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SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

...L Certificate Authority (CA) bundle. You can do this with: sudo port install curl-ca-bundle [if you are using MacPorts] or just pull it down directly wget http://curl.haxx.se/ca/cacert.pem Execute the ruby code that is trying to verify the SSL certification: SSL_CERT_FILE=/opt/local/etc/certs/ca...
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How can I concatenate NSAttributedStrings?

... NSMutableAttributedString *mutableAttString = [[NSMutableAttributedString alloc] init]; NSString *plainString = // ... NSDictionary *attributes = // ... a dictionary with your attributes. NSAttributedString *newAttString = [[NSAttributedString alloc] initWithString:plainString attributes:attribute...
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Insert a line at specific line number with sed or awk

... mac users: with homebrew, brew install gnu-sed and then use this with gsed – cwd Jan 10 '15 at 17:58 4 ...
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Implementation difference between Aggregation and Composition in Java

...e) and aggregation as a weak association (a Car without an Engine makes totally sense, it doesn't even need one in its constructor). Which one to use? Depends on the context. – Federico Pugnali Oct 26 '12 at 19:31 ...
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Python pandas Filtering out nan from a data selection of a column of strings

... Just drop them: nms.dropna(thresh=2) this will drop all rows where there are at least two non-NaN. Then you could then drop where name is NaN: In [87]: nms Out[87]: movie name rating 0 thg John 3 1 thg NaN 4 3 mol Graham NaN 4 lob N...
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Is there ever a time where using a database 1:1 relationship makes sense?

... A 1:1 relationship typically indicates that you have partitioned a larger entity for some reason. Often it is because of performance reasons in the physical schema, but it can happen in the logic side as well if a large chunk of the data is expected...
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Using an SSH keyfile with Fabric

...or some reason. I wrote a blog post about it (with a matching gist). Basically, the usage goes something like this: from fabric.api import * env.hosts = ['host.name.com'] env.user = 'user' env.key_filename = '/path/to/keyfile.pem' def local_uname(): local('uname -a') def remote_uname(): ...
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GitHub pull request showing commits that are already in target branch

... This answer doesn't fix the problem, but just allows the user to see the true diff. – FearlessFuture Jun 28 '16 at 3:14 4 ...
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Sticky sidebar: stick to bottom when scrolling down, top when scrolling up

...e very nice and ilustrative image. I know it's an old question, but I casually found the same question posted by you in forum.jquery.com and one answer there (by@tucker973), suggested one nice library to make this and wanted to share it here. It's called sticky-kit by @leafo github proyect webpa...
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Record file copy operation with Git

...n (-C implies -M), and you can request more expensive copy detection among all files with --find-copies-harder or -C -C (which implies -C, which implies -M). See the git-diff manpage. You can also configure git to always do rename detection by setting diff.renames to a boolean true value (e.g. true...