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Functional programming vs Object Oriented programming [closed]
I've been mainly exposed to OO programming so far and am looking forward to learning a functional language. My questions are:
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Elegant way to invert a map in Scala
...ded to invert a Map to do some inverted value->key lookups. I was looking for a simple way to do this, but came up with only:
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Multiple variables in a 'with' statement?
...ed, this guarantees that a and b will have their __exit__()'s called even if C() or it's __enter__() method raises an exception.
You can also use earlier variables in later definitions (h/t Ahmad below):
with A() as a, B(a) as b, C(a, b) as c:
doSomething(a, c)
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How to send a command to all panes in tmux?
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Have you tried following in tmux window with multiple panes
Ctrl-B :
setw synchronize-panes on
clear history
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file_put_contents - failed to open stream: Permission denied
I am trying to write a query to a file for debugging. The file is in database/execute.php . The file I want to write to is database/queries.php .
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Xcode “Build and Archive” from command line
Xcode 3.2 provides an awesome new feature under the Build menu, "Build and Archive" which generates an .ipa file suitable for Ad Hoc distribution. You can also open the Organizer, go to "Archived Applications," and "Submit Application to iTunesConnect."
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Get class name of object as string in Swift
Getting the classname of an object as String using:
31 Answers
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Is there a link to GitHub for downloading a file in the latest release of a repository?
Using GitHub's Release feature , it is possible to provide a link to download a specific version of the published software. However, every time a release is made, the gh-page also needs to be updated.
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How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
Imagine a simple unsorted list with some <li> items. Now, I have defined the bullets to be square shaped via list-style:square; However, if I set the color of the <li> items with color: #F00; then everything becomes red!
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Add UIPickerView & a Button in Action sheet - How?
My application requires following things to be added in an action sheet.
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