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Selecting last element in JavaScript array [duplicate]
I'm making an application that updates a user's location and path in real time and displays this on a Google Map. I have functionality that allows multiple users to be tracked at the same time using an object, which is updated every second.
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Aligning rotated xticklabels with their respective xticks
...l.set_y(label.get_position()[1] - (i % 2) * 0.075)
For more background and alternatives, see this post on my blog
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Best way to require all files from a directory in ruby?
...ich can lead to spurious errors. I added my own answer which explains that and shows how to strip the extension.
– Pete Hodgson
Feb 9 '10 at 18:40
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Correct approach to global logging in Golang
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Create a single log.Logger and pass it around?
That is possible. A log.Logger can be used concurrently from multiple goroutines.
Pass around a pointer to that log.Logger?
log.New returns a *Logger which is usually an indication that yo...
String concatenation does not work in SQLite
...| operator is "concatenate" - it joins together the two strings of its operands.
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Android preferences onclick event
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Badr,
You need to set android:key for the item, Then in your code you can do...
Assuming you use the following in your XML:
<Preference android:title="About" android:key="myKey"></Preference>
Then you can do the following in your ...
NameError: name 'self' is not defined
...ot refer each other.
It's a common pattern to default an argument to None and add a test for that in code:
def p(self, b=None):
if b is None:
b = self.a
print b
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Best way to check if a URL is valid
.... But it can't read your mind. There's a huge difference between invalid and unwanted.. Unwanted is very subjective, which is why it's left to the programmer to work out that detail. You might also note the code validates the URL, but doesn't prove it exists. It's not PHP's fault that a user mi...
How to convert PascalCase to pascal_case?
...ce beginning with a lowercase letter must be followed by lowercase letters and digits;
A sequence beginning with an uppercase letter can be followed by either:
one or more uppercase letters and digits (followed by either the end of the string or an uppercase letter followed by a lowercase letter o...
HTML select form with option to enter custom value
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HTML5 has a built-in combo box. You create a text input and a datalist. Then you add a list attribute to the input, with a value of the id of the datalist.
Update: As of March 2019 all major browsers (now including Safari 12.1 and iOS Safari 12.3) support datalist to the level ne...