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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
...
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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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...
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...
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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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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Code Golf: Collatz Conjecture
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why is this accepted? it's not the shortest one and it doesn't print the first number
– Claudiu
Mar 8 '10 at 6:25
1
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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...