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Are strongly-typed functions as parameters possible in TypeScript?
...he types of its argument and its return type. Here we specify that the callback parameter's type must be "function that accepts a number and returns type any":
class Foo {
save(callback: (n: number) => any) : void {
callback(42);
}
}
var foo = new Foo();
var strCallback = (resul...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
I'm reading some automated weather data from the web. The observations occur every 5 minutes and are compiled into monthly files for each weather station. Once I'm done parsing a file, the DataFrame looks something like this:
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Creating an R dataframe row-by-row
I would like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list...
What's the difference between Git Revert, Checkout and Reset?
I am trying to learn how to restore or rollback files and projects to a prior state, and don't understand the difference between git revert , checkout , and reset . Why are there 3 different commands for seemingly the same purpose, and when should someone choose one over the other?
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Boolean vs boolean in Java
...e default value of the former is null while in the latter it's 0 . How about Boolean vs boolean ?
7 Answers
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip
I'm building a web application using Visual Studio 2012.
I'm attempting to add word count into my textbox.
However after adding the the javascript codes and the html codes. I receive the error as stated above.
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Java Multiple Inheritance
...an attempt to fully understand how to solve Java's multiple inheritance problems I have a classic question that I need clarified.
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Which Java Collection should I use?
In this question How can I efficiently select a Standard Library container in C++11? is a handy flow chart to use when choosing C++ collections.
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How to pattern match using regular expression in Scala?
I would like to be able to find a match between the first letter of a word, and one of the letters in a group such as "ABC". In pseudocode, this might look something like:
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What is the difference between and ? [duplicate]
Both tags include the content from one page in another.
6 Answers
6
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