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How to call methods dynamically based on their name? [duplicate]
... each with their own advantages and disadvantages. Care should be taken to select the most appropriate method for the situation.
The following table breaks down some of the more common techniques:
+---------------+-----------------+-----------------+------------+------------+
| Method | A...
Get specific object by id from array of objects in AngularJS
... };
// We filter the array by id, the result is an array
// so we select the element 0
single_object = $filter('filter')(foo.results, function (d) {return d.id === 2;})[0];
// If you want to see the result, just check the log
console.log(single_object);
}]);
Plunker: http://...
MySQL load NULL values from CSV data
...can see empty strings '' when they download a csv (using IFNULL(Col,'') in SELECT INTO OUTFILE query) for excel but then uploads accept them as null vs having to deal with \N in the csv. Thanks!
– chrisan
Sep 29 '13 at 15:47
...
Converting strings to floats in a DataFrame
...hole dataframe or just individual columns. It also gives you an ability to select how to treat stuff that can't be converted to numeric values:
import pandas as pd
s = pd.Series(['1.0', '2', -3])
pd.to_numeric(s)
s = pd.Series(['apple', '1.0', '2', -3])
pd.to_numeric(s, errors='ignore')
pd.to_numer...
What is the difference between service, directive and module?
...n directives (because they don't start with "ng"): a, form, input, script, select, textarea. Under Angular, these all do more than normal!
Directives allow you to "componentize HTML". Directives are often better than ng-include. E.g., when you start writing lots of HTML with mainly data-binding,...
Unresolved Import Issues with PyDev and Eclipse
... of the options but in vain. Then I tried the following which was great:
Select Project-> RightClick-> PyDev-> Remove PyDev Project Config
file-> restart
And I was using Python 2.7 as an interpreter, although it doesn’t effect, I think.
...
Sample random rows in dataframe
...356774 -0.1640883
9 -0.3983045 0.7157506
10 -0.9060305 2.3234110
Then select some rows at random:
> df[sample(nrow(df), 3), ]
X1 X2
9 -0.3983045 0.7157506
2 -1.1334614 -0.1973846
10 -0.9060305 2.3234110
...
Deleting multiple elements from a list
...; del a[0:3:2]
>>> a
[1, 3, 4]
This doesn't cover any arbitrary selection, of course, but it can certainly work for deleting any two items.
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...
increment date by one month
... return $dateReturned;
}
Example:
$startDate = '2014-06-03'; // select date in Y-m-d format
$nMonths = 1; // choose how many months you want to move ahead
$final = endCycle($startDate, $nMonths); // output: 2014-07-02
...
How to export and import a .sql file from command line with options? [duplicate]
...mysql_location -u $u_name -p $db_name < $sql_file
else
echo "please select a valid command"
fi
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