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Why does struct alignment depend on whether a field type is primitive or user-defined?
...ge of time we're interested in. That has prompted me to investigate the memory usage of the (many) structs of Noda Time, which has in turn led me to uncover a slight oddity in the CLR's alignment decision.
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What is the meaning of the term “thread-safe”?
... it mean that two threads can't change the underlying data simultaneously? Or does it mean that the given code segment will run with predictable results when multiple threads are executing that code segment?
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Get Context in a Service
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I had this problem, but it turned out that it was the worker thread that had no context. I solved it my passing a context when constructing the thread.
– ctrl-alt-delor
Jan 31 '13 at 9:19
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Add one row to pandas DataFrame
...dex i will be what you specify it to be in the dataframe.
>>> import pandas as pd
>>> from numpy.random import randint
>>> df = pd.DataFrame(columns=['lib', 'qty1', 'qty2'])
>>> for i in range(5):
>>> df.loc[i] = ['name' + str(i)] + list(randint(10,...
Why am I getting a NoClassDefFoundError in Java?
I am getting a NoClassDefFoundError when I run my Java application. What is typically the cause of this?
27 Answers
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Applying a git post-commit hook to all current and future repos
I've written a Git post-commit hook and it works correctly. However, I want to add this hook to apply to all current (and future) git repositories I am working on. I tried adding the hook to my ~/.git/hooks/ instead of in the hooks directory in the project directory, however, this did not seem t...
What are the barriers to understanding pointers and what can be done to overcome them? [closed]
Why are pointers such a leading factor of confusion for many new, and even old, college level students in C or C++? Are there any tools or thought processes that helped you understand how pointers work at the variable, function, and beyond level?
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What is __declspec and when do I need to use it?
...pecific extension to the C++ language which allows you to attribute a type or function with storage class information.
Documentation
__declspec (C++)
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What does multicore assembly language look like?
Once upon a time, to write x86 assembler, for example, you would have instructions stating "load the EDX register with the value 5", "increment the EDX" register, etc.
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IPN vs PDT in Paypal
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The APIs for PDT and IPN are similar. The main difference is when you receive the notification. For that reason I would recommend implementing both.
With PDT you get the notification instantly and can do any additional processing r...