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Rollback to an old Git commit in a public repo
...nt. This will apply changes to the whole tree. You should execute this command in the git project root. If you are in any sub directory, then this command only changes the files in the current directory. Then commit and you should be good.
You can undo this by
git reset --hard
that will delete ...
Shell script to send email [duplicate]
I am on linux machine and I monitor a process usage. Most of the time I will be away from my system and I have access to internet on my device. So I planned to write a shell-script that can mail me the output of the process.
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Medium-size Clojure sample application?
...ojure sample application that could be used as a "best-practices" example, and a good way to see what such an application would look like in terms of code and code organization? A web application would be particularly interesting to me, but most important is that the program do something commonly us...
“Cannot connect to iTunes Store” in-app purchases
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My error was simply not setting up a Sandbox User, I forgot that step. And don't log into it from the Settings >> iTunes section of the device b/c that will break it. Wait and do it during the actual testing.
– Nathan Prather
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Does “\d” in regex mean a digit?
I found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex.
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How to serialize a lambda?
...unnable & Serializable)() -> System.out.println("Serializable!");
And the lambda automagically becomes serializable.
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Why should I implement ICloneable in c#?
Can you explain to me why I should inherit from ICloneable and implement the Clone() method?
4 Answers
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How to optimize imports automatically after each save in IntelliJ IDEA
...o Optimize imports on the fly in Settings | Editor | General | Auto Import and Optimize imports option in the Commit Project dialog.
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
...t to use a certificate for my nodejs https server. I ran the following command:
7 Answers
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Passing by reference in C
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Because you're passing the value of the pointer to the method and then dereferencing it to get the integer that is pointed to.
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