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How do I list all versions of a gem available at a remote site?
...re safe (if putting sth like that in a script or README) is to put it in a string so that we're sure we pass it 1-1, i.e. gem list '^rhc$' etc.
– mgol
Oct 2 '13 at 3:04
1
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How to create duplicate allowed attributes
...s even possible to have the MyCustomAttribute constructor take an array of strings, a string[], with or without the params modifier. Then it could be applied with the syntax [MyCustom("CONTROL", "ALT", "SHIFT", "D")] (with params).
– Jeppe Stig Nielsen
Oct 13 '...
How to compare dates in datetime fields in Postgresql?
...er the first form because you want to avoid date manipulation on the input string, correct? you don't need to be afraid:
SELECT *
FROM table
WHERE update_date >= '2013-05-03'::date
AND update_date < ('2013-05-03'::date + '1 day'::interval);
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GCC compile error with >2 GB of code
...u can do this:
change the generator program to output offsets instead of strings (i.e. instead of the string "s.ds0" it will produce offsetof(ProcessVars, ds0)
create an array of such offsets
write an evaluator which accepts the array above and the base addresses of the structure pointers and pro...
Linux/Unix command to determine if process is running?
...ux and OS X:
3519 3521 3523 3524
The output of the following is an empty string, making this approach safe for processes that are not running: echo ps cax | grep aasdfasdf | grep -o '^[ ]*[0-9]*'
This approach is suitable for writing a simple empty string test, then even iterating through the dis...
Declare slice or make slice?
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Can i say the same for map? var m map[string]int vs m:= make(map[string]int) ? Thanks.
– joshua
Mar 6 '15 at 7:46
11
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How to use greater than operator with date?
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you have enlosed start_date with single quote causing it to become string, use backtick instead
SELECT * FROM `la_schedule` WHERE `start_date` > '2012-11-18';
SQLFiddle Demo
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POST data in JSON format
...on; charset=UTF-8');
// send the collected data as JSON
xhr.send(JSON.stringify(data));
xhr.onloadend = function () {
// done
};
};
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Rails.env vs RAILS_ENV
...s/lib/initializer.rb, line 55
def env
@_env ||= ActiveSupport::StringInquirer.new(RAILS_ENV)
end
But, look at specifically how it's wrapped, using ActiveSupport::StringInquirer:
Wrapping a string in this class gives
you a prettier way to test for
equality. The value return...
How to get UTC time in Python?
....strftime("%s"))
If you want microseconds, you need to change the export string and cast to float like: return float(now.strftime("%s.%f"))
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