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Select by partial string from a pandas DataFrame
...ost is long.
Basic Substring Search
# setup
df1 = pd.DataFrame({'col': ['foo', 'foobar', 'bar', 'baz']})
df1
col
0 foo
1 foobar
2 bar
3 baz
str.contains can be used to perform either substring searches or regex based search. The search defaults to regex-based unless you explic...
Dynamically access object property using variable
... variable, you have to use bracket notation:
var something = {
bar: 'foo'
};
var foo = 'bar';
// both x = something[foo] and something[foo] = x work as expected
console.log(something[foo]);
console.log(something.bar)
...
Where do I find the line number in the Xcode editor?
In Xcode 3, the line number of the current cursor location was displayed. I don't see this in Xcode 4. Is there a setting that will turn it on? Or a keypress that will give it to me?
...
How can I capitalize the first letter of each word in a string?
...letters without altering the capitalization of the rest of the words (e.g. Foo becomes foo, but FOO becomes fOO). This was perfect.
– TomNysetvold
May 23 '12 at 15:13
2
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What is the difference between class and instance attributes?
... can be multiple objects referred to. For instance
>>> class A: foo = []
>>> a, b = A(), A()
>>> a.foo.append(5)
>>> b.foo
[5]
>>> class A:
... def __init__(self): self.foo = []
>>> a, b = A(), A()
>>> a.foo.append(5)
>>> b.f...
Converting RGB to grayscale/intensity
When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140.
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How can I determine installed SQL Server instances and their versions?
I'm trying to determine what instances of sql server/sql express I have installed (either manually or programmatically) but all of the examples are telling me to run a SQL query to determine this which assumes I'm already connected to a particular instance.
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Removing first x characters from string?
How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
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Modifying a query string without reloading the page
... these mean you can do something simple like history.pushState(null, '', '/foo?bar=true') if your new url is on the same host/port.
– Blaskovicz
Nov 2 '16 at 19:38
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Styling Google Maps InfoWindow
I've been attempting to style my Google Maps InfoWindow , but the documentation is very limited on this topic. How do you style an InfoWindow ?
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