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How to test if list element exists?
...to check that the name is actually defined in the list:
foo <- list(a=42, b=NULL)
foo
is.null(foo[["a"]]) # FALSE
is.null(foo[["b"]]) # TRUE, but the element "exists"...
is.null(foo[["c"]]) # TRUE
"a" %in% names(foo) # TRUE
"b" %in% names(foo) # TRUE
"c" %in% names(foo) # FALSE
...and foo[["...
How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?
Previously in 2012, if I debugged in Chrome (for example), and then stopped the debugger, the website would remain running in IIS Express. This no longer seems to be the case in 2013.
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C++ include and import difference
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Head GeekHead Geek
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Install an apk file from command prompt?
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723
You can use the code below to install application from command line
adb install example.apk
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java.lang.ClassNotFoundException: Didn't find class on path: dexpathlist
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Resolve Type from Class Name in a Different Assembly
...d assembly name like such:
Type.GetType("System.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089");
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How to make a element expand or contract to its parent container?
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answered Jan 18 '12 at 23:41
robertcrobertc
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I can not find my.cnf on my windows computer [duplicate]
...Server 5.6\my.ini" MySQL56
Full answer here:
https://stackoverflow.com/a/20136523/1316649
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Create empty file using python [duplicate]
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