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How to expand/collapse a diff sections in Vimdiff?
...-> temporarily disable simultaneous scrolling on both buffers, reenable by :set scrollbind and scrolling.
Most of what you asked for is folding: vim user manual's chapter on folding. Outside of diffs I sometime use:
zo -> open fold.
zc -> close fold.
But you'll probably be better serv...
sql primary key and index
...ptimize a query that uses the primary key and some other specific columns. By creating another index on the primary key column and including some other columns with it, you may reach the desired optimization for a query.
For example you have a table with many columns but you are only querying ID, N...
How do I find out what version of WordPress is running?
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The meta tag can be removed by a theme or plugin so that the version of WordPress is hidden, so that it can't be targeted with malicious intent by those seeking out older/unstable verisons. The other methods listed here could still work.
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Compiling C++ on remote Linux machine - “clock skew detected” warning
...e make decides which files to compile when performing an incremental build by checking if a source files has been modified more recently than its object file, this situation can cause unnecessary files to be built, or worse, necessary files to not be built.
However, if you are building from scratch...
Increment a value in Postgres
...alue (which is an integer) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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Moving project to another folder in Eclipse
...rer Tab might still be the ones contained in the old_dir (you can check it by right clicking each and following through: "Resource -> Linked Resource" to see the Path Variables values). Thus, they have to be removed from this work space. Delete the Nios 2 Application Project and the BSP Project f...
What's the difference between equal?, eql?, ===, and ==?
... am trying to understand the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object.
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Installing pip packages to $HOME folder
... This looks very insteresting. easy_install comes installed in Mac OS X by default, so I would have only pip installed outside the $HOME folder.
– Somebody still uses you MS-DOS
Aug 22 '11 at 14:08
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Checking in of “commented out” code [closed]
...race that philosophy usually cause broken windows and are often frustrated by source control. They see it as a necessary evil at best, and something to avoid at worst; which leads to infrequent checkins, which means changesets are huge and hard to merge, which compounds frustration, makes checkins s...
Storing money in a decimal column - what precision and scale?
...(19, 4) type in the back end was that Currency exhibited bankers' rounding by nature, whereas DECIMAL(p, s) rounded by truncation.
An extra decimal place in storage for DECIMAL allows a custom rounding algorithm to be implemented rather than taking the vendor's default (and bankers' rounding is ala...