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jQuery - Detect value change on hidden input field
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answered Jan 22 '12 at 23:46
yycromanyycroman
6,91111 gold badge1616 silver badges1919 bronze badges
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How to count TRUE values in a logical vector
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179
There are some problems when logical vector contains NA values.
See for example:
z <- c(TR...
Wget output document and headers to STDOUT
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169
Try the following, no extra headers
wget -qO- www.google.com
Note the trailing -. This is p...
Android: how to make keyboard enter button say “Search” and handle its click?
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918
In the layout set your input method options to search.
<EditText
android:imeOptions="ac...
Datatable vs Dataset
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edited Apr 30 '15 at 10:31
Hossein Narimani Rad
26.3k1414 gold badges7575 silver badges106106 bronze badges
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Efficient way to apply multiple filters to pandas DataFrame or Series
...numpy) allow for boolean indexing, which will be much more efficient:
In [11]: df.loc[df['col1'] >= 1, 'col1']
Out[11]:
1 1
2 2
Name: col1
In [12]: df[df['col1'] >= 1]
Out[12]:
col1 col2
1 1 11
2 2 12
In [13]: df[(df['col1'] >= 1) & (df['col1'] <=1 )]
Out...
How to set or change the default Java (JDK) version on OS X?
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1566
First run /usr/libexec/java_home -V which will output something like the following:
Matching ...
Copy table without copying data
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144
Try:
CREATE TABLE foo SELECT * FROM bar LIMIT 0
Or:
CREATE TABLE foo SELECT * FROM bar WHE...
Javascript : natural sort of alphanumerical strings
...se-insensitive using sensitivity: 'base'. Tested in Chrome, Firefox, and IE11.
Here's an example. It returns 1, meaning 10 goes after 2:
'10'.localeCompare('2', undefined, {numeric: true, sensitivity: 'base'})
For performance when sorting large numbers of strings, the article says:
When com...
Generic List - moving an item within the list
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