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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
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Counterintuitively, the fastest version, on Hotspot 8, is:
MyClass[] arr = myList.toArray(new MyClass[0]);
I have run a micro benchmark using jmh the results and code are below, showing that the version with an empty array consistent...
Align two inline-blocks left and right on same line
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Edit: 3 years has passed since I answered this question and I guess a more modern solution is needed, although the current one does the thing :)
1.Flexbox
It's by far the shortest and most flexible. Apply display: flex; to th...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
I am trying to setup my machine with pecl_http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environ...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...must be updated accordingly. Each element in A implies many elements in B, it's a one-to-many relationship (A contains nations, B should contain cities located in the given nation).
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What is the difference between BIT and TINYINT in MySQL?
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A TINYINT is an 8-bit integer value, a BIT field can store between 1 bit, BIT(1), and 64 bits, BIT(64). For a boolean values, BIT(1) is pretty common.
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How can I expand and collapse a using javascript?
I have created a list on my site. This list is created by a foreach loop that builds with information from my database. Each item is a container with different sections, so this is not a list like 1, 2, 3... etc. I am listing repeating sections with information. In each section, there is a subse...
How to provide different Android app icons for different gradle buildTypes?
... debug build type. Is there any way to this just through the build type, without getting into product flavors? build.gradle file is below.
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What is the best way to clone/deep copy a .NET generic Dictionary?
...lone());
}
return ret;
}
That relies on TValue.Clone() being a suitably deep clone as well, of course.
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How to add new elements to an array?
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A better solution would be to use an ArrayList which can grow as you need it. The method ArrayList.toArray( T[] a ) gives you back your array if you need it in this form.
List<String> where = new ArrayList<String>();
where.add( ContactsContract.Contacts.HAS_PHONE_NUMBER+"=1" );
where.a...
Can we define implicit conversions of enums in c#?
Is it possible to define an implicit conversion of enums in c#?
12 Answers
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