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count the frequency that a value occurs in a dataframe column
...iple columns in a df
[my_series[c].value_counts() for c in list(my_series.select_dtypes(include=['O']).columns)]
https://stackoverflow.com/a/28192263/786326
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Adding the little arrow to the right side of a cell in an iPhone TableView Cell
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Best way is select Disclosure Indicator in Accessory section.
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jQuery: count number of rows in a table
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Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
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Regex - Should hyphens be escaped? [duplicate]
Hyphen is a special character in regex, for instance, to select a range, I could do something like:
3 Answers
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BACKUP LOG cannot be performed because there is no current database backup
...lServer :
first right click on Database --> Task --> Restore --> Select Backup File -->
Finally Apply Change in Options Tab.
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Extract value of attribute node via XPath
...ou ignore the Parent node altogether and use:
//child/@name
you can select name attribute of all child nodes in one go.
name="Child_2"
name="Child_4"
name="Child_1"
name="Child_3"
name="Child_1"
name="Child_2"
name="Child_4"
name="Child_3"
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How do I get the computer name in .NET
... new ManagementObjectSearcher("root\\CIMV2",
"SELECT Name FROM Win32_ComputerSystem");
foreach (ManagementObject queryObj in searcher.Get())
{
Console.WriteLine("-----------------------------------");
Console.Write...
Styling input buttons for iPad and iPhone
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One issue with this is that for <select> boxes, it doesn't display the arrow when on a Desktop browser. So this is best paired with a media query I think.
– andrewtweber
Mar 19 '13 at 2:21
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How do I clear the terminal screen in Haskell?
How can I clear a terminal screen after my user has selected an option from my application's menu?
8 Answers
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How can I decode HTML characters in C#?
...ference to System.Web.dll. Right-click your project in Solution Explorer, select "Add Reference", then browse the list for System.Web.dll.
Now that the reference is added, you should be able to access the method using the fully-qualified name System.Web.HttpUtility.HtmlDecode or insert a using sta...