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Why rename synthesized properties in iOS with leading underscores? [duplicate]
...nstance variables to differentiate them from their properties (even though Apple doesn't want you to use underscores, but that's a different matter). You synthesize the property to point at the instance variable. But the point is, _qux is an instance variable and self.qux (or [self qux]) is the mess...
Real world example about how to use property feature in python?
....lookup("a")
return self._a
a = property(get_a)
This was in a web app where any given page view might only need one particular attribute of this kind, but the underlying objects themselves might have several such attributes - initialising them all on construction would be wasteful, and prop...
What is the aspnet_client folder for under the IIS structure?
...be a way to stop this behavior, but I haven't found it (maybe changing the application version to .NET 2 would do it actually).
So unless you're using certain features of .NET 1.0/1.1 (validation, Smart Navigation etc) you can delete it without any problems, just don't be too surprised if it comes ...
What is the closest thing Windows has to fork()?
...to what was present in early
flavors of UNIX.
The first thing that happens when a
parent process forks a child process
is that the parent initializes a space
in the Cygwin process table for the
child. It then creates a suspended
child process using the Win32
CreateProcess call. Ne...
Characters allowed in a URL
... should not use .!, because those mark the end of a sentence and some mail apps will not auto-link the last char of the url. Example:
Visit http://example.com/foo=bar! !
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ActionBar text color
...t;style name="MyTheme.ActionBar.TitleTextStyle" parent="@android:style/TextAppearance.Holo.Widget.ActionBar.Title">
<item name="android:textColor">@color/red</item>
</style>
</resources>
sha...
How to check iOS version?
...e presence of a constant. This came up in iOS 8 with the introduction of UIApplicationOpenSettingsURLString, used to load Settings app via -openURL:. The value didn't exist prior to iOS 8. Passing nil to this API will crash, so you must take care to verify the existence of the constant first:
if (&...
Using backticks around field names
...
That's very true! One of our server applications was running fine until we applied an upgrade to our database engine, which added a new keyword. Suddenly everything that queried a particular table broke.
– Miquella
Nov 19 ...
How to duplicate sys.stdout to a log file?
Edit: Since it appears that there's either no solution, or I'm doing something so non-standard that nobody knows - I'll revise my question to also ask: What is the best way to accomplish logging when a python app is making a lot of system calls?
...
PHP passing $_GET in linux command prompt
...'re wondering what those colons are after argument names in getopt(), this apparently tells PHP you want the argument f, not the option f (which would be specified minus the colon). So it's just syntax.
– Mitya
Nov 12 '18 at 12:06
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