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Unresolved specs during Gem::Specification.reset:

... I was seeing this issue by just running RSpec on its own. From what I understand, this means that you have more than one version of the listed gems installed on your system, and RSpec is unsure which one to use. After uninstalling older version of t...
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How to tag an older commit in Git?

...e of the tag object; such data in the tag object affects, for example, the ordering of tags in the gitweb interface. To set the date used in future tag objects, set the environment variable GIT_COMMITTER_DATE (see the later discussion of possible values; the most common form is "YYYY-MM-DD HH:MM"). ...
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Objective-C: difference between id and void *

... will cause premature reaping of objects if _superPrivateDoNotTouch is actually an object. Don't do that. attempting to invoke a method on a reference of void * type will barf up a compiler warning. attempting to invoke a method on an id type will only warn if the method being called has not been d...
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Postgres - FATAL: database files are incompatible with server

...an run the below command to upgrade your postgres data directory retaining all data: brew postgresql-upgrade-database The above command is taken from the output of brew info postgres share | impr...
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What is a word boundary in regex?

... be "identifier" characters (alnums and underscore), not as anything especially useful for English. – hobbs Aug 24 '09 at 21:02 ...
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rsync exclude according to .gitignore & .hgignore & svn:ignore like --filter=:C

... pipes. Current solution saves the exclude file inside the .git folder in order to assure it will not affect git status while keeping it self contained. If you want you are welcome to use /tmp. share | ...
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Chrome sendrequest error: TypeError: Converting circular structure to JSON

...mit": null, "size": 0, "chunks": [], "writable": true, "readable": false, "_events": { "pipe": [null, null], "error": [null] }, "before": [null], "after": [], "response": { "output": [], "outputEncodings": [], "writable": true, "_last": false, "chunkedEncoding": false, ...
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Unloading classes in java?

... don't have their interactions clearly and rigorously defined. I think in order to actually be able to unload a class youlre going go have to remove all references to any classes(and their instances) you're trying to unload. Most people needing to do this type of thing end up using OSGi. OSGi is ...
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Static method behavior in multi-threaded environment in java

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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If I revoke an existing distribution certificate, will it mess up anything with existing apps?

...er weeks of trying to get the guy who has the key to sign the app, they finally came back and said, "Just get it done!". So I am wondering how to proceed. If I go into the provisioning portal, and revoke the dist certificate, and then re-assign one, will I then be able to sign the app and upload it ...