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When should TaskCompletionSource be used?
AFAIK, all it knows is that at some point, its SetResult or SetException method is being called to complete the Task<T> exposed through its Task property.
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AngularJS ng-if with multiple conditions
... If I have 20 input fields and I have to enable submit button only if all fields are filled. In this case, I have to include so many conditions. This is little bit confusing. Is there any other feasible solution?
– Mr_Perfect
Dec 2 '16 at 5:14
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Difference between namespace in C# and package in Java
...n java you have to import a class, not a package. It IS possible to import all classes in a package with an import package.* but that too imports the classes, not the package.
– Imus
May 23 '18 at 7:54
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How to use FormData for AJAX file upload?
This is my HTML which I'm generating dynamically using drag and drop functionality.
9 Answers
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How to duplicate a git repository? (without forking)
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@Thomas I just did this and yes, it preserved all of my history in the copy. Note that after you push and cd into the new repo, there's still nothing there because you've pushed to the remote, so you need to do a pull
– PfunnyGuy
Oc...
How to force maven update?
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mvn clean install -U
-U means force update of snapshot dependencies. Release dependencies can't be updated this way.
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Accessing inactive union member and undefined behavior?
...representation in the new type as described in 6.2.6 (a process sometimes called ‘‘type
punning’’). This might be a trap representation.
The situation with C++:
c++11
9.5 Unions [class.union]
In a union, at most one of the non-static data members can be active at any time, ...
Why doesn't JavaScript support multithreading?
...because this would cause massive concurrency issues in existing web pages. All Chrome does is separate multiple components (different tabs, plug-ins, etcetera) into separate processes, but I can’t imagine a single page having more than one JavaScript thread.
You can however use, as was suggested,...
Version of SQLite used in Android?
...rt it.
Note: if you want your app to use the same version of SQLite across all Android versions, consider using this 3rd party SQLite support library.
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How to delete .orig files after merge from git repository?
... It's a pain that git clean -df doesn't do it. Why should we have to manually clean up garbage that it leaves behind?
– Sridhar Sarnobat
Apr 13 '18 at 0:01
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