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How to find index of list item in Swift?
...B = arr.indexOf("b") // 1
let indexOfD = arr.indexOf("d") // nil
Additionally, finding the first element in an array fulfilling a predicate is supported by another extension of CollectionType:
let arr2 = [1,2,3,4,5,6,7,8,9,10]
let indexOfFirstGreaterThanFive = arr2.indexOf({$0 > 5}) // 5
let i...
How can I change the language (to english) in Oracle SQL Developer?
...glish because there is no russian language support for the program and it falls back to english?
– simon
Oct 17 '11 at 11:13
...
How can I know which radio button is selected via jQuery?
...before needed blah blah ) but for pure performance this works faster especially in older browsers: $("#myform").find("input[type='radio']:checked").val();
– Mark Schultheiss
Aug 3 '15 at 4:45
...
How to set timeout for http.Get() requests in Golang?
...ontext.WithTimeout(context.Background(), time.Second*3)
defer cncl()
req, _ := http.NewRequestWithContext(ctx, http.MethodGet, "https://google.com", nil)
resp, _ := http.DefaultClient.Do(req)
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Grab a segment of an array in Java without creating a new array on heap
...wer by @unique72 is correct. Imma let this edit sit for a bit and then I shall delete this answer.)
I don't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation for the wrapper only – but not...
void in C# generics?
...nctions need to return null, but if it unifies your code, it should be a small price to pay.
This inability to use void as a return type is at least partially responsible for a split between the Func<...> and Action<...> families of generic delegates: had it been possible to return void...
Can an Android NFC phone act as an NFC tag?
... a simple old nfc tag? Is there some application I'm not thinking of? Usually, you'd want to emulate something like a transit card, access key, or credit card which would require a secure element (I think, but not sure).
s...
What is the difference between UTF-8 and ISO-8859-1?
...e points of the Unicode character set, whereas UTF-8 can be used to encode all code points. At physical encoding level, only codepoints 0 - 127 get encoded identically; code points 128 - 255 differ by becoming 2-byte sequence with UTF-8 whereas they are single bytes with Latin-1.
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C# if/then directives for debug vs release
...em only executed if a certain symbol is defined. The compiler would remove all calls to those methods if the symbol is not defined:
[Conditional("DEBUG")]
void PrintLog() {
Console.WriteLine("Debug info");
}
void Test() {
PrintLog();
}
...
How to use icons and symbols from “Font Awesome” on Native Android Application
...entry in strings.xml for each icon. Eg for a heart:
<string name="icon_heart">&#xf004;</string>
Referenced said entry in the view of my xml layout:
<Button
android:id="@+id/like"
style="?android:attr/buttonStyleSmall"
...
android:text="@string/icon_heart" ...