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What GRANT USAGE ON SCHEMA exactly do?
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edited May 3 '19 at 17:05
J_H
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answered Jun 27 ...
How do I get ruby to print a full backtrace instead of a truncated one?
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Paste multiple times
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109
I have this in my .vimrc:
xnoremap p pgvy
(note: this will work only with the default regist...
How can I temporarily disable a foreign key constraint in MySQL?
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How can I use goto in Javascript?
...lo, world! message to the JavaScript console 538 times, like this:
var i = 0;
[lbl] start:
console.log("Hello, world!");
i++;
if(i < 538) goto start;
You can read more about how goto is implemented, but basically, it does some JavaScript preprocessing that takes advantage of the fact that you ca...
What are the undocumented features and limitations of the Windows FINDSTR command?
...eOffset: = The decimal byte offset of the start of the matching line, with 0 representing the 1st character of the 1st line. Only printed if /O option is specified. This is not the offset of the match within the line. It is the number of bytes from the beginning of the file to the beginning of the l...
Transitioning from Windows Forms to WPF
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edited Feb 8 '17 at 14:40
Community♦
111 silver badge
answered Mar 28 '13 at 14:32
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Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
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List comprehension: Returning two (or more) items for each item
...>>> list(chain.from_iterable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in range(3)))',
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Illegal string offset Warning PHP
I get a strange PHP error after updating my php version to 5.4.0-3.
16 Answers
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