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How to get relative path from absolute path
... this feature as well. I agree with DavidK that since there is a built-in API function that provides this, you should use it. Here's a managed wrapper for it:
public static string GetRelativePath(string fromPath, string toPath)
{
int fromAttr = GetPathAttribute(fromPath);
int toAttr = Get...
What happens when a computer program runs?
... itself does this with it's own libraries (e.g. ntdll.dll, kernel32.dll, psapi.dll, etc. -- all have different start addresses by default)
On Windows, virtual memory is obtained from the system via a call to VirtualAlloc, and it is returned to the system via VirtualFree (Okay, technically VirtualAl...
Show hide fragment in android
... It is error prone because you can change your flags at low level api and high level api and if you aren't careful (i.e flags get out of sync) you could be chasing weird bugs. Thats is why its recommended to use the fragment manager to hide and show your fragments.
– n...
How to find the duration of difference between two dates in java?
...total)
We have to use LocalDateTime http://docs.oracle.com/javase/8/docs/api/java/time/LocalDateTime.html to get hour,minute,second differences.
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Find location of a removable SD card
...torage. Any access to them prior to that was through private, unsupported APIs. We now have a quite rich API in the platform that allows applications to make use of SD cards in a supported way, in better ways than they have been able to before: they can make free use of their app-specific storage ...
What's the _ underscore representative of in Swift References?
... the _.
Why is Apple using it?
You can see Apple is using it across the API. Apple's libraries are still written in Objective-C (if not, they share the same function names anyway, which were designed for Objective-C syntax)
Functions like applicationWillResignActive(_ application: UIApplication...
What is “lifting” in Scala?
...rovides unlift to help with construction of JSON serialisers:
import play.api.libs.json._
import play.api.libs.functional.syntax._
case class Location(lat: Double, long: Double)
implicit val locationWrites: Writes[Location] = (
(JsPath \ "lat").write[Double] and
(JsPath \ "long").write[Double...
What is the purpose of mock objects?
... case, it's probably okay because you're checking that it uses the correct API, but what if there are different ways to do it, and waiter might choose one or the other? I thought the point of unit testing was to test the API, and not the implementation. (This is a question I always find myself askin...
What exactly does Perl's “bless” do?
...any ways to get under the hood. Some of them are useful for autogenerating APIs, validation tools, autodocumenting APIs; we can't predict all the use cases. Shooting oneself in the foot is also a possible outcome of such trickery.
– DavidO
Nov 9 '19 at 16:43
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JavaScript/jQuery to download file via POST with JSON data
...s, and I've downloaded PDF's (However they are corrupted).
Using the blob API you will be able to do the following:
$.post(/*...*/,function (result)
{
var blob=new Blob([result]);
var link=document.createElement('a');
link.href=window.URL.createObjectURL(blob);
link.download="myFil...