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generate model using user:references vs user_id:integer
...un the migration. In rails console, you can see that this is the case:
:001 > Micropost
=> Micropost(id: integer, user_id: integer, created_at: datetime, updated_at: datetime)
The second command adds a belongs_to :user relationship in your Micropost model whereas the first does not. When...
Why use softmax as opposed to standard normalization?
...ing softmax you can still tell when your outputs get excited. Consider [0.001, 0.002] (0.49975, 0.50025) vs [0.5, 1.0] (0.37, 0.62)
– Piotr Czapla
Jul 28 at 17:21
1
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Sleep Command in T-SQL?
... relies on GetTickCount. So, for example, the call WAITFOR DELAY '00:00:00:001' is likely to result in no wait at all.
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How to format numbers as currency string?
...
Actually You can. i.e. for dollars: '$'+(value + 0.001).toLocaleString().slice(0,-1)
– Zaptree
Nov 18 '13 at 3:33
6
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Running multiple AsyncTasks at the same time — not possible?
...;(2);
nameValuePairs.add(new BasicNameValuePair("authorized","001"));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// execute HTTP post request
HttpResponse response = httpClient.execute(httpPost);
BufferedReader reader;...
JSON: why are forward slashes escaped?
...(U+0022), reverse solidus (U+005C), and the control characters U+0000 to U+001F."
– Harold L
Nov 7 '15 at 22:18
4
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How to use double or single brackets, parentheses, curly braces
...error.log error.log.OLD")
$ for num in {000..2}; do echo "$num"; done
000
001
002
$ echo {00..8..2}
00 02 04 06 08
$ echo {D..T..4}
D H L P T
Note that the leading zero and increment features weren't available before Bash 4.
Thanks to gboffi for reminding me about brace expansions.
Double par...
techniques for obscuring sensitive strings in C++
... *s++ = *str;
}
*s = '\0';
}
void f()
{
char privateStr[] = "\001H\002e\003l\004l\005o";
unscramble( privateStr ); // privateStr is 'Hello' now.
string s = privateStr;
// ...
}
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How do I create an HTML table with a fixed/frozen left column and a scrollable body?
... edited Aug 14 at 2:37
ravin001
53122 silver badges66 bronze badges
answered Nov 28 '18 at 18:52
Circuit B...
How to loop through array in jQuery?
...wn across the range 0 to 150,000 for some reason, and so the length is 150,001), and if you use appropriate safeguards like hasOwnProperty and checking the property name is really numeric (see link above), for..in can be a perfectly reasonable way to avoid lots of unnecessary loops, since only the p...