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Pandas: drop a level from a multi-level column index?
...
You can use MultiIndex.droplevel:
>>> cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
>>> df = pd.DataFrame([[1,2], [3,4]], columns=cols)
>>> df
a
b c
0 1 2
1 3 4
[2 rows x 2 columns]
>>> df.columns = df.columns.droplevel()
>>>...
Android studio: new project vs new module
...est analogy, read more here: jetbrains.org/intellij/sdk/docs/basics/project_structure.html
– Oded Breiner
Oct 30 '15 at 11:47
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How to remove “disabled” attribute using jQuery?
...this (from this question):
$(".inputDisabled").prop('disabled', function (_, val) { return ! val; });
Here is a working fiddle.
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Repeat Character N Times
...is https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat
Short version is below.
String.prototype.repeat = function(count) {
if (count < 1) return '';
var result = '', pattern = this.valueOf();
while (count > 1) {
if (count & 1...
Change URL and redirect using jQuery
...’s comment is correct: stackoverflow.com/a/10016109/96656#comment18225061_10016109
– Mathias Bynens
May 23 '13 at 13:06
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Installing specific package versions with pip
I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it:
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PHP - Get bool to echo false when false
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echo $bool_val ? 'true' : 'false';
Or if you only want output when it's false:
echo !$bool_val ? 'false' : '';
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WebAPI Delete not working - 405 Method Not Allowed
...);
HttpResponseMessage response = client.DeleteAsync("api/Producer/" + _nopProducerId).Result;
if (response.IsSuccessStatusCode)
{
string strResult = response.Content.ReadAsAsync<string>().Result;
}
}
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Shortcut to exit scale mode in VirtualBox [closed]
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@jj_ I hope they never fix it, I've been riding the karma from this question for 5 years.
– Mike Miller
Jun 9 '17 at 14:58
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Taskkill /f doesn't kill a process
...too if any spawned to kill successfully your process
taskkill /IM "process_name" /T /F
/T = kills child process
/F = forceful termination of your process
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