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How to disable “Save workspace image?” prompt in R?
...ge?" prompt with a Ctrl+D.
Thus, if you do Ctrl+D twice in interactive R, then you exit R without saving your workspace.
(Tested on Linux and OS X)
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How to view file history in Git?
... whole file? Simply set "Lines of context" to a large value (e.g. 100000). Then you can flip back and forth between commits and see the entire file at different points in time. (You can also search within the file.)
– antinome
Jul 18 '14 at 22:47
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What's the difference between CSS classes .foo.bar (without space) and .foo .bar (with space) [dupli
...l.
If you want to set CSS tags that apply for multiple classes separately then you need to split them up using a comma. So it looks like this:
.element, .symbol {}
Edit: By request the link to the documentation of the CSS selectors.
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
... convert your object into a dataframe first:
df = pd.DataFrame(obj)
and then save this dataframe in a json file:
df.to_json(path_or_buf='df.json')
Hope this helps
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Javascript: Round up to the next multiple of 5
...ewise, to always round down, use Math.floor instead of Math.round.
You can then call this function like you would any other. For example,
roundToNearest5(21)
will return:
20
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Keyboard shortcut to “untab” (move a block of code to the left) in eclipse / aptana?
...ooking here, but you can do this by going to Window menu > Preferences, then open the General list, choose keys. Scroll down the list of keys until you see "Shift Left". Click that. Below that you'll see some boxes, one of which lets you bind a key. It won't accept Shift-Tab, so I bound it to Shi...
How to loop through an associative array and get the key? [duplicate]
...for when you want to combine two subsequent array items together. i+=2 and then using $array[$keys[$i]]."_".$array[$keys[$i+1]] Just incase someone else has this same problem
– Keeghan McGarry
Jan 12 '18 at 10:49
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How to set cursor position in EditText?
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Let editText2 is your second EditText view .then put following piece of code in onResume()
editText2.setFocusableInTouchMode(true);
editText2.requestFocus();
or put
<requestFocus />
in your xml layout of the second EditText view.
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Difference between viewDidLoad and viewDidAppear
...her views) is unloaded by older versions of iOS in a low memory situation, then the view controller will automatically reload the view upon needing to be re-displayed on screen. In later versions of iOS you may choose to help reduce memory usage by doing what earlier iOS did for you: Unload offscree...
Get selected option text with JavaScript
...his.selectedIndex.
Edit: You'll need to get the option element first and then use innerHTML.
Use this.text instead of this.selectedIndex.
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