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Behaviour of increment and decrement operators in Python
...d to be consistent and readable.
Confusing side-effects. One common newbie error in languages with ++ operators is mixing up the differences (both in precedence and in return value) between the pre- and post-increment/decrement operators, and Python likes to eliminate language "gotcha"-s. The preced...
What is the JavaScript >>> operator and how do you use it?
...be arbitrarily set to anything that is not an integer or 0 (FF throws this error: RangeError: invalid array length).
– Justin Johnson
Nov 30 '09 at 22:43
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XML Validation with XSD in Visual Studio IDE
...ns, pick the Use one with the green checkmark:
Make sure Visual Studio's Error List windows is visible (menu View > Error List). This will show all inconsistencies between XML and XSD schema definitions.
Once all of that is in place, the Visual Studio XML editor should highlight problems with y...
How to copy data to clipboard in C#
...xception see "Current thread must be set to single thread apartment (STA)" error in copy string to clipboard
This question/answer covers regular .NET, for .NET Core see - .Net Core - copy to clipboard?
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Selecting with complex criteria from pandas.DataFrame
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Don't forget the parentheses - you'll get weird errors like {TypeError}cannot compare a dtyped [int64] array with a scalar of type [bool]
– Mr_and_Mrs_D
Feb 9 '18 at 0:20
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How to add an extra source directory for maven to compile and include in the build jar?
... a plugin for m2e, the build helper connector. I did it, and the lifecycle error is gone.
– Alexis Dufrenoy
Feb 1 '16 at 16:42
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Why does Math.round(0.49999999999999994) return 1?
...re are no doubt many other floating point values affected by this rounding error.
– Michaël Roy
Dec 10 '17 at 5:49
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Running a specific test case in Django when your app has a tests directory
... Attention people like me who blindly paste from Stackoverflow: This will error without the mentioned plugin, use the syntax described in the other answer (. instead of :) which works in Django 1.6+.
– Andy Smith
Oct 8 '16 at 11:11
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Are email addresses case sensitive?
...not get delivered. So how you treat it depends on what the consequences of error are and what you're doing with the email addresses at that time (collating a list of unique addresses, sending an email, etc).
– Peter Bagnall
Sep 12 '14 at 9:32
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Struct like objects in Java
...rning polar coordinates from an (x, y) object - consider ACCUMULATIVE math errors, as changes to individual components of polar coord are converted back to (x, y).
– ToolmakerSteve
Jun 17 '14 at 22:29
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