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How to use multiple AWS Accounts from the command line?
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You should be able to use the following command-options in lieu of the EC2_PRIVATE_KEY (and even EC2_CERT) environment variables:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instan...
grep a file, but show several surrounding lines?
... would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this?
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Random date in C#
I'm looking for some succinct, modern C# code to generate a random date between Jan 1 1995 and the current date.
7 Answers
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What does ':' (colon) do in JavaScript?
I'm learning JavaScript and while browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
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Convert InputStream to byte array in Java
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You can use Apache Commons IO to handle this and similar tasks.
The IOUtils type has a static method to read an InputStream and return a byte[].
InputStream is;
byte[] bytes = IOUtils.toByteArray(is);
Internally this creates a ByteArrayOutputStream and co...
Timeout a command in bash without unnecessary delay
This answer to Command line command to auto-kill a command after a certain amount of time
23 Answers
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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In Xcode, how to suppress all warnings in specific source files?
...lication I use 3rd party code that triggers some warnings. I reviewed them and they can be safely ignored.
3 Answers
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What are these attributes: `aria-labelledby` and `aria-hidden`
...sible Rich Internet Applications (ARIA) defines ways to make Web
content and Web applications (especially those developed with Ajax and
JavaScript) more accessible to people with disabilities.
To be precise for your question, here is what your attributes are called as ARIA attribute states and...
Display date/time in user's locale format and time offset
I want the server to always serve dates in UTC in the HTML, and have JavaScript on the client site convert it to the user's local timezone.
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