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How can I strip first X characters from string using sed?
...I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
11 Answers
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git diff file against its last change
...re shown.
--follow is required to see changes that occurred prior to a rename.
As far as I can tell, this is the only way to immediately see the last set of changes made to a file without using git log (or similar) to either count the number of intervening revisions or determine the hash of the co...
How do I capture the output into a variable from an external process in PowerShell?
... @stej, you're right. I was mainly clarifying that the code in your comment had different functionality to the code in the answer. Beginners like me can can thrown off by subtle differences in behaviour like these!
– Sam
Sep 9 '13 at 22:04
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POSTing a @OneToMany sub-resource association in Spring Data REST
...ost which has the @OneToMany relationship to another domain entity, Comment . These classes are structured as follows:
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On EC2: sudo node command not found, but node without sudo is ok
...
Yes, it is a bit annoying but you can fix it with some links:
sudo ln -s /usr/local/bin/node /usr/bin/node
sudo ln -s /usr/local/lib/node /usr/lib/node
sudo ln -s /usr/local/bin/npm /usr/bin/npm
sudo ln -s /usr/local/bin/node-waf /usr/bin/node-waf
There might be more but th...
Pipe subprocess standard output to a variable [duplicate]
...okens as I've done below, or the alternative is to pass the shell=True argument but this fires up a fully-blown shell which can be dangerous if you don't control the contents of the command string.
>>> proc = subprocess.Popen(['cdrecord', '--help'], stderr=subprocess.PIPE)
>>> out...
Google Espresso or Robotium [closed]
...ure: I am one of Espresso's authors.
Both Espresso and Robotium are instrumentation-based frameworks, meaning they use Android Instrumentation to inspect and interact with Activities under test.
At Google, we started out by using Robotium because it was more convenient than stock instrumentation (...
Abstract functions in Swift Language
...aseClass {
func abstractFunction() {
preconditionFailure("This method must be overridden")
}
}
class SubClass : BaseClass {
override func abstractFunction() {
// Override
}
}
share
...
What's the difference between a proxy server and a reverse proxy server? [closed]
...previous answers were accurate, but perhaps too terse.
I will try to add some examples.
First of all, the word "proxy" describes someone or something acting on behalf of someone else.
In the computer realm, we are talking about one server acting on the behalf of another computer.
For the purposes...
Code signing certificate for open-source projects?
...ficate.) I want to do this so anyone can check that this build was made by me, not by someone else. I also want to create a secure website with a valid SSL certificate so visitors can create their own accounts in a secure way so they can contribute to this project.
...