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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
I get some error that I can't figure out. Any clue what is wrong with my sample code?
4 Answers
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Does a valid XML file require an XML declaration?
...roblem if the input is encoded as UTF-8, UTF-16 or US-ASCII. Autodetection doesn't work when it encounters 8-bit encodings that use characters outside the US-ASCII range (e.g. ISO 8859-1) -- avoid creating these if you can.
The standalone indicates whether the XML document can be correctly processe...
How to change facet labels?
...ve method fails if you pass a variable/value combination that the labeller doesn't know. You can add a fail-safe for unknown variables like this:
plot_labeller <- function(variable,value){
if (variable=='facet1') {
return(facet1_names[value])
} else if (variable=='facet2') {
return(f...
Most Useful Attributes [closed]
...'t realized, and which rather dampens my enthusiasm for this attribute: it does not instruct the compiler to allow bit combinations as valid values for enumeration variables, the compiler allows this for enumerations regardless. My C++ background showing through... sigh
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Determine installed PowerShell version
...$PSVersionTable.PSVersion to determine the engine version. If the variable does not exist, it is safe to assume the engine is version 1.0.
Note that $Host.Version and (Get-Host).Version are not reliable - they reflect
the version of the host only, not the engine. PowerGUI,
PowerShellPLUS, etc. are ...
How to “fadeOut” & “remove” a div in jQuery?
...s I preach, I just woke up and I'm not in the "extra mile" mood. Your post does the job, though. :)
– Paolo Bergantino
Feb 16 '09 at 14:20
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How to specify different Debug/Release output directories in QMake .pro file
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Mind explaining how this is used / what it does? It appears to have no effect when I implement it. edit: if i change Debug to debug (lower case) it works. I suspect this is a windows vs unix case sensitivity thing.
– notlesh
Dec ...
How to programmatically get iOS status bar height
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Update 2. There's also a case of user interface orientation. Status bar does not respect the orientation value, thus status bar height value for portrait mode is [UIApplication sharedApplication].statusBarFrame.size.height (yes, default orientation is always portrait, no matter what your app info...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
...ocessing overhead which will degrade the performance of the application. C doesn't have any of that, which means that there is no overhead, but that means that the programmer needs to be able to allocate memory and free them to prevent memory leaks, and must deal with static typing of variables.
Th...
PHP/MySQL insert row then get 'id'
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Does it still works if there will 10000 async inserts at the same time?
– zie1ony
Aug 10 '12 at 20:21
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