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How can I open a link in a new window?
I have a click handler for a specific link, inside that I want to do something similar to the following:
10 Answers
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MySQL Cannot drop index needed in a foreign key constraint
I need to ALTER my existing database to add a column. Consequently I also want to update the UNIQUE field to encompass that new column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
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How to obtain the number of CPUs/cores in Linux from the command line?
I have this script, but I do not know how to get the last element in the printout:
27 Answers
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How to place two divs next to each other?
Consider the following code :
13 Answers
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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
I am fairly new to MySQL and I am getting a pretty interesting error on which I cannot find any help via google and the stackoverflow search.
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Why is Maven downloading the maven-metadata.xml every time?
Below is the error I usually get when my internet connection is flanky when trying to build a web application with maven.
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Check if option is selected with jQuery, if not select a default
Using jQuery, how do you check if there is an option selected in a select menu, and if not, assign one of the options as selected.
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Scroll to bottom of div?
I am creating a chat using Ajax requests and I'm trying to get messages div to scroll to the bottom without much luck.
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COUNT DISTINCT with CONDITIONS
I want to count the number of distinct items in a column subject to a certain condition, for example if the table is like this:
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Remove duplicated rows
I have read a CSV file into an R data.frame. Some of the rows have the same element in one of the columns. I would like to remove rows that are duplicates in that column. For example:
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