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Removing items from a list [duplicate]
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This might throw an UnsupportedOperationException if you have your list formed from Arrays.asList(arr) because Arrays.asList() gives you a fixed list. In that case, do an List<E> myList = new ArrayList<>(Arrays.asList(arr)) and then use the listIterat...
Reverting part of a commit with git
...tandard, so when I commit back to CVS multiple git commits are rolled into one. In this case I would love to single out the original git commit, but that is impossible.
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Use of exit() function
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The mentioned predefined macros are defined in compilation time, aren't they?
– carloswm85
Aug 10 '18 at 17:12
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Laravel Eloquent groupBy() AND also return count of each group
...onio,
I've just added the lists command at the end so it will only return one array with key and count:
Laravel 4
$user_info = DB::table('usermetas')
->select('browser', DB::raw('count(*) as total'))
->groupBy('browser')
->lists('total','browser...
Using a custom typeface in Android
...built-in typefaces through XML.
Is there a way to do it from code in
one place, to say that the whole
application and all the components
should use the custom typeface instead
of the default one?
Not that I am aware of.
There are a variety of options for these nowadays:
Font resourc...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
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To address some of the scepticism expressed by others here I suggest anyone who wants to prove to themselves or other use the following method:
Create a JMH project
Write a small snippet of vectorizable math.
Run their benchmark flipping between -XX:-UseSuperWord and -XX:+UseSuperWord(default)
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How to measure time taken by a function to execute
...e potential to provide more accurate timings as it appears to be the bare-bones version of console.time.
<rant> Also, DON'T EVER use Date for anything because it's affected by changes in "system time". Which means we will get invalid results —like "negative timing"— when the user doesn...
java : convert float to String and String to float
...convert the string to float and compare as two floats. This is because for one float number there are multiple string representations, which are different when compared as strings (e.g. "25" != "25.0" != "25.00" etc.)
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Disable Interpolation when Scaling a
...work on all major HTML5 platforms yet (Chrome, in particular).
Of course, one could manually scale up images using nearest-neighbor interpolation onto high-resolution canvas surfaces in javascript, or even pre-scale images server-side, but in my case this will be forbiddingly costly so it is not a ...
Visual Studio 2010 IntelliSense doesn't select a default value - it just marks it
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plus one for finding an alternative way for those who may have changed their shortcuts.
– Daniel Casserly
Jul 9 '15 at 9:04
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