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ValueError: setting an array element with a sequence
...s.
Edit: Another possible cause for this error message is trying to use a string as an element in an array of type float:
numpy.array([1.2, "abc"], dtype=float)
That is what you are trying according to your edit. If you really want to have a NumPy array containing both strings and floats, you c...
Mercurial stuck “waiting for lock”
...must make sure nothing else is accessing the repository. (If the lock is a string of zeros or blank, this is almost certainly true).
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JavaScript pattern for multiple constructors
...was omitted in call
b= 'some default value';
if (typeof(a)==='string')
this._constructInSomeWay(a, b);
else if (a instanceof MyType)
this._constructInSomeOtherWay(a, b);
}
You can also access arguments as an array-like to get any further arguments passed in.
If yo...
Calling static generic methods
...JLS section 15.12.2.8. To be explicit, you'd call something like:
Foo.<String>createFoo();
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From an array of objects, extract value of a property as array
... the value of a property in an object.
Additionally, _.map() now allows a string to be passed in as the second parameter, which is passed into _.property(). As a result, the following two lines are equivalent to the code sample above from pre-Lodash 4.
var result = _.map(objArray, 'foo');
var resu...
NumPy or Pandas: Keeping array type as integer while having a NaN value
...
If performance is not the main issue, you can store strings instead.
df.col = df.col.dropna().apply(lambda x: str(int(x)) )
Then you can mix then with NaN as much as you want. If you really want to have integers, depending on your application, you can use -1, or 0, or 12345...
How do I read CSV data into a record array in NumPy?
...
What if you want something of different types? Like strings and ints?
– CGTheLegend
Mar 21 '17 at 2:20
12
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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...nged.</param>
public ItemPropertyChangedEventArgs(int index, string name) : base(name)
{
CollectionIndex = index;
}
/// <summary>
/// Initializes a new instance of the <see cref="ItemPropertyChangedEventArgs"/> class.
///...
How to make a JTable non-editable
...ted with table = new JTable(tempTable, columnNames);, where tempTable is a String[][] and Column Names is a String[]. I believe the issue is caused by new DefaultTableModel() not specifying the data and column names for the table model. How do I specify those in the data model. I tried table.setMo...
How do I copy a file in Python?
...copied with this function.
With copy, src and dst are path names given as strings.
If you use os.path operations, use copy rather than copyfile. copyfile will only accept strings.
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