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What does [:] mean?
...pulation[:] they default to 0 and length(population) respectively, thereby selecting the entire list. Hence this is a common idiom to make a copy of a list.
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Sequence contains no matching element
...cument
where source.ID.ToString() equals target.ID
select new { source, target };
foreach (var pair in query)
{
target.Read = source.Read;
target.ReadRule = source.ReadRule;
// etc
}
That's simpler and more efficient IMO.
Even if you do decide to keep the loop,...
How to get highcharts dates in the x axis?
... The sample link is not working any more. Nothing happens when we select Run.
– Simsons
Jun 20 '18 at 8:20
1
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Is there a NumPy function to return the first index of something in an array?
...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index.
In [71]: np.argmax(a==2)
Out[71]: 2
In [72]: np.where(a==2)
Out[72]: (array([2], dtype=int64),)
In [73]: np.nonzero(a==2)
Out[73]: (array([2], dtype=int64),)
Time comparison
Ju...
Vim Configure Line Number Coloring
...
I didn't like the colors provided by the selected color scheme so I modified the color of the line numbers this way:
colorscheme trivial256 " for light background
hi LineNr term=bold cterm=bold ctermfg=2 guifg=Grey guibg=Grey90
...
C# Convert List to Dictionary
...other way to deal with duplicate is you can do like this
var dic = slist.Select((element, index)=> new{element,index} )
.ToDictionary(ele=>ele.index.ToString(), ele=>ele.element);
or
easy way to do is
var res = list.ToDictionary(str => str, str=> str);
but mak...
Programmatically open Maps app in iOS 6
...s = [MKMapItem class];
if (mapItemClass && [mapItemClass respondsToSelector:@selector(openMapsWithItems:launchOptions:)])
{
// Create an MKMapItem to pass to the Maps app
CLLocationCoordinate2D coordinate =
CLLocationCoordinate2DMake(16.775, -3.009);
MKPlacemark...
Detect Browser Language in PHP
...
The problem with the selected answer above is that the user may have their first choice set as a language that's not in the case structure, but one of their other language choices are set. You should loop until you find a match.
This is a super ...
How to output messages to the Eclipse console when developing for Android
...to see the debug messages then don't use Run As
rather use "Debug As" then select Android Application. Otherwise you'll not see the debug messages.
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Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
... is supported.
Disable Hyper-V
Type 'windows features' into start menu, select 'Turn Windows Features On or Off'.
Unselect all Hyper-V related options, press OK, Reboot.
This will break any Hyper-V VMs you have, including any Windows Phone emulators and anything else you have setup that requires ...