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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?
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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.
share
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improv...
Searching for UUIDs in text with regex
...Microsoft's Globally Unique Identifiers (GUIDs), there are five equivalent string representations for a GUID:
"ca761232ed4211cebacd00aa0057b223"
"CA761232-ED42-11CE-BACD-00AA0057B223"
"{CA761232-ED42-11CE-BACD-00AA0057B223}"
"(CA761232-ED42-11CE-BACD-00AA0057B223)"
"{0xCA761232, 0xED42, 0x1...
Difference between $.ajax() and $.get() and $.load()
... is supplied (see: http://api.jquery.com/load/)
data Type: PlainObject or String A plain object or string that is sent to the server with the request.
Request Method The POST method is used if data is provided as an
object; otherwise, GET is assumed.
Example: pass arrays of data to the server (POS...
Clear back stack using fragments
...((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, FragmentManager.POP_BACK_STACK_INCLUSIVE)
Which will pop all states up to the named one. You can then just replace the fragment with what you want
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The first day of the current month in php using date_modify as DateTime object
...far the simplest and most readable way to solve this, if all you need is a string representation of the date.
– Markus Amalthea Magnuson
Aug 17 '12 at 11:23
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How to import load a .sql or .csv file into SQLite?
...inary csv data because it treats any comma as a delimiter even in a quoted string.
This includes trying to re-import a csv file that was created by the shell:
Create table T (F1 integer, F2 varchar);
Insert into T values (1, 'Hey!');
Insert into T values (2, 'Hey, You!');
.mode csv
.output test....