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Traverse all the Nodes of a JSON Object Tree with JavaScript
...ypeOf(value) === Object.prototype) {
traverse(value, callback, trail.concat(key))
} else {
callback.call(obj, key, value, trail)
}
})
}
traverse({a: {b: {c: {d: 1}}, e: {f: 2}}}, function (key, value, trail) {
console.log(arguments)
})
...
Concatenate multiple files but include filename as section headers
I would like to concatenate a number of text files into one large file in terminal. I know I can do this using the cat command. However, I would like the filename of each file to precede the "data dump" for that file. Anyone know how to do this?
...
How to concatenate two strings to build a complete path
...ame. Thus
//dir///subdir////file is the same as /dir/subdir/file.
As such concatenating a two strings to build a complete path is a simple as:
full_path="$part1/$part2"
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improve this answe...
Intersection and union of ArrayLists in Java
... I also don't see how addAll() is union for lists; it's just concatenating the second list onto the end of the first. A union operation would avoid adding an element if the first list already contains it.
– dimo414
Oct 26 '16 at 6:23
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DbEntityValidationException - How can I easily tell what caused the error?
...eption message with the new one.
var exceptionMessage = string.Concat(ex.Message, " The validation errors are: ", fullErrorMessage);
// Throw a new DbEntityValidationException with the improved exception message.
throw new DbEntityValidationException(excep...
jquery .html() vs .append()
...
You see? The string concatenation already let to an error here (unescaped quote). see my post :P
– kizzx2
Jun 10 '10 at 14:47
...
JavaScript style for optional callbacks
...tions
( rest
, combs =>
callback (combs .concat (combs .map (c => [ x, ...c ])))
)
console.log (combinations (['A', 'B', 'C']))
// [ []
// , [ 'C' ]
// , [ 'B' ]
// , [ 'B', 'C' ]
// , [ 'A' ]
// , [ 'A', 'C' ]
// , [ 'A', 'B' ]
// , [ 'A', 'B...
Selecting last element in JavaScript array [duplicate]
...
Just use arr.concat().pop()
– 吴毅凡
May 12 at 8:26
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Best Practices: working with long, multiline strings in PHP?
...t from the rest of the text and variables also stand out better if you use concatenation rather than inject them inside double quoted string. So I might do something like this with your original example:
$text = 'Hello ' . $vars->name . ','
. "\r\n\r\n"
. 'The second line starts two ...
T-SQL CASE Clause: How to specify WHEN NULL
... firts+space+last name.
this will work as long as the default setting for concatenation with null strings is set:
SET CONCAT_NULL_YIELDS_NULL ON
this shouldn't be a concern since the OFF mode is going away in future versions of SQl Server
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