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JavaScript function in href vs. onclick
...ut wasn't the question asking about the difference between putting the JS call inline in href versus inline in onclick? Assuming you were going to put it inline for some reason, which should you use? (In practice I would do what you've suggested, but you seem to have skipped over the difference betw...
Fatal error: use of unimplemented initializer 'init(coder:)' for class
... is required because instantiating a UIViewController from a UIStoryboard calls it.
To see how we initialize a UIViewController from a UIStoryboard, please take a look here
Why is this not a problem with Objective-C?
Because Objective-C automatically inherits all the required UIViewController initia...
What does the 'static' keyword do in a class?
...llion instances of the class or you don't create any. It will be shared by all instances.
Since static methods also do not belong to a specific instance, they can't refer to instance members. In the example given, main does not know which instance of the Hello class (and therefore which instance of...
Convert data.frame columns from factors to characters
I have a data frame. Let's call him bob :
18 Answers
18
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What permission do I need to access Internet from an Android application?
... internet for my apk. No permission added to manifest, but if i try to install apk, installation inform me, that apk need FULL INTERNET ACCESS. How to solve this problem ? no permissions added to manifest. My apk not required full internet access - i want disable this permision.
...
Differences between Emacs and Vim
...and weeks till you will be happy with it and then you will learn new stuff all the time. You will be annoyed when you don't have access to it and constantly change your config. You won't be able to use other peoples emacs versions easily and it won't just be installed. It uses Lisp, which is great. ...
How to handle screen orientation change when progress dialog and background thread active?
...it pops up a progress dialog. The dialog is dismissed on the handler. This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either crashes, or deadlocks, or gets into a weird stage where the app does not work at...
When to make a type non-movable in C++11?
...
Herb's answer (before it was edited) actually gave a good example of a type which shouldn't be movable: std::mutex.
The OS's native mutex type (e.g. pthread_mutex_t on POSIX platforms) might not be "location invariant" meaning the object's address is part of its va...
Git Clone: Just the files, please?
...hive.
See backing up project which uses git: it will include in an archive all files (including submodules if you are using the git-archive-all script)
You can then use that archive anywhere, giving you back only files, no .git directory.
git archive --remote=<repository URL> | tar -t
If y...
Query to list number of records in each table in a database
... i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.NAME NOT LIKE 'dt%' AND
i.OBJECT_ID > 255 AND
i.index_id <= 1
GROUP BY
t.NAME, i.object_id, i.index_id, i.name, p.[Rows]
ORDER BY
o...