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Converting Go struct to JSON
I am trying to convert a Go struct to JSON using the json package but all I get is {} . I am certain it is something totally obvious but I don't see it.
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Is there any differences in invoking variables with syntax ${var} and $(var) ? For instance, in the way the variable will be expanded or anything?
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Create array of all integers between two numbers, inclusive, in Javascript/jQuery [duplicate]
Say I have the following checkbox:
15 Answers
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Annotating text on individual facet in ggplot2
...you'd do something like this:
ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text",
cyl = factor(8,levels = c("4","6","8")))
p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable completely, but will probably throw some warnin...
How to convert a char array back to a string?
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No, that solution is absolutely correct and very minimal.
Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars...
Ternary Operator Similar To ?:
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We can combine How to define a ternary operator in Scala which preserves leading tokens? with the answer to Is Option wrapping a value a good pattern? to get
scala> "Hi".getClass.getSimpleName |> {x => x.endsWith("$") ? x.i...
pass **kwargs argument to another function with **kwargs
...example you provide 3 arguments: filename, mode and a dictionary (kwargs). But Python expects: 2 formal arguments plus keyword arguments.
By prefixing the dictionary by '**' you unpack the dictionary kwargs to keywords arguments.
A dictionary (type dict) is a single variable containing key-value p...
Is there a TRY CATCH command in Bash
I'm writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way.
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find filenames NOT ending in specific extensions on Unix?
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T Zengerink
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answered Aug 27 '09 at 16:09
HardyHardy
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Best introduction to C++ template metaprogramming? [closed]
... technique that allows the execution of programs at compile-time. A light bulb went off in my head as soon as I read this canonical metaprogramming example:
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