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how to solve “ruby installation is missing psych” error?
...installed prior to the steps above:
sudo apt-get install libtool
For macOS users (with homebrew):
rm -rf /usr/local/lib/ruby/gems/ && brew reinstall ruby
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How to assign a Git SHA1's to a file without Git?
...ding.ASCII.GetBytes
|> (new System.Security.Cryptography.SHA1CryptoServiceProvider()).ComputeHash
|> Array.fold (fun acc e ->
let t = System.Convert.ToString(e, 16)
if t.Length = 1 then acc + "0" + t else acc + t)
""
/// Calculates the SHA1 lik...
Get Image size WITHOUT loading image into memory
...om PIL. I cannot however find an official doc link on the web. If someone posts it as a comment I'll update the answer. The quote can be found in the file Docs/PIL.Image.html.
– Hooked
Sep 26 '13 at 17:51
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Pod install is staying on “Setting up CocoaPods Master repo”
...
You could try running in verbose mode:
pod install --verbose
This'll show you what cocoapods is up to:
Setting up CocoaPods master repo
Cloning spec repo `master` from `https://github.com/CocoaPods/Specs.git` (branch `master`)
$ /usr/bin/git clone...
Will docker container auto sync time with the host machine?
...o periodically sync the time or the container will sync the time from its host machine?
6 Answers
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How do I choose between Semaphore and SemaphoreSlim?
... system-wide. This would mean that a SemaphoreSlim could not be used for cross-process synchronization.
The MSDN documentation also indicates that SemSlim should be used when "wait times are expected to be very short". That would usually dovetail nicely with the idea that the slim version is more l...
How to use sed to replace only the first occurrence in a file?
...the 0 with a 1, so: sed '1,/RE/s//to_that/' file
– mhost
Oct 5 '14 at 1:24
13
Could somebody plea...
Different font size of strings in the same TextView
...e length of the string. IndexOutOfBoundsException: indicating wrong index position for start and end of span. in the above Hello length is 5 so i applied span from index 0 to 5
– Raghunandan
May 2 '13 at 11:12
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Number of processors/cores in command line
...
The most simplest tool comes with glibc and is called getconf:
$ getconf _NPROCESSORS_ONLN
4
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How to set environment variables in Jenkins?
...step and set "Properties File Path" to propsfile.
Note: This plugin is (mostly) not compatible with the Pipeline plugin.
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