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Determine path of the executing script
...u can use the commandArgs function to get all the options that were passed by Rscript to the actual R interpreter and search them for --file=. If your script was launched from the path or if it was launched with a full path, the script.name below will start with a '/'. Otherwise, it must be relative...
Can Google Chrome open local links?
...it's yet another social engineering attack vector.
– bytecode77
May 16 '18 at 12:47
4
...
Check if value exists in Postgres array
...stion that is not related to this answer. I think you will have more luck by asking your question as a new post, not in the comment ;)
– vol7ron
Apr 29 '16 at 14:25
...
Cell spacing in UICollectionView
... well with a UIEdgeInsetsMake(0,0,0,0)...
On a UITableView I can do this by directly specifying the x,y coordinates in a row...
Heres my UICollectionView code:
#pragma mark collection view cell layout / size
- (CGSize)collectionView:(UICollectionView*)collectionView layout:(UICollectionViewLa...
Scale Image to fill ImageView width and keep aspect ratio
...
I had a similar problem once. I solved it by making a custom ImageView.
public class CustomImageView extends ImageView
Then override the onMeasure method of the imageview. I did something like this I believe:
@Override
protected void onMeasure(int widthMeasur...
Use cases for the 'setdefault' dict method
...common use case: Grouping items (in unsorted data, else use itertools.groupby)
# really verbose
new = {}
for (key, value) in data:
if key in new:
new[key].append( value )
else:
new[key] = [value]
# easy with setdefault
new = {}
for (key, value) in data:
group = new.set...
How can I calculate the difference between two dates?
...ateFormatter.string(from: startDate)
startDate = Calendar.current.date(byAdding: .day, value: 1, to: startDate) ?? Date()
dateRange.append(stringDate)
}
print("Resulting Array - \(dateRange)")
Swift 3
var date1 = Date(string: "2010-01-01 00:00:00 +0000")
var date2 = Date(string: "2010-02...
Case insensitive 'Contains(string)'
...
This solution also needlessly pollutes the heap by allocating memory for what should be a searching function
– JaredPar
Mar 18 '13 at 16:09
17
...
Configure apache to listen on port other than 80
...le is OK with: httpd.exe -n "YourServiceName" -t (replace the service name by the one you found on step 1);
Make sure that the service is stopped: httpd.exe -k stop -n "YourServiceName"
Start it with: httpd.exe -k start -n "YourServiceName"
If it starts alright, the problem is no longer there, but i...
Get name of object or class
...nav buttons, but I was able to find the variable name for the class itself by sweeping the variables defined in the parent window.
What I did was search for anything matching the 'instanceof' my class, and in case there might be more than one, I compared a specific property that was likely to be uni...