大约有 500 项符合查询结果（耗时：0.0252秒） [XML]
In Scala how do I remove duplicates from a list?
...come others to submit better implementations.)
List size 1e7, random 0 to 1e6
------------------------------
distinct : 4562.2277ms
distinctOnSorted : 201.9462ms
distinctOnSortedMut1: 4399.7055ms
distinctOnSortedMut2: 246.099ms
distinctOnSortedMut3: 344.0758ms
distinctOnSortedMut4: 247...
Drawing a line/path on Google Maps
...oPoint startGP = new GeoPoint(
(int) (Double.parseDouble(lngLat[1]) * 1E6), (int) (Double
.parseDouble(lngLat[0]) * 1E6));
myMC = myMapView.getController();
geoPoint = startGP;
myMC.setCenter(geoPoint);
myMC.setZoom(15);
myMapView.getOverlays().add(new DirectionPathOverlay(start...
Concatenate a vector of strings/character
...str_named) <- ar_st_names
# Add Element to Named List
ls_num_str_named$e4 <- 'this is added'
Here is the a function that will convert named or unnamed list to string:
ffi_lst2str <- function(ls_list, st_desc, bl_print=TRUE) {
# string desc
if(missing(st_desc)){
st_desc <- de...
Eclipse will not start and I haven't changed anything
...
Removing workbench.xmi under workspace/.metadata/.plugins/org.eclipse.e4.workbench/ worked for me. It did not remove the existing projects.
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Change navbar color in Twitter Bootstrap
...v>
Default color usage
Here are the main colors and their usage:
#F8F8F8: navbar background
#E7E7E7: navbar border
#777: default color
#333: hover color (#5E5E5E for .nav-brand)
#555: active color
#D5D5D5: active background
Default style
If you want to put some custom style, here's the CS...
Is R's apply family more than syntactic sugar?
...pe which makes it much faster.
foo <- function(x) x+1
y <- numeric(1e6)
system.time({z <- numeric(1e6); for(i in y) z[i] <- foo(i)})
# user system elapsed
# 3.54 0.00 3.53
system.time(z <- lapply(y, foo))
# user system elapsed
# 2.89 0.00 2.91
system.time(z...
Windows 7 SDK installation failure
...eturn code 1625
And this in the dexplore installation logfile:
MSI (s) (E4:7C) [12:19:46:680]: Machine policy value 'DisableBrowse' is 1
MSI (s) (E4:7C) [12:19:46:680]: Adding new sources is not allowed.
MSI (s) (E4:7C) [12:19:46:680]: Warning: rejected attempt to add new source 'c:\eb66d60e4283b...
Adding the “Clear” Button to an iPhone UITextField
... community wiki
2 revs, 2 users 92%PT Vyas
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How to make shallow git submodules?
...mmit 2b1257e, commit 76e9bdc (25 Oct 2018), and commit b5c259f, commit 23dd8f5, commit b2faad4, commit 2502ffc, commit 996df4d, commit d1b13df, commit 45f5ef3, commit bcbc780 (05 Oct 2018) by Antonio Ospite (ao2).
(Merged by Junio C Hamano -- gitster -- in commit abb4824, 13 Nov 2018)
submodul...
How to clear basic authentication details in chrome
..."GET",str,true);
xmlhttp.setRequestHeader("Authorization","Basic YXNkc2E6")
xmlhttp.send();
return false;
}
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