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Returning a value from thread?
How do I return a value from a thread?
17 Answers
17
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Make xargs execute the command once for each line of input
... original question is really about point 2. above (as I think it is, after reading it a few times over) and it is to be read like this (changes in bold):
How can I make xargs execute the command exactly once for each argument of input given? Its default behavior is to chunk the input into argume...
Can I use the range operator with if statement in Swift?
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This version seems to be more readable than pattern matching:
if (200 ... 299).contains(statusCode) {
print("Success")
}
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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...und out that Rails 4.1 changed the way to manage the secret_key, so if you read the secrets.yml file located at exampleRailsProject/config/secrets.yml you'll find something like this:
# Do not keep production secrets in the repository,
# instead read values from the environment.
production:
secre...
How to refer to relative paths of resources when working with a code repository
...em using a different path separator in the future and want your code to be ready for it, os.pardir will be more portable. I'd make the case that every programmer, even one who never read any python knows the meaning of "..", while "os.pardir" is a level o f indirection one would have to look up in t...
how to use python to execute a curl command
... It seems there's a small typo in the headers, which should read 'Accept-Charset': 'UTF-8'
– Stephen Lead
Feb 4 '16 at 2:25
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When to use an assertion and when to use an exception
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A much better answer if posted by Gregory Pakosz, please read that post.
– ormurin
Dec 4 '19 at 9:07
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Why does C# allow {} code blocks without a preceding statement?
...erface implementation written in another language, and that implementation reads the variable before writing it.
– supercat
Jul 14 '15 at 17:25
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Import PEM into Java Key Store
...tificate .pem and this doesn't work. 1795:error:0906D06C:PEM routines:PEM_read_bio:no start line:/usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/pem/pem_lib.c:648:Expecting: TRUSTED CERTIFICATE
– Brian Knoblauch
Apr 16 '14 at 17:25
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How to fix 'sudo: no tty present and no askpass program specified' error?
..., I found:
sudo -S <cmd>
The -S (stdin) option causes sudo to read the password from the standard input instead of the terminal device.
Source
Above command still needs password to be entered. To remove entering password manually, in cases like jenkins, this command works:
echo <...