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Best way to convert list to comma separated string in java [duplicate]
I have Set<String> result & would like to convert it to comma separated string. My approach would be as shown below, but looking for other opinion as well.
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C# binary literals
... @ColeJohnson: Many developers prefer that. I'm not as good at converting hex in my head as some developers are, and sometimes it's best to cater to the lowest common denominator.
– StriplingWarrior
Jun 22 '12 at 2:50
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What's the difference between a Python module and a Python package?
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@Jacquot sure, see The import system in the reference documentation: It’s important to keep in mind that all packages are modules.
– Martijn Pieters♦
Apr 23 '18 at 21:42
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Convert a negative number to a positive one in JavaScript
Is there a math function in JavaScript that converts numbers to positive value?
16 Answers
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How do I get an apk file from an Android device?
...e from an android device? Or how do I transfer the apk file from device to system?
24 Answers
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How can I cast int to enum?
...urEnum is dynamic and will only be known at runtime, and what I want is to convert to Enum?
– Shimmy Weitzhandler
Feb 19 '12 at 9:56
235
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Search All Fields In All Tables For A Specific Value (Oracle)
... FROM all_tab_columns
WHERE owner <> 'SYS' and data_type LIKE '%CHAR%') LOOP
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM ' || t.owner || '.' || t.table_name ||
' WHERE '||t.column_name||' = :1'
INTO match_count
USING '...
Dynamic array in C#
...mic Array Example:
Console.WriteLine("Define Array Size? ");
int number = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter numbers:\n");
int[] arr = new int[number];
for (int i = 0; i < number; i++)
{
arr[i] = Convert.ToInt32(Console.ReadLine());
}
for (int i = 0; i < arr.L...
Why does Math.Floor(Double) return a value of type Double?
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Convert.ToInt32(Math.Floor(Convert.ToDouble(value)))
This will give you the exact value what you want like if you take 4.6 it returns 4 as output.
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What is the worst real-world macros/pre-processor abuse you've ever come across?
...non-C++ programmer: Is the main problem here that a threadsafe function is converted into a non-threadsafe one? Or that InterlockedIncrement expects a pointer, so now you'll increase the pointer instead of what it's pointing at? Or both?
– Tim Pietzcker
Sep 20 ...