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Sorting HashMap by values [duplicate]
..., I ended up with a reversed loop for over .entrySet().toArray(), may be a cast could solve it, I need more time to test :)
– Aquarius Power
Dec 28 '15 at 15:41
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Can I load a .NET assembly at runtime and instantiate a type knowing only the name?
...class implements a interface, so once I instantiate the class, I will then cast it to the interface.
13 Answers
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How to get the number of Characters in a String?
...en adds in the comments:
Actually you can do len() over runes by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automati...
How do I query for all dates greater than a certain date in SQL Server?
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We can use like below as well
SELECT *
FROM dbo.March2010 A
WHERE CAST(A.Date AS Date) >= '2017-03-22';
SELECT *
FROM dbo.March2010 A
WHERE CAST(A.Date AS Datetime) >= '2017-03-22 06:49:53.840';
sha...
Java - Method name collision in interface implementation
...Something2 ) are expected ? I cannot even expect client code to be able to cast my instance to the appropriate interface , so am I not loosing something by this restriction ? Also note that in this way , when writing classes that actually implement the respective interfaces , we loose the benefit of...
How to concatenate text from multiple rows into a single text string in SQL server?
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I had to cast it to NVarchar(max) to get it work.. ``` SELECT STRING_AGG(CAST(EmpName as NVARCHAR(MAX)), ',') FROM EmpTable as t ```
– Varun
17 hours ago
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getApplication() vs. getApplicationContext()
...istered in the Manifest, you should never call getApplicationContext() and cast it to your application, because it may not be the application instance (which you obviously experienced with the test framework).
Why does getApplicationContext() exist in the first place ?
getApplication() is only ava...
Is it safe to use -1 to set all bits to true?
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@litb: casting -1 is certainly a nice way to get maximal unsigned values, but it's not really descriptive; that's the reason why the _MAX constants exist (SIZE_MAX was added in C99); granted, the C++ version numeric_limits<size_t...
Why can I pass 1 as a short, but not the int variable i?
...soft.com/en-us/library/ybs77ex4(v=vs.71).aspx
As this page says, implicit casts from a bigger data type to short are only allowed for literals. The compiler can tell when a literal is out of range, but not otherwise, so it needs reassurance that you've avoided an out-of-range error in your program ...
What is the difference between Integer and int in Java?
...ence to an object of (class) type Integer, or to null.
Java automatically casts between the two; from Integer to int whenever the Integer object occurs as an argument to an int operator or is assigned to an int variable, or an int value is assigned to an Integer variable. This casting is called box...