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How does '20 seconds' work in Scala?
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Any idea why importing import scala.concurrent.duration._ resolves 20 seconds but actually importing the DurationConversions Trait doesn't? EDIT: Just realized what they're actually importing is DurationInt. I'm guessing this is because you can't import the actual Trait? Only a c...
WebDriver: check if an element exists? [duplicate]
... It seems the default implicit wait time is 0, (seleniumhq.org/docs/04_webdriver_advanced.html) So unless you've configured it to be longer, this shouldn't be necessary.
– Andrew M
May 24 '12 at 9:43
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Plot two graphs in same plot in R
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@uvts_cvs Yes, it preserves the original graph in toto.
– Sam
Sep 23 '12 at 13:02
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How can I add an ampersand for a value in a ASP.net/C# app config file value
...link isn't displaying any article at the moment.
– Gk_999
Aug 31 at 6:30
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How do I sort an array of hashes by a value in the hash?
...by has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
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How do I select an element in jQuery by using a variable for the ID?
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row = $("body").find('#' + row_id);
More importantly doing the additional body.find has no impact on performance. The proper way to do this is simply:
row = $('#' + row_id);
s...
Twig: in_array or similar possible within if statement?
...to change the second line of your second code-block from
{% if myVar is in_array(array_keys(someOtherArray)) %}
to
{% if myVar in someOtherArray|keys %}
in is the containment-operator and keys a filter that returns an arrays keys.
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mysql check collation of a table
...luding the collation.
For example SHOW TABLE STATUS where name like 'TABLE_NAME'
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pandas: multiple conditions while indexing data frame - unexpected behavior
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You can use query(), i.e.:
df_filtered = df.query('a == 4 & b != 2')
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Convert SQLITE SQL dump file to POSTGRESQL
...made constraint such as this:
CREATE TABLE tablename (
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unsigned_column_name integer CHECK (unsigned_column_name > 0)
);
While SQLite defaults null values to '', PostgreSQL requires them to be set as NULL.
The syntax in the SQLite dump file appears to be mostly compatible with Postgre...