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Best way to iterate through a Perl array
Which is the best implementation(in terms of speed and memory usage) for iterating through a Perl array? Is there any better way? ( @Array need not be retained).
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
I am getting an ORA-01000 SQL exception. So I have some queries related to it.
13 Answers
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Symbolic link to a hook in git
I wrote my own custom post-merge hook, now I added a "hooks" directory to my main project folder (since git doesn't track changes in .git/hooks), somewhere I read that I can make a symbolic link from hooks to .git/hooks so I don't have to copy the file from one folder to the other every time someone...
AngularJS : Difference between the $observe and $watch methods
I know that both Watchers and Observers are computed as soon as something in $scope changes in AngularJS. But couldn't understand what exactly is the difference between the two.
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What is Virtual DOM?
Recently, I looked at Facebook's React framework. It uses a concept called "the Virtual DOM," which I didn't really understand.
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Java: how can I split an ArrayList in multiple small ArrayLists?
How can I split an ArrayList (size=1000) in multiple ArrayLists of the same size (=10) ?
18 Answers
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How to replace ${} placeholders in a text file?
I want to pipe the output of a "template" file into MySQL, the file having variables like ${dbName} interspersed. What is the command line utility to replace these instances and dump the output to standard output?
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How to concatenate multiple lines of output to one line?
If I run the command cat file | grep pattern , I get many lines of output. How do you concatenate all lines into one line, effectively replacing each "\n" with "\" " (end with " followed by space)?
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What does %w(array) mean?
I'm looking at the documentation for FileUtils.
8 Answers
8
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Insert text with single quotes in PostgreSQL
I have a table test(id,name) .
7 Answers
7
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