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What is the difference between HTTP_HOST and SERVER_NAME in PHP?
.... This behaviour was introduced since around Apache HTTPD 1.3. You need to set UseCanonicalName directive to on in the <VirtualHost> entry of the ServerName in httpd.conf (also check the warning at the bottom of the document!).
<VirtualHost *>
ServerName example.com
UseCanonical...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...the left-hand side. (But note, that on devices with right-to-left language setting this is the other way around, i.e. right aligned.)
Center: The view is centered.
End: Usually the view is bottom or right aligned. (On right-to-left languages, of course, left aligned.)
Fill: This alignment is slightl...
How do I use WPF bindings with RelativeSource?
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The default attribute of RelativeSource is the Mode property. A complete set of valid values is given here (from MSDN):
PreviousData Allows you to bind the previous data item (not that control that contains the data item) in the list of data items being displayed.
TemplatedParent Refers to the e...
Android dex gives a BufferOverflowException when building
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For me to make it work, I also had to set the target SDK to the latest version (19).
– RolandK
Nov 27 '13 at 10:20
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Python hashable dicts
As an exercise, and mostly for my own amusement, I'm implementing a backtracking packrat parser. The inspiration for this is i'd like to have a better idea about how hygenic macros would work in an algol-like language (as apposed to the syntax free lisp dialects you normally find them in). Because...
iPhone UITextField - Change placeholder text color
I'd like to change the color of the placeholder text I set in my UITextField controls, to make it black.
32 Answers
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How can I use Guzzle to send a POST request in JSON?
...or this answer. Why is this not in the documentation (especially the quick setup guide)? Crazy!?!
– Robert Johnstone
Mar 13 '19 at 12:03
1
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JavaScript hashmap equivalent
...e as simple as selecting right attributes of the object, e.g., a key, or a set of keys, which are already unique, a combination of keys, which are unique together, or as complex as using some cryptographic hashes like in DojoX encoding, or DojoX UUID. While the latter solutions may produce unique ke...
Can two applications listen to the same port?
...d two different processes to same ip and TCP port! This is possible if you set ServerSocket.setReuseAddress(true) in Java before binding to it. Really unexpected behaviour.
– Eugen
May 17 '13 at 17:03
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Remove/hide a preference from the screen
...e one of the preferences from the screen based on my app state. There is a setEnabled method, but it's not exactly what i want. I want to remove that preference from the screen completely.
Is it possible ?
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