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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
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answered Jun 5 '10 at 6:16
ʇsәɹoɈʇsәɹoɈ
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How to find out which package version is loaded in R?
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549
You can use sessionInfo() to accomplish that.
> sessionInfo()
R version 2.15.0 (2012-03-30...
How to properly assert that an exception gets raised in pytest?
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352
pytest.raises(Exception) is what you need.
Code
import pytest
def test_passes():
with py...
Test if characters are in a string
...'') ).
– Greg Snow
Apr 12 '12 at 19:52
2
@GregSnow -- Tried system.time(a <- grepl("abc", vec)...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
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Troy Alford
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answered May 20 '12 at 19:32
RichardRichard
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How do I fetch only one branch of a remote Git repository?
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edited Mar 14 '15 at 21:22
Dilip Raj Baral
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How to compare Unicode characters that “look alike”?
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125
In many cases, you can normalize both of the Unicode characters to a certain normalization form ...
When should I use Lazy?
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125
why not just ALWAYS use Lazy?
– TruthOf42
Jun 11 '13 at 13:33
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How can I fill a div with an image while keeping it proportional?
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15 Answers
15
Active
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Fastest way(s) to move the cursor on a terminal command line?
...e command earlier, hit Ctrl+r for a reverse history search and type option25 (in this case). The line will be displayed. Hit Tab to start editing at this point.
Use history expansion with the s/// modifier. E.g. !-2:s/--option25/--newoption/ would rerun the second-to-last command, but replace option...