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Does Ruby have a string.startswith(“abc”) built in method?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Nov 9 '10 at 4:48
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Why can't I use an alias in a DELETE statement?
In SQL Server Compact Edition in Visual Studio 2010 (maybe SQL Server and SQL in general, I don't know), this command works:
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Count the occurrences of DISTINCT values
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edited Jan 24 at 4:20
Gruber
1,69833 gold badges2222 silver badges4141 bronze badges
answ...
Check if a Postgres JSON array contains a string
...as food
d(# where food::text = '"carrots"'
d(# );
Execution time: 3084.927 ms
d=# -- Postgres 9.4+ solution
d=# explain analyze select info->'name' from rabbits where (info->'food')::jsonb ? 'carrots';
Execution time: 1255.501 ms
d=# alter table rabbits alter info type jsonb using info::...
How do you push just a single Git branch (and no other branches)?
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cpjolicoeurcpjolicoeur
11.8k77 gold badges4242 silver badges5858 bronze badges
55
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Adding a y-axis label to secondary y-axis in matplotlib
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241
The best way is to interact with the axes object directly
import numpy as np
import matplotli...
throw checked Exceptions from mocks with Mockito
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235
Check the Java API for List.
The get(int index) method is declared to throw only the IndexOutO...
How to pass parameters to a partial view in ASP.NET MVC?
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edited Oct 29 '13 at 15:01
Michał Powaga
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UITextField - capture return button event
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212
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];...
difference between #if defined(WIN32) and #ifdef(WIN32)
...can do compound conditionals.
For example in your case:
#if defined(WIN32) && !defined(UNIX)
/* Do windows stuff */
#elif defined(UNIX) && !defined(WIN32)
/* Do linux stuff */
#else
/* Error, both can't be defined or undefined same time */
#endif
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