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SQL how to increase or decrease one for a int column in one command
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Generic method multiple (OR) type constraint
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answered May 31 '12 at 12:50
Botz3000Botz3000
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Store select query's output in one array in postgres
...dited Oct 26 '17 at 16:59
user8839064
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answered Jun 19 '11 at 11:46
Denis de BernardyDenis d...
How do I load an HTML page in a using JavaScript?
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edited Jan 21 '19 at 13:14
Neuron
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answered J...
Node.js: How to send headers with form data using request module?
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193
I've finally managed to do it.
Answer in code snippet below:
var querystring = require('queryst...
Can you put two conditions in an xslt test attribute?
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phihagphihag
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How to get a specific version of a file in Mercurial?
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153
I think you want hg revert -r<rev> <file> (this will change that file to be as it wa...
Can I have H2 autocreate a schema in an in-memory database?
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173
Yes, H2 supports executing SQL statements when connecting. You could run a script, or just a sta...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
I often see source code using types like uint32, uint64 and I wonder if they should be defined by the programmer in the application code or if they are defined in a standard lib header.
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What is the easiest way to duplicate an activerecord record?
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To get a copy, use the clone (or dup for rails 3.1+) method:
# rails < 3.1
new_record = old_record.clone
#rails >= 3.1
new_record = old_record.dup
Then you can change whichever fields you want.
ActiveRecord overrides the built-in Object#clone to give you a new ...