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How do you clear a slice in Go?
...)
fmt.Println(cap(letters))
fmt.Println(len(letters))
for i := range letters {
fmt.Println(i, letters[i])
}
}
func main() {
letters := []string{"a", "b", "c", "d"}
dump(letters)
// clear the slice
letters = nil
dump(letters)
// add stuff back to it
...
Google Maps V3 - How to calculate the zoom level for a given bounds
...ve contains a link to the same Wikipedia page.
Other Notes:
Zoom levels range from 0 to the maximum zoom level. Zoom level 0 is the map fully zoomed out. Higher levels zoom the map in further. (reference)
At zoom level 0 the entire world can be displayed in an area that is 256 x 256 pixels. (refe...
Linq to Entities join vs groupjoin
...
A a1
A a2
A a3
B b1
B b2
C (null)
Note that the range variable c is reused in the above statement. Doing this, any join statement can simply be converted to an outer join by adding the equivalent of into g from c in g.DefaultIfEmpty() to an existing join statement.
This is...
Specifying and saving a figure with exact size in pixels
...ray_r" as the colormap. I usually add vmin and vmax to specify the dynamic range but these are optional.
The end result is a png file of exactly the same pixel dimensions as the im array.
Note: the OP specified no axes, etc. which is what this solution does exactly. If one wants to add axes, ticks, ...
Can a Windows batch file determine its own file name?
...th character of the variable and then show show the next 4 characters. The range is 0 to the end of the variable string. So %Path% would be very long!
fIlEnAmE.bat
012345678901
However, this is not as sound as Jool's solution (%~x0) above.
My Evidence:
C:\bin>filename.bat
%0.......filename...
What's a good rate limiting algorithm?
... print "This should print 1,2,3... at about 2 per second."
for i in range(1,100):
PrintNumber(i)
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string c_str() vs. data()
...could internally hold a reference to shared string data, and the start/end range, avoiding the copy (and additional allocation) of the actual string data. The implementation would defer the copy until you call c_str or modify any of the strings. No copy would ever be made if the strigns involved are...
Detect iPad Mini in HTML5
...get a user's IP, but is it possible to get a user's mac address? Are those ranges different between iPad2's and iPad mini's?
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Compute a confidence interval from sample data
...ct options give (essentially) identical confidence intervals:
In [9]: a = range(10,14)
In [10]: mean_confidence_interval(a)
Out[10]: (11.5, 9.4457397432391215, 13.554260256760879)
In [11]: st.t.interval(0.95, len(a)-1, loc=np.mean(a), scale=st.sem(a))
Out[11]: (9.4457397432391215, 13.554260256760...
Change / Add syntax highlighting for a language in Sublime 2/3
...might want to take a look at. My main goal, besides trying to make a broad range of languages look as good as possible, was to identify as many different scopes as I could - many more than are included in the standard themes. While the JavaScript language definition isn't as thorough as Python's, fo...