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E731 do not assign a lambda expression, use a def

...rst form means that the name of the resulting function object is specifically 'f' instead of the generic '<lambda>'. This is more useful for tracebacks and string representations in general. The use of the assignment statement eliminates the sole benefit a lambda expression can offer o...
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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]

... That's simpler than trying to work out which variant of sed you have installed or other gizmos I've seen suggested. I hope you keep the file under version control (or otherwise backed up) so that you can recover if there's a bug in your sed script. Of course, the .bak file gives you that protect...
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Reducing the space between sections of the UITableView

... viewForHeaderInSection:(NSInteger)section { return [[UIView alloc] initWithFrame:CGRectZero]; } - (UIView*)tableView:(UITableView*)tableView viewForFooterInSection:(NSInteger)section { return [[UIView alloc] initWithFrame:CGRectZero]; } Change the values accordingly...
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How do I turn a python datetime into a string, with readable format date?

... The datetime class has a method strftime. The Python docs documents the different formats it accepts: Python 2: strftime() Behavior Python 3: strftime() Behavior For this specific example, it would look something like: my_datetime.strftime("%B %d, %Y") ...
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Where in an Eclipse workspace is the list of projects stored?

...e.resources/.projects/ Your project can exist outside the workspace, but all Eclipse-specific metadata are stored in that org.eclipse.core.resources\.projects directory share | improve this answer...
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Static methods in Python?

Is it possible to have static methods in Python which I could call without initializing a class, like: 10 Answers ...
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How to get the source directory of a Bash script from within the script itself?

...ive you the full directory name of the script no matter where it is being called from. It will work as long as the last component of the path used to find the script is not a symlink (directory links are OK). If you also want to resolve any links to the script itself, you need a multi-line solution...
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What is “lifting” in Haskell?

...ill now refute me by showing how lifts are a category or something). Typically you have some data type with a parameter. Something like data Foo a = Foo { ...stuff here ...} Suppose you find that a lot of uses of Foo take numeric types (Int, Double etc) and you keep having to write code that un...
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Get started with Latex on Linux [closed]

... First you'll need to Install it: If you're using a distro which packages LaTeX (almost all will do) then look for texlive or tetex. TeX Live is the newer of the two, and is replacing tetex on most distributions now. If you're using Debian or Ubunt...
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How to perform a mysqldump without a password prompt?

... Since you are using Ubuntu, all you need to do is just to add a file in your home directory and it will disable the mysqldump password prompting. This is done by creating the file ~/.my.cnf (permissions need to be 600). Add this to the .my.cnf file [m...