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java: ArrayList - how can i check if an index exists?
...also is added in Java 9 to the class List: docs.oracle.com/javase/9/docs/api/java/util/List.html#of--
– Orici
Mar 4 '18 at 19:09
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Set cursor position on contentEditable
...This part of the code is deciding whether to use the standard getSelection api or the legacy document.selection api used by older versions of IE. The later getRangeAt (0) call will return null if there is no selection, which is checked for in the restore function.
– Nico Burns
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How do I load my script into the node.js REPL?
... But then when I run it it fails with # # Fatal error in ../deps/v8/src/api.cc, line 1248 # Check failed: !value_obj->IsJSReceiver() || value_obj->IsTemplateInfo(). # Illegal instruction: 4
– ShadSterling
Feb 11 '18 at 20:16
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How to read from standard input in the console?
...ay. We can also break that flow with a special character. Scanner provides API for advanced usage like splitting using a custom function etc, scanning different types of I/O streams(Stdin, String) etc.
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Best practices/performance: mixing StringBuilder.append with String.concat
...s append method.
Offical document: https://docs.oracle.com/javase/8/docs/api/java/lang/String.html
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Why does “split” on an empty string return a non-empty array?
...roject, you can try the Splitter (documentation) class. It has a very rich API, and makes your code very easy to understand.
Splitter.on(".").split(".a.b.c.") // "", "a", "b", "c", ""
Splitter.on(",").omitEmptyStrings().split("a,,b,,c") // "a", "b", "c"
Splitter.on(CharMatcher.anyOf(",.")).split("a...
Is there a simple way to remove unused dependencies from a maven pom.xml?
... be carefull while using dependency:analyze, even i was using 'ejp api3'depedency but the report shown it was 'unused and declared'
– Akhil S Kamath
Jul 11 '18 at 10:29
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How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
..., you still use addRule(verb, subject) to enable/disable it. However, post-API 17 you can use removeRule(verb) which is just a shortcut for addRule(verb, 0).
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Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...d doing nothing(which can hurt scalability). It really only matters if the API's you are calling have async methods. Like WebClient.DowloadStringAsync().
The point is that you can let your thread be returned to handle new requests untill the web request is finished where it will call you callback w...
Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
...time you want to read/write cloud data, you need to make explicit CloudKit API calls to do so. Nothing happens automatically. CloudKit does not store data on the device, so the data is not available if the device is offline. CloudKit also adds some features not available to Core Data with iCloud-- l...