unary operator expected” error in Bash if condition
...the variable expansion and the variable is undefined or empty, it vanishes from the scene of the crime, leaving only
if [ = "and" ];
which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)
The modern [[ operator has...
Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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This solution is used in / taken from Jquery library $.isNumeric(obj) api.jquery.com/jquery.isnumeric
– ThdK
Jan 12 '15 at 12:12
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git-checkout older revision of a file under a new name
...ing tree’s root directory. This is most useful to address a blob or tree from a commit or tree that has the same tree structure as the working tree.
Note that <path> here is FULL path relative to the top directory of your project, i.e. the directory with .git/ directory. (Or to be m...
Delete file from internal storage
...ontext.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file)));
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How to convert enum value to int?
...the OP already has a value of type Tax, and wants to get the numeric value from it.
– Jon Skeet
Sep 10 '14 at 22:34
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Under what circumstances are linked lists useful?
...tting an element in a known position:
on lists you have to walk the list from the first element to the element in the specific position. Worst case: O(n)
on arrays you can access the element immediately. O(1)
This is a very low-level comparison of these two popular and basic data structures and...
Test if a vector contains a given element
...x is which(v == b) or any other logical operator. In this case, the return from this would be 2. If v were c("b", "b", "c", "b", "d"), the return to which(v == b) would be 1, 2, 4.
– khtad
Jun 26 at 21:33
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