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How does the vim “write with sudo” trick work?
Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo:
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How can I create a correlation matrix in R?
...correlation. So, the number of rows must be the same between your matrix x and matrix y. Ex.:
set.seed(1)
x <- matrix(rnorm(20), nrow=5, ncol=4)
y <- matrix(rnorm(15), nrow=5, ncol=3)
COR <- cor(x,y)
COR
image(x=seq(dim(x)[2]), y=seq(dim(y)[2]), z=COR, xlab="x column", ylab="y column")
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How to identify CAAnimation within the animationDidStop delegate?
...om operations when the animations stopped, but I only wanted one delegate handler for animationDidStop.
10 Answers
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Adding div element to body or document in JavaScript
... but it also removes the current contents in body. How to add div element and keep contents on body?
9 Answers
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How to use UIVisualEffectView to Blur Image?
...tView.frame = imageView.bounds;
[imageView addSubview:visualEffectView];
and Swift:
var visualEffectView = UIVisualEffectView(effect: UIBlurEffect(style: .Light))
visualEffectView.frame = imageView.bounds
imageView.addSubview(visualEffectView)
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Why is Linux called a monolithic kernel?
...d that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable?
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Dealing with float precision in Javascript [duplicate]
... I want to group them by rounding them down to the nearest multiple of x and convert the result to a string.
5 Answers
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Sort a single String in Java
...t the sort order is not optimal if you want to take into account uppercase and accents for example. This algorithm will sort "éDedCBcbAàa" as "ABCDabcdeàé" while, in English (US) locale for example, it would be more desirable to obtain "aAàbBcCdDeé".
– eljenso
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How do I pass data between Activities in Android application?
... ok if i pass session id to signout acitivity on successful login and will it work on any activity page to signout or manually i will have to assign it value on each activity??? using above procedure??
– UMAR-MOBITSOLUTIONS
Jan 19 '10 at 6:57
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C99 stdint.h header and MS Visual Studio
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And to use literal uint64_t values it is useful to #define U64(u) (u##ui64) on Windows and to #define U64(u) (u##ULL) otherwise.
– Niklas
Aug 14 '13 at 11:12
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