大约有 40,000 项符合查询结果（耗时：0.0579秒） [XML]
Making iTerm to translate 'meta-key' in the same way as in other OSes
...
For my external keyboard I had to set both left and right option keys to use Esc+, even though I was using the left option key it would still print weird characters. This might happen because I use the Keyboard Modifiers option in Mac Keyboard settings to cha...
pull out p-values and r-squared from a linear regression
How do you pull out the p-value (for the significance of the coefficient of the single explanatory variable being non-zero) and R-squared value from a simple linear regression model? For example...
...
How do I diff the same file between two different commits on the same branch?
In Git, how could I compare the same file between two different commits (not contiguous) on the same branch (master for example)?
...
How to center a subview of UIView
...y have your subview centered regardless of what your parent view center is set to.
– Old Name
Jul 23 '14 at 23:28
...
Capturing Groups From a Grep RegEx
...ve got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
...
How do I vertically center text with CSS? [duplicate]
.../div>
It only works for a single line of text though, because we set the line's height to the same height as the containing box element.
A more versatile approach
This is another way to align text vertically. This solution will work for a single line and multiple lines of text, but it ...
Ruby - test for array
...
You probably want to use kind_of().
>> s = "something"
=> "something"
>> s.kind_of?(Array)
=> false
>> s = ["something", "else"]
=> ["something", "else"]
>> s.kind_of?(Array)
=> true
...
How to parse/format dates with LocalDateTime? (Java 8)
... zone-name Pacific Standard Time; PST
O localized zone-offset offset-O GMT+8; GMT+08:00; UTC-08:00;
X zone-offset 'Z' for zero offset-X Z; -08; -0830; -08:30; -083015; -08:30:15;
x zone-offset offset-x +0000; -08;...
Remove columns from dataframe where ALL values are NA
... has arbitrary properties as columns and each row represents one data set .
12 Answers
...
How do you know a variable type in java?
...
|
improve this answer
|
follow
|
answered Apr 20 '10 at 11:18
MartinMartin
31.6k1313 gold badges676...