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Difference between >>> and >>
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421
>> is arithmetic shift right, >>> is logical shift right.
In an arithmetic shift...
Is there a Subversion command to reset the working copy?
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180
You can recursively revert like this:
svn revert --recursive .
There is no way (without writ...
How to overcome TypeError: unhashable type: 'list'
...ue = [x.strip() for x in line]
key = line[0].strip()
value = line[1].strip()
# Now we check if the dictionary contains the key; if so, append the new value,
# and if not, make a new list that contains the current value
# (For future reference, this is a great place for a default...
How to determine the first and last iteration in a foreach loop?
...s $item) {
if ($i == 0) {
// first
} else if ($i == $len - 1) {
// last
}
// …
$i++;
}
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How do I remove blank elements from an array?
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511
There are many ways to do this, one is reject
noEmptyCities = cities.reject { |c| c.empty? }
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Cast Object to Generic Type for returning
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212
You have to use a Class instance because of the generic type erasure during compilation.
publi...
Overload constructor for Scala's Case Classes?
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190
Overloading constructors isn't special for case classes:
case class Foo(bar: Int, baz: Int) {...
Java code To convert byte to Hexadecimal
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How can I force a hard reload in Chrome for Android
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How to print struct variables in console?
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Fruits []string `json:"fruits"`
}
res2D := &Response2{
Page: 1,
Fruits: []string{"apple", "peach", "pear"}}
res2B, _ := json.Marshal(res2D)
fmt.Println(string(res2B))
That would print:
{"page":1,"fruits":["apple","peach","pear"]}
If you don't have any instance, then you need...