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Reset all changes after last commit in git
...the last commit, including deleting added files, resetting modified files, and adding back deleted files?
3 Answers
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Can I convert long to int?
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Just do (int)myLongValue. It'll do exactly what you want (discarding MSBs and taking LSBs) in unchecked context (which is the compiler default). It'll throw OverflowException in checked context if the value doesn't fit in an int:
int myIntValue = unchecked((int)myLongValue);
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“Header Search Paths” vs. “User Header Search Paths” in Xcode?
...he User Header Search Paths for paths you want searched for #include "..." and use the Header Search Paths for #include <...>. Of course, if you check the option to Always Search User Paths, then #include <...> will also work for the user paths.
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Run class in Jar file
If you have a jar file called myJar.jar located in /myfolder and you want to use the class called myClass from it, how do you go about doing it from the command line?
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ACE vs Boost vs POCO [closed]
...work programming. However I was introduced to two other libraries: POCO and Adaptive Communication Environment (ACE) framework . I would like to know the good and bad of each.
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Automatic post-registration user authentication
We're building a business app from the ground up in Symfony 2, and I've run into a bit of a snag with the user registration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
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Github: error cloning my private repository
...ermission denied. Ran "C:\Program Files\Git\git-bash.exe" as administrator and tried again and it worked. Thanks!
– AXO
Dec 26 '15 at 2:49
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MongoDB: How to query for records where field is null or not set?
...not set then:
db.emails.count({sent_at: {$exists: false}})
If its there and null, or not there at all:
db.emails.count({sent_at: null})
Refer here for querying and null
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Should Gemfile.lock be included in .gitignore?
I'm sort of new to bundler and the files it generates. I have a copy of a git repo from GitHub that is being contributed to by many people so I was surprised to find that bundler created a file that didn't exist in the repo and wasn't in the .gitignore list.
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Keep ignored files out of git status
...howing ignored files in git status , because having tons of documentation and config files in the list of Changed but not updated files, renders the list half-useless.
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