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What are the Ruby File.open modes and options?
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380
In Ruby IO module documentation, I suppose.
Mode | Meaning
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Spring Boot Rest Controller how to return different HTTP status codes?
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answered Jun 18 '14 at 18:31
Jakub KubrynskiJakub Kubrynski
12.2k33 gold badges5353 silver badges7878 bronze badges
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Function that creates a timestamp in c#
...tring("yyyyMMddHHmmssfff");
}
This will give you a string like 200905211035131468, as the string goes from highest order bits of the timestamp to lowest order simple string sorting in your SQL queries can be used to order by date if you're sticking values in a database
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How are GCC and g++ bootstrapped?
...re were others when it was written. The very first C compiler ever (ca. 1973, IIRC) was implemented either in PDP-11 assembly, or in the B programming language which preceded it, but in any case the B compiler was written in assembly. Similarly, the first ever C++ compiler (CPre/Cfront, 1979-1983) w...
Do C# Timers elapse on a separate thread?
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edited May 23 '17 at 11:55
Community♦
111 silver badge
answered Sep 16 '09 at 22:43
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How do I automatically sort a has_many relationship in Rails?
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edited Apr 10 '09 at 23:44
answered Apr 10 '09 at 21:54
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How can I have linked dependencies in a git repo?
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EmilyEmily
16.4k33 gold badges3838 silver badges4545 bronze badges
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How to merge 2 JSON objects from 2 files using jq?
...les in the same array.
Would get you:
{
"value1": 200,
"timestamp": 1382461861,
"value": {
"aaa": {
"value1": "v1",
"value2": "v2",
"value3": "v3",
"value4": 4
},
"bbb": {
"value1": "v1",
"value2": "v2",
"value3": "v3"
},
"ccc": {...
Python: Select subset from list based on index set
...irst option is equivalent to itertools.compress available since Python 2.7/3.1. See @Gary Kerr's answer.
property_asel = list(itertools.compress(property_a, good_objects))
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Right query to get the current number of connections in a PostgreSQL DB
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233
Those two requires aren't equivalent. The equivalent version of the first one would be:
SELECT...