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You have already activated X, but your Gemfile requires Y
...way to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one ...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...rade;
proxy_set_header Connection "upgrade";
proxy_read_timeout 86400;
}
You can also check the nginx changelog and the WebSocket proxying documentation.
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Authorize Attribute with Multiple Roles
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answered Jun 12 '14 at 10:39
MacGyverMacGyver
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Execute AsyncTask several times
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edited Jun 20 at 9:12
Community♦
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answered Jun 16 '11 at 14:49
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Split comma-separated strings in a column into separate rows
...ckage (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20 rows are simply repeated 1, 10, 100, 1000, 10000, and 100000 times which give problem sizes of up to 2 million rows.
Benchmark results
The benchmark results show that for su...
Matching a space in regex
...s is (note the space inside the regex):
$newtag = preg_replace ("/[^a-zA-Z0-9 ]/", "", $tag);
# ^ space here
If you also want trickery to ensure there's only one space between each word and none at the start or end, that's a little more complicated (and probably...
Position icons into circle
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2020 solution
Here's a more modern solution I use these days.
I start off by generating the HTML starting from an array of images. Whether the HTML is generated using PHP, JS, some HTML preprocessor, whatever... this matters l...
Multi-line commands in GHCi
...a.
– Daniel Wagner
Dec 9 '11 at 12:40
Thanks. I also noticed that in other let/where blocks. This is a big difference ...
How to create the branch from specific commit in different branch
...where your HEAD is.
What you are doing:
git checkout dev
git branch test 07aeec983bfc17c25f0b0a7c1d47da8e35df7af8
First, you set your HEAD to the branch dev,
Second, you start a new branch on commit 07aeec98. There is no bb.txt at this commit (according to your github repo).
If you want to st...
How do I make and use a Queue in Objective-C?
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