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When should TaskCompletionSource be used?
... // the task just completed
tcs.SetResult(args);
}
// start the work
obj.Do();
return tcs.Task;
}
So it's especially useful when used together with the C#5 async keyword.
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Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...n (registered in the manifest) it will only be called once per application start anyway. For performance it would be more relevant (if at all) to not do the parsing each time the app starts (instead only on it's first start) and this is what false does. So it is more a question of whether you need a...
Preloading CSS Images
...ing for the answer of "How can I preload an image before the page's render starts?" and the best solution for this problem is using <link> tag because <link> tag is capable to block the further rendering of the page. See preemptive
These two value options of rel (relationship between th...
What text editor is available in Heroku bash shell? [closed]
...side your slug. i.e. any changes you made would be lost when your app is restarted (every 24 hours).
– Naaman Newbold
Sep 3 '14 at 2:26
4
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How do I abort/cancel TPL Tasks?
In a thread, I create some System.Threading.Task and start each task.
12 Answers
12
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How do you make a web application in Clojure? [closed]
...be often). Go look at the README at that URL, then download a snapshot and start playing.
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Does MS SQL Server's “between” include the range boundaries?
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Real world example from SQL Server 2008.
Source data:
ID Start
1 2010-04-30 00:00:01.000
2 2010-04-02 00:00:00.000
3 2010-05-01 00:00:00.000
4 2010-07-31 00:00:00.000
Query:
SELECT
*
FROM
tbl
WHERE
Start BETWEEN '2010-04-01 00:00:00' AND '2010-05-01 0...
Regular expressions in C: examples?
...matches[1].rm_so); printf("group1: %s\n", buff); } note that group matches start at 1, group 0 is the entire string. Add error checks for out of bounds, etc.
– BurnsBA
Feb 7 '16 at 7:42
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Detect if the app was launched/opened from a push notification
...d it.
Additionally, you no longer need to handle the situation of a 'cold start' of the app in application:didFinishLaunchingWithOptions... as application:didReceiveRemoteNotification... is called again after launching in iOS 9+ (maybe 8 as well).
So, how can you tell if the user tap started the c...
How to check if activity is in foreground or in visible background?
...before I finish() my activity I need to check that the next activity has started because a system dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box?
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