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How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
...y in the class. If you try to instantiate the class with a signature that doesn't match any existing ones, it will offer to generate that constructor for you.
– James Kolpack
Jun 4 '10 at 17:45
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How to send password securely over HTTP?
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What if the webhost you subscribed to does not support adding SSL certificates?
– Calmarius
Jul 22 '13 at 14:13
91
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
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The tidyr package from the tidyverse has an excellent function that does this.
Assuming your variables are named v1, v2 and v3, left to right, and you data frame is named dat:
dat %>%
spread(key = v2,
value = v3)
Ta da!
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Remove all child elements of a DOM node in JavaScript
...to WeakMaps at some point. Cleaning (or even the existence of) the $.cache doesn't appear to be officially documented.
– npjohns
Jun 4 '16 at 3:30
10
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Overloading Macro on Number of Arguments
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Does not work on Microsoft Visual Studio 2010, VA_ARGS seems to be expanded into a single macro argument.
– Étienne
Oct 28 '14 at 11:32
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Avoid web.config inheritance in child web application using inheritInChildApplications
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This doesn't work for me? Any thoughts? I've a wcf service which has parent config set to SIT database connection. I have another folder in the same service which says "QA" and it contains same WCF service files as in SIT includin...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...ion. And the there is nothing you can do except adding explicit wait which doesn't seem very nice. I rather think this is a design flaw in WebDriver
– munch
Nov 12 '12 at 15:45
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Ruby class instance variable vs. class variable
...e variables belong to exactly one class; its subclasses are separate.
Why does this behavior exist? Well, everything in Ruby is an object—even classes. That means that each class has an object of the class Class (or rather, a subclass of Class) corresponding to it. (When you say class Foo, you'r...
Share data between AngularJS controllers
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Just a heads up, the listener function doesn't need the newValue !== oldValue check because Angular doesn't execute the function if the oldValue and newValue are the same. The only exception to this is if you care about the initial value. See: docs.angularjs.org/a...
Why is Scala's immutable Set not covariant in its type?
... as functions" - could this be expanded upon? For example, what advantages does "a set as a function" give me that a "set as a collection" not? Is it worth losing the use of that covariant type?
– oxbow_lakes
Mar 24 '09 at 22:00
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