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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
... Basic “Hello World”
- REST API
- JSON Serialization/Deserialization
- Photo Loading
- SQL Database Insert and Get All
Each test is repeted several times, the graphs show the average results.
Hello World
Rest API
Set of tests aimed at measuring the time it takes for the app to send a ...
What does FrameLayout do?
...
You can consider the word frame as regular photo frame. What you do with that frame? you can place photos in that frame by one top to another. Same as in FrameLayout we can place views ( Any layout, or widget like button, text, image so on) top of other as @ojonugwa s...
UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
...work from an UIAertControl - one option is to present the image picker for photo browser - this works fine and the other is to present for camera - this doesn't .where would i build in the delay when using a UIALertController?
– SimonTheDiver
Jan 23 '15 at 12:5...
Replace input type=file by an image
...="file-input">
<img src="https://icon-library.net/images/upload-photo-icon/upload-photo-icon-21.jpg"/>
</label>
<input id="file-input" type="file" />
</div>
Basically the for attribute of the label makes it so that clicking the label is the same as cli...
Modifying a query string without reloading the page
I am creating a photo gallery, and would like to be able to change the query string and title when the photos are browsed.
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Saving and Reading Bitmaps/Images from Internal memory in Android
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I have that photo on device. I can see it through file explorer apps as well as adb shell, but I was not able to get its address programmatically. So I though let me write it using code and then again read it. Reading is my ultimate aim ...
Android: Bitmaps loaded from gallery are rotated in ImageView
...rom the content resolver thingy (e.g. if your app is responding to a share-photo intent).
public static int getOrientation(Context context, Uri photoUri) {
/* it's on the external media. */
Cursor cursor = context.getContentResolver().query(photoUri,
new String[] { MediaStore.Im...
What's the fuss about Haskell? [closed]
...grammer. It's an experiential thing. (To make an analogy, I can show you photos of my 1970 trip to China, but after seeing the photos, you still won't know what it was like to have lived there during that time. Similarly, I can show you a Haskell 'quicksort', but you still won't know what it mean...
How to match all occurrences of a regex
...t; ["54", "1", "3"]
Regex can be a named group as well.
string = 'group_photo.jpg'
regex = /\A(?<name>.*)\.(?<ext>.*)\z/
string.scan(regex).flatten
You can also use gsub, it's just one more way if you want MatchData.
str.gsub(/\d/).map{ Regexp.last_match }
...
What's the UIScrollView contentInset property for?
...the top"
To see a place where this is actually used, look at the build-in Photos app on the iphone. The Navigation bar and status bar are transparent, and the contents of the scroll view are visible underneath. That's because the scroll view's frame extends out that far. But if it wasn't for the co...