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Removing duplicate rows in vi?
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Select the lines in visual-line mode (Shift+v), then :!uniq. That'll only catch duplicates which come one after another.
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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Is it possible to clone html element objects in JavaScript / JQuery?
...od:
// Create a clone of element with id ddl_1:
let clone = document.querySelector('#ddl_1').cloneNode( true );
// Change the id attribute of the newly created element:
clone.setAttribute( 'id', newId );
// Append the newly created element on element p
document.querySelector('p').appendChild( cl...
Cannot open include file 'afxres.h' in VC2010 Express
...++.
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Change or remove program (type)
Microsoft Visual Studio
Modify
Select 'Microsoft Foundation Classes for C++'
Update
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When to use MyISAM and InnoDB? [duplicate]
...l-text indexing. -- InnoDB has it now
Especially good for read-intensive (select) tables. -- Mostly no longer true.
Disk footprint is 2x-3x less than InnoDB's. -- As of Version 5.7, this is perhaps the only real advantage of MyISAM.
InnoDB:
The InnoDB storage engine in MySQL.
Support for tra...
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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jQuery .scrollTop(); + animation
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Your callback will execute twice, by the way, because you selected two elements.
– Big McLargeHuge
Oct 31 '14 at 18:26
8
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Amend a commit that wasn't the previous commit [duplicate]
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Have I misunderstood? It seems you actually have to select a commit before the one you want to change. If sha1 is the hash of the commit you want to change, you'd specify sha1^ on the rebase command. Otherwise, the commit to change doesn't appear in the list.
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How do I check if a given Python string is a substring of another one? [duplicate]
...ever you are looking for make a regex-group auto of it, afterwards you can select the 3rd group.
– Cutton Eye
Feb 8 '18 at 15:35
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Apply style to parent if it has child with css [duplicate]
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It's not possible with CSS3. There is a proposed CSS4 selector, $, to do just that, which could look like this (Selecting the li element):
ul $li ul.sub { ... }
See the list of CSS4 Selectors here.
As an alternative, with jQuery, a one-liner you could make use of would be th...