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What does && mean in void *p = &&abc;
...
@Lundin: Same can be said of most compilers. __forceinline? __declspec(naked)? One of my favourite MSVCisms is: template<typename T> class X { friend T; }, which is invalid C++03.
– Sebastian Mach
Aug 17 '12 at 8:20
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How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
... see something like this:
$ env -i perl -V
...
@INC:
/usr/lib/perl5/site_perl/5.18.0/x86_64-linux-thread-multi-ld
/usr/lib/perl5/site_perl/5.18.0
/usr/lib/perl5/5.18.0/x86_64-linux-thread-multi-ld
/usr/lib/perl5/5.18.0
.
Note . at the end; this is the current directory (which is not neces...
How to rsync only a specific list of files?
...irectly on the command line instead:
# rsync -avP -e ssh `cat deploy/rsync_include.txt` root@0.0.0.0:/var/www/
This is assuming, however, that your list isn't so long that the command line length will be a problem and that the rsync_include.txt file contains just real paths (i.e. no comments, and...
Multiple HttpPost method in Web API controller
... add like this it gives me an error ------------ namespace ImageDownloadApplication.Controllers { public class FrontModel { public string skus { get; set; } } [ActionName("ProductController")] public class ProductController : ApiController { // GET: api/Ne...
subtle differences between JavaScript and Lua [closed]
...ua, you can manipulate environments with getfenv and setfenv in Lua 5.1 or _ENV in Lua 5.2 and 5.3.
In JS, all functions are variadic. In Lua, functions must be explicitly declared as variadic.
Foreach in JS loops over object properties. Foreach in Lua (which use the keyword for) loops over iterator...
Can (domain name) subdomains have an underscore “_” in it?
Can subdomains (domain names) have underscore _ in them?
11 Answers
11
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this.setState isn't merging states as I would expect
...construct a new state and then call setState() on that:
var newSelected = _.extend({}, this.state.selected);
newSelected.name = 'Barfoo';
this.setState({ selected: newSelected });
I've used function _.extend() function (from underscore.js library) here to prevent modification to the existing sele...
Converting from IEnumerable to List [duplicate]
...to a Generic List.
//ArrayList Implements IEnumerable interface
ArrayList _provinces = new System.Collections.ArrayList();
_provinces.Add("Western");
_provinces.Add("Eastern");
List<string> provinces = _provinces.Cast<string>().ToList();
If you're using Generic version IEnumerable&...
Android studio logcat nothing to show
...
I think after restarting logcat you need to run your app again
– JoelFan
Dec 2 '14 at 15:21
12
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Null coalescing in powershell
...ms -ne $null
[string]::Join(', ', ($instances | ForEach-Object -Process { $_.GetType() }))
# Result:
System.String, System.Int32, System.Int32, System.String, System.Object[],
System.Boolean, System.Boolean
-eq works similarly, which is useful for counting null entries:
($null, 'a', $null -eq $n...