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Improve INSERT-per-second performance of SQLite
...repository:
https://github.com/rdpoor/CreateOrUpdate
which bulk loads an array of ActiveRecords into MySQL, SQLite or PostgreSQL databases. It includes an option to ignore existing records, overwrite them or raise an error. My rudimentary benchmarks show a 10x speed improvement compared to sequent...
Mathematical functions in Swift
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is there a function where I can give it an array of Ints and then Swift would return me a function of power of 2 (or 1, or 3, or whatever) that best matches it? like I give it: [1,2,3] it would return y = x or I would give it [1,4,9] it would return y = x^2 or somethi...
How to enumerate an enum
...hanges from my side: Enum.GetValues(typeof(Suits)).OfType<Suits>().ToArray(). In that case I can iterate array of Suits enum items, not strings.
– Barabas
Jun 24 '19 at 12:57
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what is the basic difference between stack and queue?
...mentation) is hidden from the end user. A stack can be implemented with an array or with a linked list.
– gdyrrahitis
Aug 21 '18 at 20:38
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How to get the index of an element in an IEnumerable?
...= listMyObject.FindIndex(x => x.Id == 15);
If you have enumerator or array use this way
int id = myEnumerator.ToList().FindIndex(x => x.Id == 15);
or
int id = myArray.ToList().FindIndex(x => x.Id == 15);
...
How do I print debug messages in the Google Chrome JavaScript Console?
...nsole.js, and I use for the same purpose. I create a noop console using an array of function names, what is in my opinion a very convenient way to do this, and I took care of Internet Explorer, which has a console.log function, but no console.debug:
// Create a noop console object if the browser d...
Get size of folder or file
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From File.listFiles() javadoc: "The array will be empty if the directory is empty. Returns null if this abstract pathname does not denote a directory, or if an I/O error occurs." So above comment is useful when getting folder size on dynamically changing fold...
How to leave a message for a github.com user
...ed for had merged a PR from another user. In this case, commits will be an array with both the author of the PR and the merger (user who merged the PR).
– styfle
Jul 19 '18 at 19:49
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How to compare Lists in Unit Testing
...T> two, Func<T, T, bool> comparisonFunction)
{
var oneArray = one as T[] ?? one.ToArray();
var twoArray = two as T[] ?? two.ToArray();
if (oneArray.Length != twoArray.Length)
{
Assert.Fail("Collections are not same length");
}
...
Get protocol, domain, and port from URL
...arameters:
function searchParamsToObj(searchParams) {
const paramsMap = Array
.from(url.searchParams)
.reduce((params, [key, val]) => params.set(key, val), new Map());
return Object.fromEntries(paramsMap);
}
searchParamsToObj(url.searchParams);
// -> { startIndex: '1', pageSize: '...