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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
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Note that if you want to search every column, you'd just omit the column selection step and do
df2.isin(c1).any(axis=1)
Similarly, to retain rows where ALL columns are True, use all in the same manner as before.
df2[df2[['A', 'B']].isin(c1).all(axis=1)]
A B C
0 x w 0
Notable Ment...
How do I move a tab in Notepad++ to a new window?
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You can right click the tab and select move to or open in new instance.
This only works for files that are not dirty (when the tab icon is not red).
share
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Is an entity body allowed for an HTTP DELETE request?
...e it is to delete multiple records at a time (for example, a grid with row-selection check-boxes).
DELETE /messages
[{id:1, version:2},
{id:99, version:3}]
204 No Content
Notice that each message has its own version. Maybe you can specify multiple versions using multiple headers, but by George, t...
Avoiding SQL injection without parameters
...ion is wrong. You need to put apostrophes around the text:
string sql = "SELECT * FROM Users WHERE Name='" + SafeDBString(name) & "'";
SqlCommand getUser = new SqlCommand(sql, connection);
So that's one other thing parameters do for you: you don't need to worry about whether or not a value ...
Open file via SSH and Sudo with Emacs
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I had some troubles with the selected answer. However, it worked when I added this line to .emacs:
(add-to-list 'tramp-default-proxies-alist '(".*" "\\`root\\'" "/ssh:%h:"))
And then executed the following:
/sudo:ssh-host:file-on-ssh-host
It was sl...
Relative paths in Python
...2).resolve()
In the future, it just that simple. :D
Moreover, we can select and check and copy/move those template files with pathlib:
if src_path != cwd:
# When we have different types of files in the `src_path`
for template_path in src_path.glob('*.ini'):
fname = template_pa...
pandas GroupBy columns with NaN (missing) values
...s far result in potentially dangerous behavior as it is quite possible you select a dummy value that is actually part of the dataset. This is increasingly likely as you create groups with many attributes. Simply put, the approach doesn't always generalize well.
A less hacky solve is to use pd.drop_...
How to find difference between two Joda-Time DateTimes in minutes
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I agree, this should have been the selected answer. Its neat and simple.
– Sid
Jan 9 '18 at 12:12
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Change Active Menu Item on Page Scroll?
... scroll event of the container (usually window).
Quick example:
// Cache selectors
var topMenu = $("#top-menu"),
topMenuHeight = topMenu.outerHeight()+15,
// All list items
menuItems = topMenu.find("a"),
// Anchors corresponding to menu items
scrollItems = menuItems.map(functio...
What is the proper way to display the full InnerException?
...s()
.Where(e => !String.IsNullOrWhiteSpace(e.Message))
.Select(e => e.Message.Trim());
string flattened = String.Join(Environment.NewLine, messages); // <-- the separator here
return flattened;
}
public static IEnumerable<Exception> GetAllExceptions(this Excep...