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What is the formal difference in Scala between braces and parentheses, and when should they be used?
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370
I tried once to write about this, but I gave up in the end, as the rules are somewhat diffuse. B...
How to create an exit message
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answered Sep 17 '08 at 18:50
Chris BunchChris Bunch
78.1k3535 gold badges119119 silver badges123123 bronze badges
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
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edited May 22 '16 at 20:16
skovorodkin
5,51011 gold badge2727 silver badges2525 bronze badges
answer...
How do I parse a string into a number with Dart?
...sert(myInt is int);
print(myInt); // 12345
Note that int.parse() accepts 0x prefixed strings. Otherwise the input is treated as base-10.
You can parse a string into a double with double.parse(). For example:
var myDouble = double.parse('123.45');
assert(myDouble is double);
print(myDouble); // 1...
How to create a temporary directory?
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350
Use mktemp -d. It creates a temporary directory with a random name and makes sure that file does...
Why can I not push_back a unique_ptr into a vector?
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answered Jul 19 '10 at 18:15
James McNellisJames McNellis
319k7070 gold badges865865 silver badges944944 bronze badges
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javascript remove “disabled” attribute from html input
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201
Set the element's disabled property to false:
document.getElementById('my-input-id').disabled ...
Why is String.chars() a stream of ints in Java 8?
...tten with Java 8.
In Java 7 I would have done it like this:
for (int i = 0; i < hello.length(); i++) {
System.out.println(hello.charAt(i));
}
And I think a reasonable method to do it in Java 8 is the following:
hello.chars()
.mapToObj(i -> (char)i)
.forEach(System.out:...
git submodule tracking latest
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Update March 2013
Git 1.8.2 added the possibility to track branches.
"git submodule" started learning a new mode to integrate with the tip of the remote branch (as opposed to integrating with the commit recorded in the superproject's...
Android - Dynamically Add Views into View
...oint = (ViewGroup) findViewById(R.id.insert_point);
insertPoint.addView(v, 0, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT));
You may have to adjust the index where you want to insert the view.
Additionally, set the LayoutParams according to ho...