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How to get number of entries in a Lua table?
...f 3, 5 and 9 are valid results for #t. The only sane way to use it is with arrays of one contiguous part without nil values.
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How to get the first non-null value in Java?
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the efficiency reasons that i mentioned above is that an array allocation will happen each time you invoke the var arg version of the method. this could be wasteful for hand-fulls of items, which i suspect will be common usage.
– les2
May 4 '1...
How to get GET (query string) variables in Express.js on Node.js?
...on he was looking for a way to get all the query string parameters like an array. The correct answer is this: app.get('/', function(req, res){ console.log(req.query); });
– Richard Torcato
Jun 16 '16 at 11:07
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Getting attribute using XPath
...re/book/title/@lang', xmlforest(book.title AS title, book.price AS price), ARRAY[ARRAY[]::TEXT[]]) FROM book LIMIT 1;
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Converting int to bytes in Python 3
...d\r\n' % 3
b'3\r\n'
See PEP 0461 -- Adding % formatting to bytes and bytearray.
On earlier versions, you could use str and .encode('ascii') the result:
>>> s = '%d\r\n' % 3
>>> s.encode('ascii')
b'3\r\n'
Note: It is different from what int.to_bytes produces:
>>> n =...
How to list variables declared in script in bash?
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@Caesar No, I only tried non-empty arrays. Your are right in case of empty arrays – they are not printed.
– Socowi
Mar 12 '19 at 7:47
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How to add folder to assembly search path at runtime in .NET?
...ssembly and fails.
//Retrieve the list of referenced assemblies in an array of AssemblyName.
Assembly MyAssembly, objExecutingAssembly;
string strTempAssmbPath = "";
objExecutingAssembly = Assembly.GetExecutingAssembly();
AssemblyName[] arrReferencedAssmbNames = objExecutingAss...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...nagedType.LPStr)] System.String pwzUrl,
[MarshalAs(UnmanagedType.LPArray)] byte[] pBuffer,
System.UInt32 cbSize,
[MarshalAs(UnmanagedType.LPStr)] System.String pwzMimeProposed,
System.UInt32 dwMimeFlags,
out System.UInt32 ppwzMimeOut,
System.UInt32 dwR...
When should I use Arrow functions in ECMAScript 6?
...Script has changed quite a bit since ECMAScript 5.1 gave us the functional Array.forEach, Array.map and all of these functional programming features that have us use functions where for-loops would have been used before. Asynchronous JavaScript has taken off quite a bit. ES6 will also ship a Promise...
How do I wrap text in a UITableViewCell without a custom cell
... return (labelSize.height + 10);
}
Here the string mutArr is a mutable array from which i am getting my data.
EDIT :- Here is the array which I took.
mutArr= [[NSMutableArray alloc] init];
[mutArr addObject:@"HEMAN"];
[mutArr addObject:@"SUPERMAN"];
[mutArr addObject:@"Is SUPERMAN powerful ...