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bash assign default value
... @DanMoulding: what about : ${VERY_LONG_VARIABLE_NAME:=hello} vs. : VERY_LONG_VARIABLE_NAME=${VERY_LONG_VARIABLE_NAME:-hello}. I hope you use descriptive variable names in your code :)
– pihentagy
Mar 5 '14 at 14:12
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What is the relationship between the docker host OS and the container base image OS?
...rized. If the application requires a different kernel revision (e.g. 3.10 vs. 4.9) then it may not be able to run in a container. Is that right?
– David C.
Jul 13 '17 at 16:25
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ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8
...rking correctly with IIS8. In fact if you install the release candidate of VS 2012 and create a new WEB API project you'll find that the sample PUT and DELETE methods return 404 errors out of the box.
To use the PUT and DELETE verbs with the Web API you need to edit %userprofile%\documents\iisexpre...
How do I search within an array of hashes by hash values in ruby?
...ou're looking for ONE match @fathers.select {|f| f["age"] > 35 }.first vs @fathers.detect {|f| f["age"] > 35 } for performance and readability, my vote goes for detect
– Naveed
Sep 5 '17 at 20:26
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How to use OpenSSL to encrypt/decrypt files?
...ng GPG instead for the purpose of encryption based on this article OpenSSL vs GPG for encrypting off-site backups?
To use GPG to do the same you would use the following commands:
To Encrypt:
gpg --output encrypted.data --symmetric --cipher-algo AES256 un_encrypted.data
To Decrypt:
gpg --output...
Centering a div block without the width
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The idea here is that you contain the content you want to center in two divs, an outer one and an inner one. You float both divs so that their widths automatically shrink to fit your content. Next, you relatively position the outer div with it's right edge in the center of the container. Lastly,...
How can I run PowerShell with the .NET 4 runtime?
...ide-effects if you're doing multi-targeting (i.e. writing .NET 2.0 apps in VS2010). Beware.
– Todd Sprang
Dec 16 '11 at 19:14
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How do I specify a pointer to an overloaded function?
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@BenVoigt Hmm, I tested this on vs2010 and couldn't find a case where the static_cast wouldn't catch the problem at compile time. It gave a C2440 with "None of the functions with this name in scope match the target type". Can you clarify?
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can't push to branch after rebase
...s why you may get multiple conflict resolution prompts when doing a rebase vs the one conflict resolution you may get with a merge. You have the opportunity to resolve a conflict on EACH commit that is being rebased in order to otherwise preserve your commits.)
You never want to push rebased chang...
Unmangling the result of std::type_info::name
...ents note the Clang implementation as capable of more demangling, somehow, vs. GCC.
– fish2000
Dec 2 '15 at 12:01
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