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Determine installed PowerShell version

How can I determine what version of PowerShell is installed on a computer, and indeed if it is installed at all? 19 Answers...
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Vertically align text to top within a UILabel

...y labels orange so you can see clearly what's happening. Here's the quick and easy way to do this: [myLabel sizeToFit]; If you have a label with longer text that will make more than one line, set numberOfLines to 0 (zero here means an unlimited number of lines). myLabel.numberOfLine...
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Is there an “exists” function for jQuery?

... In JavaScript, everything is 'truthy' or 'falsy', and for numbers 0 means false, everything else true. So you could write: if ($(selector).length) You don't need that >0 part. share | ...
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Increase distance between text and title on the y-axis

...= argument of element_text() to change the distance between the axis title and the numbers. Set the values of the margin on top, right, bottom, and left side of the element. ggplot(mpg, aes(cty, hwy)) + geom_point()+ theme(axis.title.y = element_text(margin = margin(t = 0, r = 20, b = 0, l = 0)))...
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Why does Go have a “goto” statement

...nt. I've always been taught that 'goto' statements are a thing of the past and evil for it occludes the actual flow of a program, and that functions or methods are always a better way of controlling flow. ...
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Prevent Caching in ASP.NET MVC for specific actions using an attribute

...r class or action didn't have NoCache when it was rendered in your browser and you want to check it's working, remember that after compiling the changes you need to do a "hard refresh" (Ctrl+F5) in your browser. Until you do so, your browser will keep the old cached version, and won't refresh it wit...
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Integrating the ZXing library directly into my Android application

I'm writing this in mere desperation :) I've been assigned to make a standalone barcode scanner (as a proof of concept) to an Android 1.6 phone. ...
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Identifying the dependency relationship for python packages installed with pip

...cies for packages installed by conda: e.g. in a conda env where matplotlib and numpy were installed using pip, but scipy was installed using conda, scipy shows up in the pipdeptree as having no depencies and no dependents (also pip show scipy shows no requirements). – djvg ...
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Regex to replace everything except numbers and a decimal point

... is the code that I'm currently using to replace everything except numbers and a decimal point. Issue is, I can't figure out a regex that will identify everything else ...
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Javascript add leading zeroes to date

...ers of the string. So no matter what, we can add "0" to the day or month, and just ask for the last two since those are always the two we want. So if the MyDate.getMonth() returns 9, it will be: ("0" + "9") // Giving us "09" so adding .slice(-2) on that gives us the last two characters which is...