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What is the best way to uninstall gems from a rails3 project?
...es
EDIT - 24.12.2014
I see that people keep coming to this question I decided to add a little something.
The answer I gave was for the case when you maintain your gems global. Consider using a gem manager such as rbenv or rvm to keep sets of gems scoped to specific projects.
This means that no ge...
How to drop multiple columns in postgresql
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How do I delete/remove a shell function?
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Bash/sh - difference between && and ;
...ersion is more portable, e.g. will be supported by a bash-subset like Android's shell or so?
7 Answers
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git: How do I get the latest version of my code?
...eset the code
git fetch origin
git reset --hard origin/[tag/branch/commit-id usually: master]
Solution 2: Delete the folder and clone again :D
rm -rf [project_folder]
git clone [remote_repo]
Case 2: Care about local changes
Solution 1: no conflicts with new-online version
git fetch origin
g...
SQLAlchemy default DateTime
...se = declarative_base()
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
created_date = Column(DateTime, default=datetime.datetime.utcnow)
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How to break out of a loop in Bash?
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Custom exception type
...ge: "Error detected. Please contact the <a href=\"mailto:sysadmin@acme-widgets.com\">system administrator</a>.",
toString: function(){return this.name + ": " + this.message;}
};
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Difference between OperationCanceledException and TaskCanceledException?
...dn.microsoft.com/pfxteam/2012/03/05/… . Then if I throw an exception inside an await enumerable.ForEachAsync( async () => { throw new ApplicationException( "Test" ); } ); somehow it is 'changed' to a TaskCanceledException. Any idea how that might be? This is problem for me as I want to catch...
jquery UI dialog: how to initialize without a title bar?
...r {display:none}
too simple !! but i took 1 day to think why my previous id->class drilling method was not working. In fact when you call .dialog() method the div you transform become a child of another div (the real dialog div) and possibly a 'brother' of the titlebar div, so it's very difficu...