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How to round up a number in Javascript?
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This solution has bug: Math.ceil(0.0159 * 1000000000) / precision. You will get a fraction 0.015900001. Need to add a range validation for precision.
– Frank
Dec 24 '17 at 1:00
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Key existence check in HashMap
...pplied to the key (the name of the bank account). To add 2 transactions of 100 and 200 to checking_account you can write:
HashMap<String, ArrayList<Integer>> map = new HashMap<>();
map.computeIfAbsent("checking_account", key -> new ArrayList<>())
.add(100)
.add(200)...
What are the advantages of NumPy over regular Python lists?
...nto an array:
x = numpy.fromfile(file=open("data"), dtype=float).reshape((100, 100, 100))
Sum along the second dimension:
s = x.sum(axis=1)
Find which cells are above a threshold:
(x > 0.5).nonzero()
Remove every even-indexed slice along the third dimension:
x[:, :, ::2]
Also, many us...
python max function using 'key' and lambda expression
... to compare those items by their integer value.
>>> lis = ['1', '100', '111', '2']
Here max compares the items using their original values (strings are compared lexicographically so you'd get '2' as output) :
>>> max(lis)
'2'
To compare the items by their integer value use ke...
How do I flush the PRINT buffer in TSQL?
... script. At 500 it switches to buffering 50 lines and at 1k it switches to 100 lines each. This continued at least until 2k, but then I stopped the script. declare @i int set @i = 0 declare @t varchar(100) while 1=1 begin set @i = @i + 1 set @t = 'print ' + convert(varcha...
Make child visible outside an overflow:hidden parent
...low: visible; position: absolute; visibility: visible; clear:both; height: 1000px; top: 100px; left: 10px;"> a</div>
</div>
</div>
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How to style UITextview to like Rounded Rect text field?
...iew *textView = [[UITextView alloc] initWithFrame:CGRectMake(50, 220, 200, 100)];
//To make the border look very close to a UITextField
[textView.layer setBorderColor:[[[UIColor grayColor] colorWithAlphaComponent:0.5] CGColor]];
[textView.layer setBorderWidth:2.0];
//The rounded corner part, where...
Fastest check if row exists in PostgreSQL
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if bunch contains 100 rows it will return me 100 rows, you think thats good?
– Valentin Kuzub
Sep 19 '11 at 13:39
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Get mouse wheel events in jQuery?
...t your updated version doesn`t work if the document fits the view ("width: 100vh; height: 100vh") or got "overflow: hidden;". "window.addEventListener('scroll', callback)" is not the correct answer to "window.addEventListener('mousewheel', callback)".
– Daniel
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JUnit 4 compare Sets
...ered Mar 19 '12 at 16:48
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