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Volatile Vs Atomic [duplicate]
...rite -- such as i++, which is equivalent to i = i + 1, which does one read and one write -- is not atomic, since another thread may write to i between the read and the write.
The Atomic classes, like AtomicInteger and AtomicReference, provide a wider variety of operations atomically, specifically i...
Fastest way to check if a value exists in a list
...to know if a value exists in a list (a list with millions of values in it) and what its index is?
13 Answers
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Using try vs if in python
...er LBYL style ("look before you leap"). To me, it's a matter of efficiency and readability.
In your example (say that instead of returning a list or an empty string, the function were to return a list or None), if you expect that 99 % of the time result will actually contain something iterable, I'd...
What's the purpose of the LEA instruction?
For me, it just seems like a funky MOV. What's its purpose and when should I use it?
16 Answers
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Rails 4: assets not loading in production
I'm trying to put my app into production and image and css asset paths aren't working.
18 Answers
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How did I get a value larger than 8 bits in size from an 8-bit integer?
... occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefined behavior as long as sizeof(char) < sizeof(int) . But that doesn't explain how c is getting an impossible value. As an 8-bit integer, how can c hold values gr...
The difference between the Runnable and Callable interfaces in Java
What is the difference between using the Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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What are the most common naming conventions in C?
...e GTK+ coding convention, which can be summarized as follows:
All macros and constants in caps: MAX_BUFFER_SIZE, TRACKING_ID_PREFIX.
Struct names and typedef's in camelcase: GtkWidget, TrackingOrder.
Functions that operate on structs: classic C style: gtk_widget_show(), tracking_order_process().
P...
read.csv warning 'EOF within quoted string' prevents complete reading of file
...112,544 rows. When I read it into R with read.csv I only get 56,952 rows and this warning:
8 Answers
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VBA - how to conditionally skip a for loop iteration
...er an array. What I want to do is test for a certain condition in the loop and skip to the next iteration if true:
6 Answer...