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Regex lookahead, lookbehind and atomic groups
... What do you mean by "finds the second bar" part? There is only one bar in the expression/string. Thanks
– ziggy
Feb 8 '14 at 11:22
3
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EF Migrations: Rollback last applied migration?
...le migrations
PM> Update-Database -TargetMigration:"CategoryIdIsLong"
One solution would be to create a wrapper PS script that automates the steps above. Additionally, feel free to create a feature request for this, or better yet, take a shot at implementing it! https://github.com/dotnet/ef6
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python list in sql query as parameter
...t up the list l, then use tuple, then pass the tuple into the query. well done.
– MEdwin
Nov 13 '18 at 10:25
12
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C# Java HashMap equivalent
Coming from a Java world into a C# one is there a HashMap equivalent? If not what would you recommend?
7 Answers
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What is the difference between `new Object()` and object literal notation?
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They both do the same thing (unless someone's done something unusual), other than that your second one creates an object and adds a property to it. But literal notation takes less space in the source code. It's clearly recognizable as to what is happening, so usin...
How can I put strings in an array, split by new line?
... I want to convert that string into an array, and for every new line, jump one index place in the array.
19 Answers
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python numpy ValueError: operands could not be broadcast together with shapes
...hape (97,2)
y, shape (2,1)
With Numpy arrays, the operation
X * y
is done element-wise, but one or both of the values can be expanded in one or more dimensions to make them compatible. This operation are called broadcasting. Dimensions where size is 1 or which are missing can be used in broadca...
How to set timeout on python's socket recv method?
... never block indefinitely. select() can also be used to wait on more than one socket at a time.
import select
mysocket.setblocking(0)
ready = select.select([mysocket], [], [], timeout_in_seconds)
if ready[0]:
data = mysocket.recv(4096)
If you have a lot of open file descriptors, poll() is ...
How to get current working directory in Java?
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One way would be to use the system property System.getProperty("user.dir"); this will give you "The current working directory when the properties were initialized". This is probably what you want. to find out where the java c...
SQL Server reports 'Invalid column name', but the column is present and the query works through mana
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I suspect that you have two tables with the same name. One is owned by the schema 'dbo' (dbo.PerfDiag), and the other is owned by the default schema of the account used to connect to SQL Server (something like userid.PerfDiag).
When you have an unqualified reference to a schema ...