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Can we use join for two different database tables?
Can we use the join operation for two tables from different databases? If yes, how do I do it?
2 Answers
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Regex match everything after question mark?
I have a feed in Yahoo Pipes and want to match everything after a question mark.
6 Answers
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How to capture Curl output to a file?
I have a text document that contains a bunch of URLs in this format:
7 Answers
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How to create index in Entity Framework 6.2 with code first
Is there a way to create an index on a property/column using code-first, instead of using the new IndexAttribute ?
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List distinct values in a vector in R
How can I list the distinct values in a vector where the values are replicative? I mean, similarly to the following SQL statement:
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adding x and y axis labels in ggplot2
...ote: edited to modernize ggplot syntax]
Your example is not reproducible since there is no ex1221new (there is an ex1221 in Sleuth2, so I guess that is what you meant). Also, you don't need (and shouldn't) pull columns out to send to ggplot. One advantage is that ggplot works with data.frames direc...
How to get domain URL and application name?
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The web application name (actually the context path) is available by calling HttpServletrequest#getContextPath() (and thus NOT getServletPath() as one suggested before). You can retrieve this in JSP by ${pageContext.request.contextPath}.
<p>The context path is: ${pageContext.request.contex...
How to remove all rows in a numpy.ndarray that contain non-numeric values
Basically, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA ").
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Using XPATH to search text containing
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It seems that OpenQA, guys behind Selenium, have already addressed this problem. They defined some variables to explicitely match whitespaces. In my case, I need to use an XPATH similar to //td[text()="${nbsp}"].
I reproduced here the text from OpenQA ...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
I am an electrical engineer who mainly plays around with power systems instead of programming. Recently, I have been following a manual to install a software suite on Ubuntu. I have no knowledge of mySQL at all, actually. I have done the following installations on my Ubuntu.
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