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Use of “instanceof” in Java [duplicate]
... of this operator indicates design flaws. The abstraction that needs to be cast to the concrete type doesn't provide enough information. It's either just some bad abstraction or abstraction that is used in a wrong domain. You can check detailed explanation with an example here: medium.com/@aerokhin/...
Number of occurrences of a character in a string [duplicate]
...Regex.Matches(test, @"([\w\d]+)=([\w\d]+)[&$]*")
.Cast<Match>()
.ToDictionary(m => m.Groups[1].Value, m => m.Groups[2].Value);
var count = keyValues.Count - 1;
shar...
Filtering DataGridView without changing datasource
...at you are using a DataTable. If you are using something else, check your casting. "as DataTable" in my example.
– Brad Bruce
Jan 25 '18 at 1:22
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How to use GROUP BY to concatenate strings in MySQL?
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SELECT id, GROUP_CONCAT(CAST(name as CHAR)) FROM table GROUP BY id
Will give you a comma-delimited string
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How to get IntPtr from byte[] in C#
... rather slow. Faster is to copy the bytes in a for loop. Even faster is to cast the byte array to a ulong array, copy as much ulong as fits in the byte array, then copy the possible remaining 7 bytes (the trail that is not 8 bytes aligned). Fastest is to pin the byte array in a fixed statement as pr...
Set object property using reflection
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The part where you get the property type and then cast it was really useful for me. It works like a charm. Thank you
– Marc
Sep 24 '15 at 14:25
add a ...
In Typescript, How to check if a string is Numeric
...isNumeric(val: any): val is number | string {
// parseFloat NaNs numeric-cast false positives (null|true|false|"")
// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
// subtraction forces infinities to NaN
// adding 1 corrects loss of precision from parseFloa...
Disable a Button
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It's not required for it to work. You can type cast the button in the IBAction and change the enabled status or if you have it set up as an IBOutlet you can do it using the .notation on the outlet. Both ways work.
– Krivvenz
Mar 7 '1...
Converting String to “Character” array in Java
...look at codePoints())
map each 'character' value to Character (you need to cast to actually say that its really a char, and then Java will box it automatically to Character)
get the resulting array by calling toArray()
shar...
Accessing @attribute from SimpleXML
...LElement object so print_rand var_dump will give you weird things. You can cast it as a string (or whatever you like) to get around this.
– jxmallett
Apr 16 '14 at 0:39
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