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Can we instantiate an abstract class?
...that here: -
Whenever a new class instance is created, memory space is allocated
for it with room for all the instance variables declared in the class
type and all the instance variables declared in each superclass of the
class type, including all the instance variables that may be hidden....
CASCADE DELETE just once
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If you really want DELETE FROM some_table CASCADE; which means "remove all rows from table some_table", you can use TRUNCATE instead of DELETE and CASCADE is always supported. However, if you want to use selective delete with a where ...
Change / Add syntax highlighting for a language in Sublime 2/3
...ince Sublime Text 3 is using the .sublime-package zip file format to store all the default settings it's not very straightforward to edit the individual files.
Unfortunately, not all themes contain all scopes, so you'll need to play around with different ones to find one that looks good, and gives ...
Transactions in REST?
...nsider a RESTful shopping basket scenario. The shopping basket is conceptually your transaction wrapper. In the same way that you can add multiple items to a shopping basket and then submit that basket to process the order, you can add Bob's account entry to the transaction wrapper and then Bill'...
Find all storage devices attached to a Linux machine [closed]
I have a need to find all of the writable storage devices attached to a given machine, whether or not they are mounted.
7...
Awaiting multiple Tasks with different results
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After you use WhenAll, you can pull the results out individually with await:
var catTask = FeedCat();
var houseTask = SellHouse();
var carTask = BuyCar();
await Task.WhenAll(catTask, houseTask, carTask);
var cat = await catTask;
var house =...
How to quit android application programmatically
I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely?
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Remove tracking branches no longer on remote
Is there a simple way to delete all tracking branches whose remote equivalent no longer exists?
34 Answers
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Build fat static library (device + simulator) using Xcode and SDK 4+
It appears that we can - theoretically - build a single static library that includes both simulator and iPhone and iPad.
10...
Perforce for Git users? [closed]
...ou prefer Git you can use Git with Perforce quite well. We provide a tool called Git Fusion that generates Git repositories that are kept in sync with the Perforce server. Git and Perforce people can live in harmony working on the same code, mostly unaffected by their co-workers choice of version co...