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Determine if Android app is being used for the first time
...
Beware for Android 6.0 (API 23 - Marshmallow) or above auto backup (developer.android.com/guide/topics/data/autobackup.html)is enabled by default. If the users uninstalls and then reinstalls the app the shared preferences will be recovered. So on re...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...available processors. On Windows this approach is supported by Thread Pool API.
Of course having more threads is not per se a problem. As you might have recognized I chose quite a high number of connections/threads. I doubt that you'll see any difference between the three possible implementations ...
How to simulate Android killing my process
...on which does not require adb, Android Studio etc. The only requirement is API 23 or newer.
To simulate app restart by OS, go app settings while your app is running, disable (then you can enable) a permission and return the app from recent apps. When permission is disabled, the OS kills the app but...
Is there any “font smoothing” in Google Chrome?
...t.js. The problem is that Chrome simply requests .woff files from Google's API which render horribly. Surprisingly all other font file types render beautifully. However, there are some CSS tricks that will "smoothen" the rendered font a little bit, you'll find the workaround(s) deeper in this answer...
How To: Best way to draw table in console app (C#)
... columns width is optimal, an it can handle object arrays with this simple API:
static void Main(string[] args)
{
IEnumerable<Tuple<int, string, string>> authors =
new[]
{
Tuple.Create(1, "Isaac", "Asimov"),
Tuple.Create(2, "Robert", "Heinlein"),
Tuple.Create...
iOS UIImagePickerController result image orientation after upload
...(self.CGImage),
CGImageGetBitmapInfo(self.CGImage));
CGContextConcatCTM(ctx, transform);
switch (self.imageOrientation) {
case UIImageOrientationLeft:
case UIImageOrientationLeftMirrored:
case UIImageOrientationRight:
...
How to check whether a script is running under Node.js?
... **CommonJS**, with backwards-compatibility
// for the old `require()` API. If we're not in CommonJS, add `_` to the
// global object.
if (typeof module !== 'undefined' && module.exports) {
module.exports = _;
root._ = _;
isNode = true;
} e...
Timeout on a function call
...
I have a different proposal which is a pure function (with the same API as the threading suggestion) and seems to work fine (based on suggestions on this thread)
def timeout(func, args=(), kwargs={}, timeout_duration=1, default=None):
import signal
class TimeoutError(Exception):
...
Link vs compile vs controller
...ogle Team has to say:
Controller - Create a controller which publishes an API for communicating across directives. A good example is Directive to Directive Communication
Link - Programmatically modify resulting DOM element instances, add event listeners, and set up data binding.
Compile - Programma...
Does pandas iterrows have performance issues?
... the documentation: https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.iterrows.html
"To preserve dtypes while iterating over the rows, it is better to use itertuples() which returns namedtuples of the values and which is generally faster than iterrows."
...