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Convert Array to Object
...completeness, reduceRight allows you to iterate over your array in reverse order:
[{ a: 1},{ b: 2},{ c: 3}].reduceRight(/* same implementation as above */)
will produce: {c:3, b:2, a:1}
Your accumulator can be of any type for you specific purpose. For example in order to swap the key and value o...
How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
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@xtian: Well then you have to take care of the right order of saving to the database by persisting the objects with an EntityManager. In basic you just say em.persist(object1); em.persist(object2); etc.
– kaba713
Jan 24 '18 at 15:20
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How can I exclude all “permission denied” messages from “find”?
...files_and_folders | grep -v 'Permission denied' >&2
Note that the order of the redirections matters: 2>&1 must come first.
Capturing stdout output in a file up front allows 2>&1 to send only error messages through the pipeline, which grep can then unambiguously operate on.
T...
How can I group data with an Angular filter?
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you can use order-by with group-by @erfling, PTAL on: github.com/a8m/angular-filter/wiki/…
– a8m
Jan 14 '16 at 15:55
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How to extract one column of a csv file
...le DOS style line breaks (CRLF i.e. "\r\n") and UTF-16 encoding (with byte order mark) to "\n" and UTF-8 (without byte order mark), respectively. Standard CSV files use CRLF as line break, see Wikipedia.
If the input may contain multiline fields, you can use the following script. Note the use of sp...
How much faster is Redis than mongoDB?
...nt(sys.argv[1])
tests = [mongo_set, mongo_get, redis_set, redis_get] # order of tests is significant here!
do_tests(num, tests)
Results for with mongodb 1.8.1 and redis 2.2.5 and latest pymongo/redis-py:
$ ./cache_benchmark.py 10000
Completed mongo_set: 10000 ops in 1.40 seconds : 7167.6 ...
How can I dynamically add a directive in AngularJS?
... };
}
};
});
You'll notice I refactored your directive too in order to follow some best practices. Let me know if you have questions about any of those.
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What is the point of function pointers?
...nters is the C library qsort() function, which implements a Quick Sort. In order to be universal for any and all data structures the user may come up with, it takes a couple of void pointers to sortable data and a pointer to a function that knows how to compare two elements of these data structures....
How to make JavaScript execute after page load?
...g that the code as written results in handlers being fired in an undefined order when attached with attachEvent(). If order-of-handler-execution is important you may want to leave out the window.attachEvent branch.
– Grant Wagner
May 4 '09 at 20:00
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How can I see which Git branches are tracking which remote / upstream branch?
...| while read branch; do ... which doesn't need a FIFO and runs in the same order like the commands written.
– Daniel Böhmer
May 3 '18 at 7:21
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