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Linq to Entities join vs groupjoin
... [b1, b2]
C []
So Join produces a flat (tabular) result of parent and child values.
GroupJoin produces a list of entries in the first list, each with a group of joined entries in the second list.
That's why Join is the equivalent of INNER JOIN in SQL: there are no entries for C. While Group...
Find the files that have been changed in last 24 hours
...ed in the last 24 hours (last full day) in a particular specific directory and its sub-directories:
find /directory_path -mtime -1 -ls
Should be to your liking
The - before 1 is important - it means anything changed one day or less ago.
A + before 1 would instead mean anything changed at least o...
How to dismiss the dialog with click on outside of the dialog?
...h event outside its visible region.
3 - Override onTouchEvent() of dialog and check for action type. if the action type is
'MotionEvent.ACTION_OUTSIDE' means, user is interacting outside the dialog region. So in this case, you can dimiss your dialog or decide what you wanted to perform.
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Cast to int vs floor
... Even when the result is positive it's not guaranteed. See this and this.
– user202729
May 16 '18 at 3:38
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How to disable word-wrap in Xcode 4 editor?
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Go to Xcode Preferences -> Text Editing -> Indentation and deselect Line wrapping.
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Access event to call preventdefault from custom function originating from onclick attribute of tag
...e. older versions of IE will still require detection inside of your event handler function to look at window.event).
A quick example.
function sayHi(e) {
e.preventDefault();
alert("hi");
}
<a href="http://google.co.uk" onclick="sayHi(event);">Click to say Hi</a>
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How do I horizontally center an absolute positioned element inside a 100% width div? [duplicate]
In the example below, #logo is positioned absolutely and I need it to be horizontally centered within #header . Normally, I would do a margin:0 auto for relatively positioned elements but I am stuck here. Can someone show me the way?
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How to swap keys and values in a hash
How do I swap keys and values in a Hash?
6 Answers
6
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recursively add file extension to all files
I have a few directories and sub-directories containing files with no file extension. I want to add .jpg to all the files contained within these directories. I've seen bash scripts for changing the file extension but not for just adding one. It also needs to be recursive, can someone help please?
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Inverse dictionary lookup in Python
... .index only needs to guarantee that it returns a single value and it does not need to be lexically first only that it be the first match and that it's behavior is stable (multiple calls on same dict over time should yield same matching element). Unless dictionaries rearrange their unmo...