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class method generates “TypeError: … got multiple values for keyword argument …”

...de: myfoo.foodo("something") print print myfoo You'll output like: <__main__.foo object at 0x321c290> a thong is something <__main__.foo object at 0x321c290> You can see that 'thing' has been assigned a reference to the instance 'myfoo' of the class 'foo'. This section of the docs...
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jQuery Validate - Enable validation for hidden fields

...ry, this could break an existing setup. In the unlikely case that it actually does, you can fix it by setting the ignore-option to “[]” (square brackets without the quotes)." To change this setting for all forms: $.validator.setDefaults({ ignore: [], // any other default option...
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How to format strings using printf() to get equal length in the output?

... printf allows formatting with width specifiers. e.g. printf( "%-30s %s\n", "Starting initialization...", "Ok." ); You would use a negative width specifier to indicate left-justification because the default is to use right-justif...
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JPA: unidirectional many-to-one and cascading delete

...e as ON DELETE CASCADE. You'll need to invoke EntityManager.clear() after calling EntityManager.remove(parent) as the persistence context needs to be refreshed - the child entities are not supposed to exist in the persistence context after they've been deleted in the database. ...
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How to check if a symlink exists

... do you really see a difference between -L and -h ? in my bash ( version 4.2.53(1)-release (x86_64-redhat-linux-gnu ) man bash is identical for both -L and -h and they behave the same, ie they check that file actualy is a link and don'...
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Numpy `logical_or` for more than two arguments

... no, as the docs explicitly say, the only parameters are x1, x2, and optionally out: numpy.logical_or(x1, x2[, out]) = <ufunc 'logical_or'> You can of course chain together multiple logical_or calls like this: >>> x = np.array([True, True, False, False]) >>> y = np.a...
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl

...hy is this happening? The entire ext/mysql PHP extension, which provides all functions named with the prefix mysql_, was officially deprecated in PHP v5.5.0 and removed in PHP v7. It was originally introduced in PHP v2.0 (November 1997) for MySQL v3.20, and no new features have been added since 2...
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How to convert xml into array in php?

... is the SimpleXML extension (I believe it comes standard with most php installs.) http://php.net/manual/en/book.simplexml.php The syntax looks something like this for your example $xml = new SimpleXMLElement($xmlString); echo $xml->bbb->cccc->dddd['Id']; echo $xml->bbb->cccc->ee...
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Using Git, show all commits that are in one branch, but not the other(s)

...ich I would like to delete. However, before doing so, I want to check that all commits made to this branch were at some point merged into some other branch. Thus, I'd like to see all commits made to my current branch which have not been applied to any other branch [or, if this is not possible withou...
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AngularJs ReferenceError: $http is not defined

... ŁukaszBachmanŁukaszBachman 32.6k1010 gold badges6060 silver badges6969 bronze badges ...