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How to send and retrieve parameters using $state.go toParams and $stateParams?
...oller'
})
.state('view', {
templateUrl: 'overview',
params: ['index', 'anotherKey'],
controller: 'overviewController'
})
So also you should pass toParams as array like this:
params = { 'index': 123, 'anotherKey': 'This is a test' }
paramsArr = (val for key, val of params)
$state...
jQuery Set Select Index
...1+
$('#selectBox :nth-child(4)').prop('selected', true); // To select via index
$('#selectBox option:eq(3)').prop('selected', true); // To select via value
Thanks for the comment, .get won't work since it returns a DOM element, not a jQuery one. Keep in mind the .eq function can be used outsid...
How to remove part of a string? [closed]
...s part of a string.
The function substr() will take a string as input, the index form where you want the string to be trimmed. and an optional parameter is the length of the substring. You can see proper documentation and example code on http://php.net/manual/en/function.substr.php
NOTE : index for...
ALTER TABLE to add a composite primary key
...
They both enforce uniqueness on that set of three fields, however from an indexing standpoint there is a difference. The fields are indexed from left to right.
For example, consider the following queries:
A) SELECT person, place, thing FROM provider WHERE person = 'foo' AND thing = 'bar';
B) SELE...
How to get the position of a character in Python?
...
There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myS...
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...df = df.drop(some labels)
df = df.drop(df[<some boolean condition>].index)
Example
To remove all rows where column 'score' is < 50:
df = df.drop(df[df.score < 50].index)
In place version (as pointed out in comments)
df.drop(df[df.score < 50].index, inplace=True)
Multiple condit...
PostgreSQL: How to make “case-insensitive” query
...ny function) on the predicate columns--in this case "name"--will cause any indexes to no longer be seekable. If this is a large or frequently queried table, that could cause trouble. Case-insensitive collation, citext, or a function-based index will improve performance.
– Jorda...
Index on multiple columns in Ruby on Rails
...
The order does matter in indexing.
Put the most selective field first, i.e. the field that narrows down the number of rows fastest.
The index will only be used insofar as you use its columns in sequence starting at the beginning. i.e. if you index ...
Possible to iterate backwards through a foreach?
...
When working with a list (direct indexing), you cannot do it as efficiently as using a for loop.
Edit: Which generally means, when you are able to use a for loop, it's likely the correct method for this task. Plus, for as much as foreach is implemented in-o...
How to sort two lists (which reference each other) in the exact same way
...
The sorted index/map paradigm suggested by J.F. Sebastian is about 10% faster than either zip solution for me (using lists of 10000 random ints): %timeit index = range(len(l1)); index.sort(key=l1.__getitem__); map(l1.__getitem__, index...