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Return None if Dictionary key is not available
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Wonder no more. It's built into the language.
>>> help(dict)
Help on class ...
With arrays, why is it the case that a[5] == 5[a]?
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I wonder if it isn't more like *((5 * sizeof(a)) + a). Great explaination though.
– John MacIntyre
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How would you do a “not in” query with LINQ?
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For people who start with a group of in-memory objects and are querying against a database, I'v...
Rake just one migration
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This was for ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux] and Rails 3.2.13.
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How do I find a stored procedure containing ?
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Be aware routine_definition is cropped at 4000 chars just in case you have a long procedure. Use OBJECTPROPERTY method instead.
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Getting scroll bar width using JavaScript [duplicate]
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I tested this solution on Chrome 64 & FireFox 58, on Windows 10 and this works and by far the cleanest solution, in my opinion. I imagine @DavidGuan must be running on Mac OS X? In that case, scrollbars is an overlay and doesn't actually effect the geome...
Disabling the fullscreen editing view for soft keyboard input in landscape?
... jnicjnic
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Set margins in a LinearLayout programmatically
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So that works fine, but how on earth
do you give the buttons margins so
there is space b...
Linux command to print directory structure in the form of a tree
...hdir2
| | |-file2.txt
| | |-file3.sh
|-tmp
| |-json-c-0.11-4.el7_0.x86_64.rpm
Source: Comment from @javasheriff here. Its submerged as a comment and posting it as answer helps users spot it easily.
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How do you specify a byte literal in Java?
...ava's 'fill' method, this is most sensible.
– user1086498
Jul 11 '12 at 20:01
The compiler just complained about the f...