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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
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The ISO C99 standard specifies that these macros must only be defined if explicitly requested.
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
... now PRIu64 will work
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How to convert UTF-8 byte[] to string?
I have a byte[] array that is loaded from a file that I happen to known contains UTF-8 .
15 Answers
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java get file size efficiently
While googling, I see that using java.io.File#length() can be slow.
FileChannel has a size() method that is available as well.
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How to forward declare a template class in namespace std?
and used that function in my main. I get errors. Of course, I know that there are more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it?
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Why use symbols as hash keys in Ruby?
A lot of times people use symbols as keys in a Ruby hash.
4 Answers
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Where is the WPF Numeric UpDown control?
Getting into the first serious WPF project. It seems like there are a lot of basic controls flat out missing. Specifically, I am looking for the Numeric UpDown control. Was there an out of band release that I missed? Really don't feel like writing my own control.
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How to Customize the time format for Python logging?
I am new to Python's logging package and plan to use it for my project. I would like to customize the time format to my taste. Here is a short code I copied from a tutorial:
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What does “atomic” mean in programming?
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
It can be anoying that jQuery event handlers always execute in the order they were bound. For example:
10 Answers
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Can the Unix list command 'ls' output numerical chmod permissions?
Is it possible when listing a directory to view numerical unix permissions such as 644 rather than the symbolic output -rw-rw-r--
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