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Getting root permissions on a file inside of vi? [closed]

Often while editing config files, I'll open one with vi and then when I go to save it realize that I didn't type 10 Answers...
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac

...ueryForObject all such methods expects that executed query will return one and only one row. If you get no rows or more than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exception or EmptyResultDataAccessException, but make sure the qu...
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Simpler way to create dictionary of separate variables?

...er the name. I will could use both your anwser. Or maybe just use my damn hand to type. Some things are just not made to be that automatized... – e-satis Mar 31 '10 at 14:08 7 ...
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Database design for audit logging

...d that is used by a few wiki platforms is to separate the identifying data and the content you're auditing. It adds complexity, but you end up with an audit trail of complete records, not just listings of fields that were edited that you then have to mash up to give the user an idea of what the old...
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How to update a plot in matplotlib?

...ure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure. ...
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MySQL: Fastest way to count number of rows

...mysql side? If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if indexes are really used, and where should they be added. The following is not the fastest way, but there is a case, where COUNT(*) doesn't really fit - when you start grouping results, you can run into problem...
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Wildcards in a Windows hosts file

..., I can just add vhosts to Apache called site1.local , site2.local etc, and have them all resolve to localhost , while Apache serves a different site accordingly. ...
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Compare a string using sh shell

I am using SH shell and I am trying to compare a string with a variable's value but the if condition is always execute to true. Why? ...
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Is there a naming convention for MySQL?

... I would say that first and foremost: be consistent. I reckon you are almost there with the conventions that you have outlined in your question. A couple of comments though: Points 1 and 2 are good I reckon. Point 3 - sadly this is not always pos...
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How to pull remote branch from somebody else's repo

...ich somebody has forked. On their fork, they've created a new branch "foo" and made some changes. How do I pull their "foo" into a new branch also named "foo" in my repo? ...