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How can I present a file for download from an MVC controller?
In WebForms, I would normally have code like this to let the browser present a "Download File" popup with an arbitrary file type, like a PDF, and a filename:
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How to handle back button in activity
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In addition to the above I personally recommend
onKeyUp():
Programatically Speaking keydown will fire when the user depresses a key initially but It will repeat while the user keeps the key depressed.*
This remains true for all development platforms.
G...
Is there a shortcut to move between header and source file in VC++?
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Visual Assist is a great tool - I'd recommend it for all developers using MSVC
– Stephen Nutt
Apr 9 '10 at 0:56
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... That's more or less what I assumed (IEEE-745, at least): I think almost all machines for which Python is implemented use IEEE-754. My point is just that the corresponding values may be different on another architecture (like some of the mainframes, which don't use IEEE).
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How to justify a single flexbox item (override justify-content)
... the extra element as well, so the layout will be properly responsive on smaller devices.
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Reading my own Jar's Manifest
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You can do one of two things:
Call getResources() and iterate through the returned collection of URLs, reading them as manifests until you find yours:
Enumeration<URL> resources = getClass().getClassLoader()
.getResources("META-INF/MANIFEST.MF");
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How should I use Outlook to send code snippets?
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Pattern: Clear (Custom Color(RGB(253,253,217))), Style: Linked, Automatically update, Quick Style
Based on: HTML Preformatted
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Correct format specifier for double in printf
...).
Note that this is one place that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promoted from float to double when passed as a variadic parameter. For input you're passing a pointer, which is not promoted...
Django: Get an object form the DB, or 'None' if nothing matches
...get(*args, **kwargs)
except model.DoesNotExist:
return None
Call it like this
foo = get_or_none(Foo, baz=bar)
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How do I see if Wi-Fi is connected on Android?
... does not
support multiple connected networks of the same type. Use
getAllNetworks() and getNetworkInfo(android.net.Network) instead.
NOTE3: public static final int TYPE_WIFI is now deprecated:
This constant was deprecated in API level 28.
Applications should instead use NetworkCapabilit...