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How to make HTML input tag only accept numerical values?
...p://jsfiddle.net/VmtF5/
Update 2018-03-12: Browser support is much better now it's supported by the following:
Chrome 6+
Firefox 29+
Opera 10.1+
Safari 5+
Edge
(Internet Explorer 10+)
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im...
Can I have onScrollListener for a ScrollView?
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Every instance of View calls getViewTreeObserver(). Now when holding an instance of ViewTreeObserver, you can add an OnScrollChangedListener() to it using the method addOnScrollChangedListener().
You can see more information about this class here.
It lets you be aware of eve...
How do I check in SQLite whether a table exists?
... query a table that possibly doesn't exist? This is the problem I'm facing now, and the accepted answer works best in this general problem statement. This is a good quick alternative.
– Dagrooms
Jun 16 '15 at 18:15
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How to allow to accept only image files?
...turn;
}
// here you can do whatever you want with your image. Now you are sure that it is an image
}
}
Using context in a fragment
...(Activity activity) method was deprecated in API level 23.
Solution
Now to get context in Fragment we can use onAttach (Context context)
onAttach (Context context)
Called when a fragment is first attached to its context. onCreate(Bundle) will be called after this.
Documentation ...
Display an array in a readable/hierarchical format
...an pass true as the second parameter to print_r to get the data as string. Now you can return '<pre>'.print_r(User::all(), true); from your routes file.
– DutGRIFF
Nov 5 '14 at 19:43
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Best way to handle list.index(might-not-exist) in python?
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I know it can only be thrown from that method but is it guaranteed to only be thrown for that reason? Not that I can think of another reason index would fail..but then aren't exceptions for exactly those things you may not think...
Can you make valid Makefiles without tab characters?
... nothing you can do about it if you are going to use make.
Edit: GNU Make now supports a custom recipe prefix. See this answer.
You are not the first one to dislike this aspect of make. To quote Unix Haters' Handbook:
The problem with Dennis’s Makefile is that when he added the comment line...
SQL : BETWEEN vs =
... of the answer, the comments and the fact that my code obviously has a bug now =)
– xmashallax
Sep 19 '16 at 11:48
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git undo all uncommitted or unsaved changes
... git reset --hard HEAD after viewing this post . I responds with head is now at 18c3773... but when I look at my local source all the files are still there. What am I missing?
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