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Android Studio: Plugin with id 'android-library' not found
I've been trying to get ActionBarSherlock to work and having some issue. One issue I've come across is the following message when trying to build it:
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Exit Shell Script Based on Process Exit Code
...o, in the code:
ls -al file.ext | sed 's/^/xx: /"
will not return an error code if the file doesn't exist (since the sed part of the pipeline actually works, returning 0).
The bash shell actually provides an array which can assist in that case, that being PIPESTATUS. This array has one element f...
Migrating from JSF 1.2 to JSF 2.0
I am working with a rather large app written in JSF 1.2 .
JSF 1.2 is around 6 years old now. I need to upgrade to JSF 2.0. How painful will this be? I noticed that some attributes in custom tags have been changed etc.
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How to pipe stdout while keeping it on screen ? (and not to a output file)
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Here is a solution that works at on any Unix / Linux implementation, assuming it cares to follow the POSIX standard. It works on some non Unix environments like cygwin too.
echo 'ee' | tee /dev/tty | foo
Reference: The Open Group Base Specificati...
How to add \newpage in Rmarkdown in a smart way?
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Simply \newpage or \pagebreak will work, e.g.
hello world
\newpage
```{r, echo=FALSE}
1+1
```
\pagebreak
```{r, echo=FALSE}
plot(1:10)
```
This solution assumes you are knitting PDF. For HTML, you can achieve a similar effect by adding a ...
Does name length impact performance in Redis?
I like to use verbose names in Redis, for instance set-allBooksBelongToUser:$userId .
4 Answers
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How to pass arguments into a Rake task with environment in Rails? [duplicate]
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TLDR;
task :t, [args] => [deps]
Original Answer
When you pass in arguments to rake tasks, you can require the environment using the :needs option. For example:
desc "Testing environment and variables"
task :hello, :message, :needs => :environment do |...
Can iterators be reset in Python?
Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
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JQuery to load Javascript file dynamically
...nly if the user clicks on a certain button. I am using jQuery as my framework. Is there a built-in method or plugin that will help me do this?
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What does bundle exec rake mean?
What does bundle exec rake db:migrate mean? Or just bundle exec rake <command> in general?
7 Answers
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