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What is the difference between self::$bar and static::$bar in PHP?
What is the difference between using self and static in the example below?
5 Answers
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Completion handler for UINavigationController “pushViewController:animated”?
I'm about creating an app using a UINavigationController to present the next view controllers.
With iOS5 there´s a new method to presenting UIViewControllers :
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Replacing Pandas or Numpy Nan with a None to use with MysqlDB
I am trying to write a Pandas dataframe (or can use a numpy array) to a mysql database using MysqlDB . MysqlDB doesn't seem understand 'nan' and my database throws out an error saying nan is not in the field list. I need to find a way to convert the 'nan' into a NoneType.
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Generic deep diff between two objects
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I wrote a little class that is doing what you want, you can test it here.
Only thing that is different from your proposal is that I don't consider
[1,[{c: 1},2,3],{a:'hey'}]
and
[{a:'hey'},1,[3,{c: 1},2]]
to be same, because I think that arrays are not eq...
How do I create a Bash alias?
I'm on OSX and I need to put something like this, alias blah="/usr/bin/blah" in a config file but I don't know where the config file is.
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What does (angle brackets) mean in Java?
I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean?
6 Answers
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Regular expression to get a string between two strings in Javascript
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A lookahead (that (?= part) does not consume any input. It is a zero-width assertion (as are boundary checks and lookbehinds).
You want a regular match here, to consume the cow portion. To capture the portion in between, you use a capturing group (just put the portion of p...
How to calculate the number of days between two dates? [duplicate]
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const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
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What character to use to put an item at the end of an alphabetic list?
I often prepend ' _ ' to the item I want in first position.
Is there some sort of magical character I could use to put an item at the end of the list?
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event Action vs event EventHandler
Is there any different between declaring event Action<> and event EventHandler<> .
7 Answers
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