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List distinct values in a vector in R
... applied to a factor) is that levels will return a character vector in the order of levels, including any levels that are coded but do not occur. unique will return a factor in the order the values first appear, with any non-occurring levels omitted (though still included in levels of the returned f...
Check whether an array is a subset of another
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A list maintains its order but a set does not. If the order is important this would give incorrect results.
– UuDdLrLrSs
Jun 13 '18 at 20:02
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Spring MVC @PathVariable getting truncated
...isteredSuffixPatternMatch property of RequestMappingHandlerMapping bean in order to keep suffixPattern recognition activated but limited to registered extension.
Here you define only json and xml extensions:
<bean id="handlerMapping"
class="org.springframework.web.servlet.mvc.method.anno...
How to pass a view's onClick event to its parent on Android?
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I think you need to use one of those methods in order to be able to intercept the event before it gets sent to the appropriate components:
Activity.dispatchTouchEvent(MotionEvent) - This allows your Activity to intercept all touch events before they are dispatched to the ...
Can I restore a single table from a full mysql mysqldump file?
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You can try to use sed in order to extract only the table you want.
Let say the name of your table is mytable and the file mysql.dump is the file containing your huge dump:
$ sed -n -e '/CREATE TABLE.*`mytable`/,/Table structure for table/p' mysql.dum...
Showing data values on stacked bar chart in ggplot2
...that "position_stack() and position_fill() now stack values in the reverse order of the grouping, which makes the default stack order match the legend."
Answer valid for older versions of ggplot:
Here is one approach, which calculates the midpoints of the bars.
library(ggplot2)
library(plyr)
#...
Performance of Java matrix math libraries? [closed]
...kes decisions on how to allocate variables to registers when it can; it re-orders instructions to take advantage of processor architecture... A possible exception is that as I mentioned, Hotspot will only perform one operation per SSE instruction; in principle you could have a fantastically optimise...
How to resize images proportionally / keeping the aspect ratio?
...: someOtherHeight }); ? this can be useful to avoid issues with parameters order.
– Adrien Be
Nov 4 '14 at 8:07
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Default text which won't be shown in drop-down list
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Kyle's solution worked perfectly fine for me so I made my research in order to avoid any Js and CSS, but just sticking with HTML.
Adding a value of selected to the item we want to appear as a header forces it to show in the first place as a placeholder.
Something like:
<option selected dis...
In laymans terms, what does 'static' mean in Java? [duplicate]
... public void someMethod() { };
public Class SomeInnerClass { };
}
In order to use someField, someMethod, or SomeInnerClass I have to first create an instance of SomeObject.
public class SomeOtherObject {
public void doSomeStuff() {
SomeObject anInstance = new SomeObject();
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