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How to concatenate two IEnumerable into a new IEnumerable?
... first or second be null you would receive a ArgumentNullException. To avoid this & treat nulls as you would an empty set, use the null coalescing operator like so:
var together = (first ?? Enumerable.Empty<string>()).Concat(second ?? Enumerable.Empty<string>()); //amending `<st...
How can I find out if I have Xcode commandline tools installed?
...m the store, and with this new mechanism it can't install extra things outside of the Xcode.app, so you have to manually do it yourself, by:
xcode-select --install
On Xcode 4.x you can check to see if they are installed from within the Xcode
UI:
On Xcode 5.x it is now here:
My problem of f...
jQuery append() - return appended elements
...ch as for any jQuery selector it allows to search for target , BUT only inside a specific context. It can be very useful if you write plugins or libraries.
– Pierpaolo Cira
Dec 22 '16 at 13:32
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Help with C# generics error - “The type 'T' must be a non-nullable value type”
...g>(...)
which wouldn't make sense, as Nullable<string> isn't valid.
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T-SQL get SELECTed value of stored procedure
...ECT statement does not become the SPROC's return value unless specified inside the SPROC.
– user229564
Feb 26 '13 at 1:40
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convert from Color to brush
...r to Brush....
you can't convert it, you have to make a new brush....
SolidColorBrush brush = new SolidColorBrush( myColor );
now, if you need it in XAML, you COULD make a custom value converter and use that in a binding
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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
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You need to divide by 255.0
Because I hardly ever use values between 1.0 and 0.0, I created a very simple UIColor category that does the messy looking division by itself: (from http://github.com/Jon889/JPGeneral)
//.h file
@interface UICo...
What is an .axd file?
...the server.
Simply put the ScriptResource.AXD contains all of the clientside javascript routines for Ajax. Just because you include a scriptmanager that loads a script file it will never appear as a ScriptResource.AXD - instead it will be merely passed as the .js file you send if you reference a e...
Retrieve the commit log for a specific line in a file?
...ph -u -L 155,155:git-web--browse.sh' - this has given a fatal error: 'invalid object name 155,155'. Git version: 1.8.3.2. Any suggestions?
– BairDev
Dec 12 '13 at 8:47
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Disable messages upon loading a package
...there
[3] "package:gplots" "package:KernSmooth"
[5] "package:grid" "package:caTools"
[7] "package:bitops" "package:gdata"
[9] "package:gtools" "package:stats"
[11] "package:graphics" "package:grDevices"
[13] "package:utils" "package:datasets"
[15] "...