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How to use android emulator for testing bluetooth application?
...host). This is usually C:\Program Files\Android\android-sdk\platform-tools>.
Type adb connect IP_ADDRESS.
There done! Now you need to add Bluetooth. Plug in your USB Bluetooth dongle/Bluetooth device.
In VirtualBox screen, go to Devices>USB devices. Select your dongle.
Done! now your Andr...
error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
... "In short you are probably mixing release and debug dlls" -> In my case the RuntimeLibrary was MultiThreadedDebugDLL in the Release build when it should have been MultiThreadedDLL.
– Captain Normal
Oct 30 '18 at 9:06
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Mapping over values in a python dictionary
...[key])
except TypeError:
return False
return True
Usage:
>>> d = walkableDict({ k1: v1, k2: v2 ... })
>>> d.walk(f)
The idea is to subclass the original dict to give it the desired functionality: "mapping" a function over all the values.
The plus point is that t...
Visual Studio window which shows list of methods
...he drop down on as shown in the first answer (@ChrisF):
Go to Options->Text Editor->(your language)
and tick "Navigation bar" in the display section.
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How to share Eclipse configuration over different workspaces
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Another option is export/import:
From your existing workspace, File->Export...->General->Preferences, check Export all, and choose file to save them to (prefs.epf for example)
Startup Eclipse in a new workspace, File->Import...->General->Preferences , choose your file (prefs....
How to convert a java.util.List to a Scala list
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Me too: ` scala> import scala.collection.JavaConverters._ ` import scala.collection.JavaConverters._ scala> val l = new java.util.ArrayList[java.lang.String] l: java.util.ArrayList[String] = [] scala> l...
Select random row from a sqlite table
... instead of having the fallback method (method 2), you can just use rowid >= [random] instead of =, but it is actually slugissingly slow compared to method 2.
– Suzanne Dupéron
Jan 19 '11 at 20:51
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How can I switch themes in Visual Studio 2012
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In Visual Studio 2012, open the Options dialog (Tools -> Options). Under Environment -> General, the first setting is "Color theme." You can use this to switch between Light and Dark.
The shell theme is distinct from the editor theme--you can use any editor fonts and col...
Haskell error parse error on input `='
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In GHCi 7.x or below, you need a let to define things in it.
Prelude> let f x = x * 2
Prelude> f 4
8
Starting from GHC 8.0.1, top-level bindings are supported in GHCi, so OP's code will work without change.
GHCi, version 8.0.1.20161213: http://www.haskell.org/ghc/ :? for help
Prelude...
Equivalent of varchar(max) in MySQL?
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The max length of a varchar is subject to the max row size in MySQL, which is 64KB (not counting BLOBs):
VARCHAR(65535)
However, note that the limit is lower if you use a multi-byte character set:
VARCHAR(21844) CHARACTER SET utf8
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