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How does “do something OR DIE()” work in PHP?

...then the entire statement must be true therefore the second part is never em>xm>ecuted. For em>xm>ample: $m>xm> = 5; true or $m>xm>++; echo $m>xm>; // 5 false or $m>xm>++; echo $m>xm>; // 6 Therefore, if your query is unsuccessful, it will evaluate the die() statement and end the script. ...
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How does having a dynamic variable affect performance?

...namic used as a parameter or rather those lines with dynamic behavior/contem>xm>t(?) Here's the deal. For every em>xm>pression in your program that is of dynamic type, the compiler emits code that generates a single "dynamic call site object" that represents the operation. So, for em>xm>ample, if you have: ...
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./configure : /bin/sh^M : bad interpreter [duplicate]

... To fim>xm>, open your script with vi or vim and enter in vi command mode (key Esc), then type this: :set fileformat=unim>xm> Finally save it :m>xm>! or :wq! share...
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers

...sfigueira/archive/2012/07/02/cors-support-in-asp-net-web-api-rc-version.aspm>xm>". It is working successfully, and i post data from client side to server successfully. ...
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C++ equivalent of Java's toString?

...t; ")"; } This way you can output instances of your class on streams: A m>xm> = ...; std::cout << m>xm> << std::endl; In case your operator<< wants to print out internals of class A and really needs access to its private and protected members you could also declare it as a friend func...
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Window vs Page vs UserControl for WPF navigation?

...a page inside your Window. It is mostly used for web-based systems like an m>Xm>BAP, where you have a single browser window and different pages can be hosted in that window. It can also be used in Navigation Applications like sellmeadog said. A UserControl is a reusable user-created control that you ca...
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Overlaying histograms with ggplot2 in R

...stogram(data = highf0, fill = "green", alpha = 0.2) + Here's a concrete em>xm>ample with some output: dat <- data.frame(m>xm>m>xm> = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100)) ggplot(dat,aes(m>xm>=m>xm>m>xm>)) + geom_histogram(data=subset(dat,yy == 'a'),fill = "red",...
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Coroutine vs Continuation vs Generator

...rning, but when called will return (yield) a value and then suspend their em>xm>ecution. When they're called again, they will start up from where they last suspended em>xm>ecution and do their thing again. A generator is essentially a cut down (asymmetric) coroutine. The difference between a coroutine and ...
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How do I install pip on macOS or OS m>Xm>?

... If you are behind a prom>xm>y, make sure http_prom>xm>y and https_prom>xm>y are set correctly, then use the '-E' option with sudo: sudo -E easy_install pip – Neil Schaper Aug 4 '14 at 20:10 ...
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How do I find the location of Python module sources?

...Python module is installed? Is the method different on Windows than on Linum>xm>? 18 Answers ...