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How to check if a file exists in Go?
... between checking and opening, and anyway you'll need to check the os.Open error regardless. So you simply call os.IsNotExist(err) after you try
to open the file, and deal with its non-existence there (if that requires special handling).
[...] You don't need to check for the paths existing ...
Python locale error: unsupported locale setting
Why do I get the following error when doing this in python:
20 Answers
20
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Express next function, what is it really for?
...te'). Do you now the purpose of these, when would you like to propagate an error, and when would you like to jump to a certain route?
– Andreas Selenwall
Oct 30 '12 at 6:23
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Android studio Gradle icon error, Manifest Merger
...
i have same error , just this code solve my problem , i want to share with you :
in Manifest.xml :
add this code in top of your xml file :
xmlns:tools="http://schemas.android.com/tools"
Then added :
tools:replace="android:icon,android:...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...lication it didn't start properly and in the unicorn.log file I found this error message:
app error: Missing `secret_key_base` for 'production' environment, set this value in `config/secrets.yml` (RuntimeError)
After some research I found out that Rails 4.1 changed the way to manage the secret_ke...
Adding a library/JAR to an Eclipse Android project
...essible to my project at compile time.But when I run the project, I get an error in my console: "Conversion to Dalvik format failed with error 1" .. and my project would not be launched!
– Zeba
Apr 12 '12 at 7:53
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how to prevent “directory already exists error” in a makefile when using mkdir
...y in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it.
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capturing self strongly in this block is likely to lead to a retain cycle
...ce: you're not wrong. I interpreted the question to be primarily about the error Xcode presents ("How can I avoid this warning in xcode"), rather than about the actual presence of a retain cycle. You're correct in saying no retain cycle is evident just from the snippet OP provided.
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How to solve Permission denied (publickey) error when using Git?
... with:
ssh -vT git@github.com
Source: https://help.github.com/articles/error-permission-denied-publickey/
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Maven error: Could not find or load main class org.codehaus.plexus.classworlds.launcher.Launcher
... answered I would like to add that, if you are getting the above mentioned error, be sure that you have downloaded the Binary file.
The source file should only be downloaded if you are an advanced user and that you know how to deal with it.
I have had quite a share of people downloading the wron...