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C# Set collection?
...ample, you can quickly find the start and end point of a range and iterate from the start to the end, visiting items in key-order. SortedDictionary is roughly equivalent to std::set.
– doug65536
Feb 4 '13 at 7:43
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Convert string with commas to array
... @FarzadYZ Be careful with that (using eval). If the array contains values from client side input this will be insecure.
– Wilt
May 9 '16 at 12:01
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Does Python support short-circuiting?
...72]: name
Out[172]: '<Unkown>'
In other words, if the return value from raw_input is true (not an empty string), it is assigned to name (nothing changes); otherwise, the default '<unknown>' is assigned to name.
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vs in Generics
...sn't covariant, even though logically it should work, since string derives from object. Before variance in generic interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T...
Vim - how to run a command immediately when starting vim?
... *SHELL* *COMSPEC* *TERM*
2. Process the arguments
3. Execute Ex commands, from environment variables and/or files *vimrc* *exrc*
4. Load the plugin scripts. *load-plugins*
5. Set 'shellpipe' and 'shellredir'
6. Set 'updatecount' to zero, if "-n" command argument used...
Batch file to copy directories recursively
...copy all the files and subdirectories (including any empty subdirectories) from drive A to drive B, type:
xcopy a: b: /s /e
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Regular expression to match numbers with or without commas and decimals in text
... fair point. It might work with the latest edit. BTW, your downvote wasn't from me, since you pointed out the potential 1,11,11 match.
– Justin Morgan
May 6 '11 at 23:57
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How to undo a git merge with conflicts
I am on branch mybranch1 . mybranch2 is forked from mybranch1 and changes were made in mybranch2 .
6 Answers
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
I want to remove null=True from a TextField:
5 Answers
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Entity Framework - Start Over - Undo/Rollback All Migrations
...If you want to run enable-migrations again and you are developing database from scratch you just need to follow the last sentence: delete database and all migration related code. If you started using migrations with existing database you first have to revert all migrations by using the second or thi...