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How to duplicate a whole line in Vim?
... To copy two lines, it's even faster just to go yj or yk, especially since you don't double up on one character. Plus, yk is a backwards version that 2yy can't do, and you can put the number of lines to reach backwards in y9j or y2k, etc.. Only difference is that your count has to be n-1 ...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...hine diagram on the JSON website, only escaped double-quote characters are allowed, not single-quotes. Single quote characters do not need to be escaped:
Update - More information for those that are interested:
Douglas Crockford does not specifically say why the JSON specification does not al...
How is the Linux kernel tested ?
How do the Linux kernel developers test their code locally and after they have it committed? Do they use some kind of unit testing, build automation? test plans?
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Rebasing a Git merge commit
... to do an interactive rebase and edit the merge commit, redo the merge manually and continue the rebase.
Another is to use the --rebase-merges option on git rebase, which is described as follows from the manual:
By default, a rebase will simply drop merge commits from the todo list, and put the reb...
Why does find -exec mv {} ./target/ + not work?
...thing.
find -exec command {} \;
For each result, command {} is executed. All occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from interpreting it.
find -exec command {} +
Each result is appended to command and executed afterwards. Taking the command...
How do I get the RootViewController from a pushed controller?
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:) ty. It still seems hacky - :) I really wanted an "official" member to do the job, something like self.navigationController.rootViewController, but alas, no such thing..
– bobobobo
Nov 25 '09 at 2:21
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Error “The goal you specified requires a project to execute but there is no POM in this directory” a
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I edit my command by adding quotes for every parameter like this:
mvn install:install-file "-DgroupId=org.mozilla" "-DartifactId=jss" "-Dversion=4.2.5" "-Dpackaging=jar" "-Dfile=C:\Users\AArmijos\workspace\componentes-1.0.4\deps\jss-4.2.5.jar"
It's worked.
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What are the minimum margins most printers can handle?
... is only a safe bet on inkjets made for photo printing. Laser printers usually have a much larger margin. However, the question states that they're producing graphics, so optimizing for inkjets might be OK.
– Kevin Vermeer
Aug 19 '10 at 2:04
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What is a thread exit code?
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There actually doesn't seem to be a lot of explanation on this subject apparently but the exit codes are supposed to be used to give an indication on how the thread exited, 0 tends to mean that it exited safely whilst anything else ten...
mongo - couldn't connect to server 127.0.0.1:27017
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Normally this caused because you didn't start mongod process before you try starting mongo shell.
Start mongod server
mongod
Open another terminal window
Start mongo shell
mongo
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