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Do declared properties require a corresponding instance variable?
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In your interface, you can formally declare an instance variable between the braces, or via @property outside the braces, or both. Either way, they become attributes of the class. The difference is that if you declare @property, then you can implement usin...
Skip rows during csv import pandas
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^ No need to import at all, it is directly accessible as pd.compat.StringIO .
– cs95
Apr 8 '19 at 17:51
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Is it bad practice to have a constructor function return a Promise?
...create and initialize a new instance. It should set up data structures and all instance-specific properties, but not execute any tasks. It should be a pure function without side effects if possible, with all the benefits that has.
What if I want to execute things from my constructor?
That shou...
Is null reference possible?
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References are not pointers.
8.3.2/1:
A reference shall be initialized to
refer to a valid object or function.
[Note: in particular, a null reference
cannot exist in a well-defined
program, because the only way to
create such a reference would be to
bind it to the ...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
... Ben ClaytonBen Clayton
73.4k2424 gold badges115115 silver badges124124 bronze badges
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What is a deadlock?
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I'm using process here as a generalisation, not specifically an OS Process. These could be threads, but could also be completely different applications, or database connections. The pattern is the same.
– Keith
Sep 23 '08 at 14:42
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Deleting rows with MySQL LEFT JOIN
...ed May 4 '10 at 6:26
Daniel VassalloDaniel Vassallo
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What does “./” (dot slash) refer to in terms of an HTML file path location?
...e main part of the question then is: "Why to use it and is it necessary at all?". The only reason to prefer the syntax of "./file" instead of "file" I was able to find is that ./ means current folder and ONLY the current folder. So if there is some kind of tool/compiler/etc that searches for the fil...
How to allow remote connection to mysql
I have installed MySQL Community Edition 5.5 on my local machine and I want to allow remote connections so that I can connect from external source.
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How do I setup a SSL certificate for an express.js server?
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@Qix - in the OPs example, app is defined. This answer is satisfactory.
– Seiyria
May 19 '14 at 14:0...