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Why doesn't Java support unsigned ints?
...ut simplicity:
Gosling: For me as a language designer, which I don't really count myself as these days, what "simple" really ended up meaning was could I expect J. Random Developer to hold the spec in his head. That definition says that, for instance, Java isn't -- and in fact a lot of these lan...
How to get a vertical geom_vline to an x-axis of class date?
...th ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat strangely to the right.
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How to specify the order of CSS classes?
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I actually noticed in Bootstrap that my custom "back-to-top" class was ignored inside a <p> tag. But then when I reversed them and put my custom class first, both my class and Bootstrap's class' features were accepted: <p ...
How to delete a row by reference in data.table?
...nce yet.
data.table can add and delete columns by reference since it over-allocates the vector of column pointers, as you know. The plan is to do something similar for rows and allow fast insert and delete. A row delete would use memmove in C to budge up the items (in each and every column) after t...
How do I call an Angular.js filter with multiple arguments?
As from the documentation , we can call a filter such as date like this:
6 Answers
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...is far from being optimal.Particularly, you don't have to use the modulo, call ToString() and apply (int) cast. Considering that in most cases in C# world you would start numbering from 0, here is my revision: <!-- language: c# --> public static string GetColumnName(int index) // zero-ba...
Ruby Metaprogramming: dynamic instance variable names
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This is actually a really great way to do it since this is pretty much what Struct is made for.
– Chuck
Jul 19 '11 at 5:37
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npm failed to install time with make not found error
When i try to install time on nodejs server i get the below error:
5 Answers
5
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How do you create optional arguments in php?
...ument must be a constant expression. It can't be a variable or a function call.
If you need this functionality however:
function foo($foo, $bar = false)
{
if(!$bar)
{
$bar = $foo;
}
}
Assuming $bar isn't expected to be a boolean of course.
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Rails 4: before_filter vs. before_action
...ller::Base, before_action is just a new syntax for before_filter.
However all before_filters syntax are deprecated in Rails 5.0 and will be removed in Rails 5.1
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