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Pandas: drop a level from a multi-level column index?
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@yoonghm It is there, you are probably just calling it on columns that don't have a multi-index
– matt harrison
Dec 18 '18 at 14:59
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Disabling Minimize & Maximize On WinForm?
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If you want to ever actually close the form, make a class-wide boolean _close and, in your handler, set e.Cancel to !_close, so that whenever the user clicks the X on the window, it doesn't close, but you can still close it (without just killing it) with close = true; this.Close();
(And just to...
Test whether string is a valid integer
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Additionally, based on character collation (see this related question/answer) something like d[g-i]{2} could end up not only matching dig but also dish in the collation suggested by that answer (where the sh digraph is considered a s...
Finding duplicate values in a SQL table
...ly group on both of the columns.
Note: the older ANSI standard is to have all non-aggregated columns in the GROUP BY but this has changed with the idea of "functional dependency":
In relational database theory, a functional dependency is a constraint between two sets of attributes in a relation...
Removing trailing newline character from fgets() input
...s still generally better to use the non-standard (but common enough) strtok_r() variant.
– Michael Burr
Apr 22 '10 at 21:36
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Set variable in jinja
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Nice shorthand for Multiple variable assignments
{% set label_cls, field_cls = "col-md-7", "col-md-3" %}
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Multiline TextView in Android?
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If the text you're putting in the TextView is short, it will not automatically expand to four lines. If you want the TextView to always have four lines regardless of the length of the text in it, set the android:lines attribute:
<TextView
android:id="@+id/address1"
android:gravity="left...
How to give ASP.NET access to a private key in a certificate in the certificate store?
...Local Computer" account. Best to use Certificates MMC. Make sure to check "Allow private key to be exported"
Based upon which, IIS 7.5 Application Pool's identity use one of the following.
IIS 7.5 Website is running under ApplicationPoolIdentity. Open MMC => Add Certificates (Local computer) sn...
Setting UIButton image results in blue button in iOS 7
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In iOS7 there is new button type called UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0), // standard system button
Check your .xib file and change button type to Custom
To do this programmatically, add this line to the viewDidLoad:
[UIButton buttonWithType...
Changing Vim indentation behavior by file type
...h a width of 2 characters for indenting (the noexpandtab option is set globally elsewhere in my configuration).
This is described here: http://vimdoc.sourceforge.net/htmldoc/usr_05.html#05.4, scroll down to the section on filetype plugins.
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