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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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Preloading images with JavaScript
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180
Yes. This should work on all major browsers.
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
...n future.
var isMac = navigator.platform.toUpperCase().indexOf('MAC')>=0;
To include iOS that also use the "left side"
var isMacLike = /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
var isIOS = /(iPhone|iPod|iPad)/i.test(navigator.platform);
var is_OSX = /(Mac|iPhone|iPod|iPad)/i.t...
Change a column type from Date to DateTime during ROR migration
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510
First in your terminal:
rails g migration change_date_format_in_my_table
Then in your migrati...
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
5
Express considers relative paths in sendfile as bad. ...
How to generate an openSSL key using a passphrase from the command line?
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210
If you don't use a passphrase, then the private key is not encrypted with any symmetric cipher -...
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...