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cannot load such file — zlib even after using rvm pkg install zlib
...install 1.9.3
[Edit] As commenter @chrisfinne mentions, on CentOS/RedHat based systems:
$ sudo yum install zlib-devel
$ rvm reinstall 1.9.3
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
... to connect with the wrong username. ubuntu is the username for the ubuntu based AWS distribution, but on some others it's ec2-user (or admin on some Debians, according to Bogdan Kulbida's answer)(can also be root, fedora, see below)
Trying to connect the wrong host. Is that the right host you are ...
Can a dictionary be passed to django models on create?
...e instance of model
m = MyModel(**data_dict)
# don't forget to save to database!
m.save()
As for your second question, the dictionary has to be the final argument. Again, extra and extra2 should be fields in the model.
m2 =MyModel(extra='hello', extra2='world', **data_dict)
m2.save()
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What is the “reactor” in Maven?
...work done by reactor is:
Collecting the module details
Sorting the order based on dependencies
Building the projects in order
Starting with the 2.1 release, there are new command line options which allow you to manipulate the way Maven will build multi-module projects. These new options are:
-r...
Why does Git treat this text file as a binary file?
...t "think" UTF-16 is binary. It is binary, because text is defined as ASCII-based (that's the only thing the built-in diff will give usable results for) and UTF-16 is not. Yes, there is a way to tell git to use special diff for pattern defined files (using .gitattributes).
– Jan...
scopes with lambda and arguments in Rails 4 style?
...old style in Rails 4.2 was returning incorrect boolean values from the database. It may not be officially deprecated, but using the updated syntax fixed the issue.
– stevenspiel
May 13 '15 at 19:26
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Draw on HTML5 Canvas using a mouse
... likely because my resize function. I'm setting width and height of canvas based on window size. You should set these based on your <div class="container-fluid">.
– Matěj Pokorný
Apr 10 '17 at 10:53
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How to send only one UDP packet with netcat?
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For clarity, with Linux-based netcat, the -c option requires a command as an argument, which "executes the given argument via /bin/bash" - commandlinux.com/man-page/man1/nc.1.html
– Blake Neal
Aug 28 '19 at 15:...
iphone ios running in separate thread
...n_queue(), ^{
// Add code here to update the UI/send notifications based on the
// results of the background processing
});
});
If you haven't done so already, check out the videos from WWDC 2010 on libdispatch/GCD/blocks.
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How can I tell who forked my repository on GitHub?
...ry (from the part highlighted in the image). This information is generated based on comparison of repositories
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