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How can I multiply all items in a list together with Python?
...atch out for: 1) It might overflow, especially if using the default numpy.int32 as above 2) For small lists this will be significantly slower, since NumPy needs to allocate an array (relevant if repeated often)
– Disenchanted
Nov 28 '17 at 10:09
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What is “Orthogonality”?
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That's an interesting question @yannbane. In theory, depending on the theoretical functional language, it may be true. In practice no, even functional languages have ways to change state.
– C. Ross
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Get first n characters of a string
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This functionality has been built into PHP since version 4.0.6. See the docs.
echo mb_strimwidth('Hello World', 0, 10, '...');
// outputs Hello W...
Note that the trimmarker (the ellipsis above) are included in the truncated length.
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What does multicore assembly language look like?
...r-SIPI. As part of its initialization, the primary thread sends a special inter-processor-interrupt (IPI) over the APIC called a SIPI (Startup IPI) to each thread that is in WFS. The SIPI contains the address from which that thread should start fetching code.
This mechanism allows each thread to ...
If my interface must return Task what is the best way to have a no-operation implementation?
In the code below, due to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method...
How to do joins in LINQ on multiple fields in single join
...would perform a filter on a larger dataset that could have been reduced by introducing the second join parameter. I do like the idea of ordering to test if I can get efficiency gains
– johnc
Dec 17 '08 at 12:55
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Why doesn't JUnit provide assertNotEquals methods?
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I appreciate the pointer to the alternate assertion syntax, but pointing elsewhere doesn't answer why JUnit never provided assertNotEquals().
– seh
May 31 '10 at 14:30
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...simply execute TimeSpan.FromSeconds(2.0) and stick the bytes of the result into your compiled code.
As an example, consider if you tried to use DateTime.Now instead. The value of DateTime.Now changes every time it's executed. Or suppose that TimeSpan.FromSeconds took into account gravity. It's an a...
How do you use script variables in psql?
...iable as such ...
\set myvariable 'value'
However, if, like me, you ran into a situation in which you wanted to make a string from an existing variable, I found the trick to be this ...
\set quoted_myvariable '\'' :myvariable '\''
Now you have both a quoted and unquoted variable of the same st...
How do you debug MySQL stored procedures?
...e as it runs. This allows me to see the value of any variable at a given point in the script, but is there a better way to debug MySQL stored procedures?
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