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Android buildscript repositories: jcenter VS mavencentral
...largest repo in the world for Java and Android OSS libraries, packages and components.
All the content in JCenter is served over a CDN, with a secure HTTPS connection. Back in the time of the migration (Android Studio 0.8) The central maven 2 repository was HTTP only and HTTPS wasn't supported. Refe...
Eloquent Collection: Counting and Detect Empty
This may be a trivial question but I am wondering if Laravel recommends a certain way to check whether an Eloquent collection returned from $result = Model::where(...)->get() is empty, as well as counting the number of elements.
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WPF: How to display an image at its original size?
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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...ynamic libraries get loaded. For source, google it and find: stackoverflow.com/questions/10000335/… :-)
– Ciro Santilli 郝海东冠状病六四事件法轮功
Nov 13 '15 at 9:52
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Validate uniqueness of multiple columns
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In Rails 4, this becomes: validates :user_id, uniqueness: {scope: :friend_id}
– Marina Martin
Jan 26 '14 at 18:36
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Java unchecked: unchecked generic array creation for varargs parameter
...eation of an array at the calling site. So
List<List<String>> combinations =
Utils.createCombinations(cocNumbers, vatNumbers, ibans);
is actually
List<List<String>> combinations =
Utils.createCombinations(new List<String>[]{cocNumbers, vatNumbers, ibans});
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How to resize the AVD emulator (in Eclipse)?
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According to developer.android.com/studio/run/emulator-commandline -scale option is deprecated
– ViliusK
Sep 19 '18 at 11:27
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How does Activity.finish() work in Android?
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Does it exits immediately or completes
the function from which it was called
?
The method that called finish() will run to completion. The finish() operation will not even begin until you return control to Android.
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How to change the decimal separator of DecimalFormat from comma to dot/point?
...looks like, e.g. String formatString = "#,###,###,##0.00"; see docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html for syntax
– Vulpo
Mar 31 '16 at 13:55
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