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Is there a method that works like start fragment for result?
...app, each of the steps I want to show in the overlay are their own screens and activities. There are 3 parts of the sign-in process and each had their own activity that was called with startActivityForResult().
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How to run a single test with Mocha?
...ngle test. Note that this greps across the names of all describe(name, fn) and it(name, fn) invocations.
Consider using nested describe() calls for namespacing in order to make it easy to locate and select particular sets.
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How do I change selected value of select2 dropdown with JqGrid?
...nation:
Say I have a best friend select with people's names. So Bob, Bill and John (in this example I assume the Value is the same as the name). First I initialize select2 on my select:
$('#my-best-friend').select2();
Now I manually select Bob in the browser. Next Bob does something naughty and ...
What is the easiest way to duplicate an activerecord record?
... Does this still work in Rails 3.1.0.beta? When I do q = p.clone, and then p == q, I get true back. On the other hand, if I use q = p.dup, I get false back when comparing them.
– Juno Woods
Feb 8 '11 at 2:10
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SQLite: How do I save the result of a query as a CSV file?
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From here and d5e5's comment:
You'll have to switch the output to csv-mode and switch to file output.
sqlite> .mode csv
sqlite> .output test.csv
sqlite> select * from tbl1;
sqlite> .output stdout
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Error when trying to obtain a certificate: The specified item could not be found in the keychain
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I solved it. Ensure you are in the "Certificates" section and you select "Apple Worldwide Developer Relations Certification Authority" before requesting a certificate.
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How do I clone a single branch in Git?
...g a shallow clone.
This makes git clone --depth 1 the easiest way to save bandwidth.
And since Git 1.9.0 (February 2014), shallow clones support data transfer (push/pull), so that option is even more useful now.
See more at "Is git clone --depth 1 (shallow clone) more useful than it makes out?".
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How to concatenate properties from multiple JavaScript objects
... many modern browsers but not yet all of them. Use a transpiler like Babel and Traceur to generate backwards-compatible ES5 JavaScript.
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Changing column names of a data frame
I have a data frame called "newprice" (see below) and I want to change the column names in my program in R.
16 Answers
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Git says “Warning: Permanently added to the list of known hosts”
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Solution: create a ~/.ssh/config file and insert the line:
UserKnownHostsFile ~/.ssh/known_hosts
You will then see the message the next time you access Github, but after that you'll not see it anymore because the host is added to the known_hosts file. This fi...