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Is there a VB.NET equivalent for C#'s '??' operator?
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To understand the previous comments, look at the edit history.
– Zev Spitz
Jul 11 '18 at 7:20
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Total number of items defined in an enum
...r answers below is listed as being problematic but both the Enum.GetValues and Enum.GetNames as listed above seem like they risk allocating a whole new array just to get a fixed length, which seems... well, horrible. Does anyone know if this approach does indeed incur dynamic allocation? If so, for ...
Thread vs ThreadPool
What is the difference between using a new thread and using a thread from the thread pool? What performance benefits are there and why should I consider using a thread from the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
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Add a number to each selection in Sublime Text 2, incremented once per selection
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I recommend the plugin Text Pastry. The Number Sequence command is the one you need.
I prefer to use the Insert Nums command:
Text Pastry has a build in support for the Insert Nums syntax by
providing three numbers separated by one space:
N M P
N: the start index.
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Turning multi-line string into single comma-separated
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You can use awk and sed:
awk -vORS=, '{ print $2 }' file.txt | sed 's/,$/\n/'
Or if you want to use a pipe:
echo "data" | awk -vORS=, '{ print $2 }' | sed 's/,$/\n/'
To break it down:
awk is great at handling data broken down into fi...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...ls tests using the Equals method, which by default uses reference equality and, since they are different objects, they are not equal. You'll want to compare each byte in the array and verify that they are equal. One way to do this is convert them to something that implements ICollection and use Co...
Upgrade python in a virtualenv
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Did you see this? If I haven't misunderstand that answer, you may try to create a new virtualenv on top of the old one. You just need to know which python is going to use your virtualenv (you will need to see your virtualenv version).
If your virtualenv is install...
Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st
...which I can clean a database in SQl Server 2005 by dropping all the tables and deleting stored procedures, triggers, constraints and all the dependencies in one SQL statement?
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When should I use a table variable vs temporary table in sql server?
...re details in table variable. It says that temp tables are always on disk, and table variables are in memory, that is to say, the performance of table variable is better than temp table because table variable uses less IO operations than temp table.
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Why does !{}[true] evaluate to true in JavaScript?
{}[true] is [true] and ![true] should be false .
10 Answers
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