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How to use XPath contains() here?
...ntains() examples around here, but nothing that uses an AND operator. I can't get this to work:
5 Answers
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Instance variable: self vs @
...always reports its age 10 years younger than it actually is. Or more practically, a PersistentPerson class might lazily read that data from a persistent store, cache all its persistent data in a hash.
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
...t
If you delete the file before the commit, svn has it in its records (because you added it) but cannot send it to the repository because the file no longer exist.
So either you want to save the file in the repository and then delete it from your working copy: In this case try to get your file ba...
How to remove a field from params[:something]
...tract! (has the ! bang operator) will modify the original so use with more care!
Original Answer
You can remove a key/value pair from a Hash using Hash#delete:
params.delete :company
If it's contained in params[:user], then you'd use this:
params[:user].delete :company
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How to pass argument to Makefile from command line?
...@ is an automatic variable for the name of the target of the rule, in this case "action".
filter-out is a function that removes some elements from a list. So $(filter-out bar, foo bar baz) returns foo baz (it can be more subtle, but we don't need subtlety here).
Put these together and $(filter-out...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
...d use N only when i am using following datatypes CHAR, VARCHAR or TEXT?? because ` NCHAR, NVARCHAR or NTEXT ` are inherently store UNICODE i do not require to add it seperatly ....does it true?
– Pritesh
Aug 4 '12 at 11:23
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Updating and committing only a file's permissions using git version control
...and you should see something like this:
[core]
filemode = false
You can either change it to true in your favorite text editor, or run:
git config core.filemode true
Then, you should be able to commit normally your files. It will only commit the permission changes.
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
Can someone explain why the result I want, "hi", is preceded with a letter 'b' and followed with a newline?
4 Answers
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Git diff between current branch and master but not including unmerged master commits
...syntax for this:
git diff master...branch
You must not swap the sides because then you would get the other branch. You want to know what changed in branch since it diverged from master, not the other way round.
Loosely related:
Finding a branch point with Git?
How can I see what branch another...
Can anyone explain python's relative imports?
I can't for the life of me get python's relative imports to work. I have created a simple example of where it does not function:
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