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Why do enum permissions often have 0, 1, 2, 4 values?
... == 00000010
Permissions.Delete == 4 == 00000100
Notice a pattern here? Now if we take my original example, i.e.,
var permissions = Permissions.Read | Permissions.Write;
Then...
permissions == 00000011
See? Both the Read and Write bits are set, and I can check that independently (Also not...
Android studio logcat nothing to show
...0.8.14. Reinstalling it did nothing, going to try the SDK and config files now.
– G_V
Nov 19 '14 at 9:53
2
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How to sort an array by a date property
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After correcting the JSON this should work for you now:
var array = [{id: 1, date:'Mar 12 2012 10:00:00 AM'}, {id: 2, date:'Mar 8 2012 08:00:00 AM'}];
array.sort(function(a, b) {
var c = new Date(a.date);
var d = new Date(b.date);
return c-d;
});
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Recommended method for escaping HTML in Java
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The above example is broken. Use escapeHtml4() method now.
– stackoverflowuser2010
Jun 24 '14 at 17:47
3
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Using port number in Windows host file
... @Mat That would be nice, right? I just want others who see this to know to scroll down a little bit and give it a shot. I ended up here when trying to figure out how to map .test domains to my docker images locally on Windows 10, and the netsh answer worked like a charm!
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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Small improvements now possible since post. Paginator now has a page_range property to avoid boilerplate. If in search of minimal memory overhead, you can use object_list.iterator() which will not populate the queryset cache. prefetch_relat...
Get current time in milliseconds in Python?
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@ParallelUniverse: .utcnow() uses GetSystemTimeAsFileTime() on recent CPython on Windows. Wouldn't time.clock() call (QueryPerformanceCounter()) introduce more noise than it might reduce? See Precision is not the same as accuracy.
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find vs find_by vs where
...yntax is changing a bit." What I meant was, "but a new syntax is available now as well." See MCB's correction for the new syntax.
– Brian Morearty
Nov 9 '14 at 15:29
3
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What's wrong with foreign keys?
...n get nice "on delete cascade" behavior, automatically cleaning up tables
knowing about the relationships between tables in the database helps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality.
FKs give a pretty big hint on wh...
What is ASP.NET Identity's IUserSecurityStampStore interface?
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The UseCookieAuthentication is deprecated by now. I managed to configure it using services.Configure<SecurityStampValidatorOptions>(o => o.ValidationInterval = TimeSpan.FromSeconds(10));.
– riezebosch
Sep 6 '17 at 7:07
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