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Visual Studio immediate window command for Clear All

... you can use >cls, which is a predefined command alias to >Edit.ClearAll. The MSDN article lists all predefined aliases and you can define your own, too. (For VS 2010 and earlier, custom aliases are described in a separate article, though.) Scanning through, there's a whole slew of them, some...
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How to specify function types for void (not Void) methods in Java8?

...g (void). And this is what you want. For instance, if I wanted to display all element in a list I could simply create a consumer for that with a lambda expression: List<String> allJedi = asList("Luke","Obiwan","Quigon"); allJedi.forEach( jedi -> System.out.println(jedi) ); You can see a...
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Java FileReader encoding issue

...to a string, but I found the result is wrongly encoded and not readable at all. 6 Answers ...
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How to POST JSON Data With PHP cURL?

...re indicating Content-Type:application/json, but you are not json-encoding all of the POST data -- only the value of the "customer" POST field. Instead, do something like this: $ch = curl_init( $url ); # Setup request to send json via POST. $payload = json_encode( array( "customer"=> $data ) );...
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How to append text to an existing file in Java?

...he file does not already exist. It also does not append a newline automatically (which you often want when appending to a text file). Steve Chambers's answer covers how you could do this with Files class. However, if you will be writing to the same file many times, the above has to open and close t...
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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...
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How to pick a new color for each plotted line within a figure in matplotlib?

...at the bottom of this answer: stackoverflow.com/questions/4805048/… Basically you just do this: [colormap(i) for i in np.linspace(0, 0.9, num_plots)], where colormap is one of the colormaps in matplotlib.pyplot.cm and numplots is the number of unique colors that you want. Beware that this can res...
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promise already under evaluation: recursive default argument reference or earlier problems?

... Formal arguments of the form x=x cause this. Eliminating the two instances where they occur we get: f <- function(x, T) { 10 * sin(0.3 * x) * sin(1.3 * x^2) + 0.001 * x^3 + 0.2 * x + 80 } g <- function(x, T, f. = f) { ## 1. note f. exp(-...
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Exception messages in English?

... This issue can be partially worked around. The Framework exception code loads the error messages from its resources, based on the current thread locale. In the case of some exceptions, this happens at the time the Message property is accessed. For...
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Create an enum with string values

...vide a reliable and safe experience for named string values (which is partially what enums are used for). type Options = "hello" | "world"; var foo: Options; foo = "hello"; // Okay foo = "asdf"; // Error! More : https://www.typescriptlang.org/docs/handbook/advanced-types.html#string-literal-typ...