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C pointer to array/array of pointers disambiguation
What is the difference between the following declarations:
13 Answers
13
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Significance of -pthread flag when compiling
In various multi threaded C and C++ projects I've seen the -pthread flag applied to both the compiling and linking stage while others don't use it at all and just pass -lpthread to the linking stage.
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How to access outer class from an inner class?
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The methods of a nested class cannot directly access the instance attributes of the outer class.
Note that it is not necessarily the case that an instance of the outer class exists even when you have created an instance of the inner class.
In fact, it is often recommended against using nested...
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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Hidden Features of PHP? [closed]
I know this sounds like a point-whoring question but let me explain where I'm coming from.
78 Answers
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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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