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Converting an integer to a hexadecimal string in Ruby
...printf("%02x", 10).upcase
see the documentation for sprintf here: http://www.ruby-doc.org/core/classes/Kernel.html#method-i-sprintf
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Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
... wont work in amzon ec2 instance, as they are not debian? any one know yum command for this
– Max
Feb 18 '16 at 13:20
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Is there an interpreter for C? [closed]
...o your needs.
A notable interpreter is "Ch: A C/C++ Interpreter for Script Computing" detailed in Dr. Dobbs:
Ch is a complete C interpreter that
supports all language features and
standard libraries of the ISO C90
Standard, but extends C with many
high-level features such as string
type and comput...
Where is debug.keystore in Android Studio
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C/C++ maximum stack size of program
...e at most ~100 bytes which should be sufficient for a DFS algorithm.
Most compilers including Visual Studio let you specify the stack size. On some (all?) linux flavours the stack size isn't part of the executable but an environment variable in the OS. You can then check the stack size with ulimit ...
Can “this” ever be null in Java?
...ennyTM: it is sufficient in Java. If you're using the this keyword and it compiles, it's not null when you observe it. But as others say that doesn't prevent an NPE when trying to invoke the method, e.g. But that's completely out of your control as a method and a null check within the method isn'...
UIScrollView Scrollable Content Size Ambiguity
...date:
Some special case is covered by this video posted by @Sergio in the comments below.
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Why do all browsers' user agents start with “Mozilla/”?
...tends to be Mozilla"
After trying everything, I have finally used: http://www.useragentstring.com/
You can use the above website to get the formatted user agent and OS.
They have an API which you can use directly...
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SSH to Elastic Beanstalk instance
... onto the server.
$ ssh -i path/to/keypair.pub ec2-user@ec2-an-ip-address.compute-1.amazonaws.com
Note: For adding a keypair to the environment configuration, the instances' termination protection must be off as Beanstalk would try to terminate the current instances and start new instances with t...