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“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
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In Xcode do the following
Window --> Organiser --> Projects --> The app with the issue --> delete button in Derived Data.
I then cleaned the project and voila
works
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What is the difference between sigaction and signal?
...l() handler must reinstall itself as its first action. It also opens up a window of vulnerability between the time when the signal is detected and the handler is reinstalled during which if a second instance of the signal arrives, the default behaviour (usually terminate, sometimes with prejudice -...
Get top 1 row of each group
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+1 for huge speed improvement. This is much faster than a windowing function such as ROW_NUMBER(). It would be nice if SQL recognized ROW_NUMBER() = 1 like queries and optimized them into Applies. Note: I used OUTER APPLY as I needed results, even if they didn't exist in the apply...
How to use enums as flags in C++?
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Note if you are working in Windows environment, there is a DEFINE_ENUM_FLAG_OPERATORS macro defined in winnt.h that does the job for you. So in this case, you can do this:
enum AnimalFlags
{
HasClaws = 1,
CanFly =2,
EatsFish = 4,
Endan...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...our "async" approach to replay a load on a WebLogic web server deployed on Windows, but I'm getting ephemical port depletion issue, rather quickly. I haven't touched ServicePointManager.DefaultConnectionLimit, and I'm disposing and re-creating everything (HttpClient and response) on each request. Do...
postgresql COUNT(DISTINCT …) very slow
...same plan as for the CTE could probably also be produced by other methods (window functions)
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Function that creates a timestamp in c#
... DateTime.Parse("01/01/1970 00:00:00").Ticks;
ticks /= 10000000; //Convert windows ticks to seconds
timestamp = ticks.ToString();
Adjusting the denominator allows you to choose your level of precision
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In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
... file. Shouldn't you use path.join('moduleName', 'package.json') for being Windows compatible?
– João Pimentel Ferreira
Oct 21 '18 at 20:01
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CSS hexadecimal RGBA?
...l look very similar to this:
Using the most recent version of Chrome on Windows (v39.0.2171) to inspect our <figure> element, we'll see the following:
The 6-digit hexadecimal fall back is overridden by the rgba() values, and our 8-digit hexadecimal values are ignored as they are currentl...
Confused by python file mode “w+”
... - they treat text files the same way that any other files are treated. On Windows, however, text files are written with slightly modified line endings. This causes a serious problem when dealing with actual binary files, like exe or jpg files. Therefore, when opening files which are not supposed to...