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namedtuple and default values for optional keyword arguments
I'm trying to convert a longish hollow "data" class into a named tuple. My class currently looks like this:
21 Answers
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c# open file with default application and parameters
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I converted the VB code in the blog post linked by xsl to C# and modified it a bit:
public static bool TryGetRegisteredApplication(
string extension, out string registeredApp)
{
string extensionId = Ge...
How to find gaps in sequential numbering in mysql?
... far faster than the accepted answer. The only thing that I'd add is that CONVERT( YourCol, UNSIGNED ) will give better results if YourCol isn't already an integer.
– Barton Chittenden
Feb 10 '17 at 23:36
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Why does parseInt yield NaN with Array#map?
...seInt: it doesn't parse the string and returns NaN if the number cannot be converted. For instance:
console.log(parseInt("19asdf"));
console.log(Number("19asf"));
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C# Pass Lambda Expression as Method Parameter
...tually like is to be able to pass in different implementations of the IJob interface, but that won't work with Dapper's Query<> because it requires the actual generic impl class at run time. This is still pretty close to what I was hoping for.
– Adam Levitt
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What is the difference between Hibernate and Spring Data JPA
...like findByNameOrderByAge(String name); that will be parsed in runtime and converted into appropriate JPA queries.
Its placement atop of JPA makes its use tempting for:
Rookie developers who don't know SQL or know it badly. This is a
recipe for disaster but they can get away with it if the projec...
(413) Request Entity Too Large | uploadReadAheadSize
... binding name in <binding> equal to bindingConfiguration in <endpoint>
– smoothumut
Jul 21 '15 at 5:58
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How does the following LINQ statement work?
...If you want the output to be 2,4,6, use .ToList():
var list = new List<int>{1,2,4,5,6};
var even = list.Where(m => m%2 == 0).ToList();
list.Add(8);
foreach (var i in even)
{
Console.WriteLine(i);
}
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Preserving order with LINQ
...ts, but the elements which are returned will be in the same order.
If you convert to a different data structure, e.g. with ToLookup or ToDictionary, I don't believe order is preserved at that point - but that's somewhat different anyway. (The order of values mapping to the same key is preserved for...
Is there a performance gain in using single quotes vs double quotes in ruby?
... The interp version is both interpolating and concatenating plus converting a number to a string twice. Interpolation wins if you make the results the same. See gist.github.com/810463. The real takeaway is to worry more about to_s than single or double quotes.
– Brian...