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What is Python buffer type for?
There is a buffer type in python, but I don't know how can I use it.
2 Answers
2
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pandas: filter rows of DataFrame with operator chaining
Most operations in pandas can be accomplished with operator chaining ( groupby , aggregate , apply , etc), but the only way I've found to filter rows is via normal bracket indexing
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Grant **all** privileges on database
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GRANT ALL PRIVILEGES ON mydb.* TO 'myuser'@'%' WITH GRANT OPTION;
This is how I create my "Super User" privileges (although I would normally specify a host).
IMPORTANT NOTE
While this answer can solve the problem of access, WITH GRANT OPTION creates a MySQL user that can ...
How can you determine how much disk space a particular MySQL table is taking up?
...ble_name='mytable';
GENERIC
Here is a generic query where the maximum unit display is TB (TeraBytes)
SELECT
CONCAT(FORMAT(DAT/POWER(1024,pw1),2),' ',SUBSTR(units,pw1*2+1,2)) DATSIZE,
CONCAT(FORMAT(NDX/POWER(1024,pw2),2),' ',SUBSTR(units,pw2*2+1,2)) NDXSIZE,
CONCAT(FORMAT(TBL/POWER(1...
Append values to query string
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You could use the HttpUtility.ParseQueryString method and an UriBuilder which provides a nice way to work with query string parameters without worrying about things like parsing, url encoding, ...:
string longurl = "http://somesite.com/news.php?artic...
How do I add options to a DropDownList using jQuery?
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Without using any extra plugins,
var myOptions = {
val1 : 'text1',
val2 : 'text2'
};
var mySelect = $('#mySelect');
$.each(myOptions, function(val, text) {
mySelect.append(
$('<option></option>...
How to handle ListView click in Android
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On your list view, use setOnItemClickListener
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Spring 3 MVC accessing HttpRequest from controller
...uld like to handle request and session attributes myself rather then leave it to spring @SessionAttributes , for login of cookies handling for example.
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Commands executed from vim are not recognizing bash command aliases
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Bash doesn’t load your .bashrc unless it’s interactive. Use
:set shellcmdflag=-ic
to make Vim’s :! shell behave like your command prompt.
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How can I have lowercase routes in ASP.NET MVC?
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With System.Web.Routing 4.5 you may implement this straightforward by setting LowercaseUrls property of RouteCollection:
public static void RegisterRoutes(RouteCollection routes)
{
routes.IgnoreRoute("{resource}....