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How do I automatically update a timestamp in PostgreSQL
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203
To populate the column during insert, use a DEFAULT value:
CREATE TABLE users (
id serial no...
Get value from JToken that may not exist (best practices)
...pes and the ?? operator:
width = jToken.Value<double?>("width") ?? 100;
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Spring: how do I inject an HttpServletRequest into a request-scoped bean?
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answered Jul 24 '10 at 7:27
skaffmanskaffman
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Express res.sendfile throwing forbidden error
... like me
– Adam Waite
Aug 6 '13 at 10:49
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Express considers relative paths in sendfile as bad. ...
What is the difference between `-fpic` and `-fPIC` gcc parameters?
...on Sá Maia
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answered Aug 23 '10 at 1:33
AnycornAnycorn
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Which MIME type to use for a binary file that's specific to my program?
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I'd recommend application/octet-stream as RFC2046 says "The "octet-stream" subtype is used to indicate that a body contains arbitrary binary data" and "The recommended action for an implementation that receives an "application/octet-stream" entity is to simply offer to p...
Get number of digits with JavaScript
...hematically. For positive integers there is a wonderful algorithm with log10:
var length = Math.log(number) * Math.LOG10E + 1 | 0; // for positive integers
For all types of integers (including negatives) there is a brilliant optimised solution from @Mwr247, but be careful with using Math.log10, ...
Change a column type from Date to DateTime during ROR migration
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First in your terminal:
rails g migration change_date_format_in_my_table
Then in your migrati...
Android studio - Failed to find target android-18
I have a problem with Android Studio 0.2.3.
12 Answers
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IntelliJ IDEA jump from interface to implementing class in Java
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edited Apr 19 '13 at 9:10
Boris Pavlović
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