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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...ady be fetched and in cache, the branch target maybe or maybe not. With a 64 bit CPU you grab at least 64 bits at a time. Depending on DRAM interleave, it may be 2x 3x or more bits that get grabbed.
– Bryce
Feb 15 '17 at 19:39
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application/x-www-form-urlencoded or multipart/form-data?
...oose a more efficient encoding of binary data to save bandwidth (e.g. base 64 or even raw binary).
Why not use multipart/form-data all the time? For short alphanumeric values (like most web forms), the overhead of adding all of the MIME headers is going to significantly outweigh any savings from m...
How to get memory available or used in C#
...entProcess();
To get the current process and use:
proc.PrivateMemorySize64;
To get the private memory usage. For more information look at this link.
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How do I print the type of a variable in Rust?
...ree examples; this is a partially resolved type which could end up f32 or f64, depending on how you use it. “{float}” is not a legal type name, it’s a placeholder meaning “I’m not completely sure what this is”, but it is a floating-point number. In the case of floating-point variables, i...
RegEx match open tags except XHTML self-contained tags
...this answer’s content being resolved at this time. It is not currently accepting new interactions.
You can't parse [X]HTML with regex. Because HTML can't be parsed by regex. Regex is not a tool t...
Why does visual studio 2012 not find my tests?
...'s solution — Clean your solution/project.
My unittest project targets x64. When I created the project it was originally targeting x86.
After switching to x64 all my unit tests disappeared.
I had to go to the Test Menu -> Test Setting -Default Processor Architecture -> x64.
They still di...
How can I find the version of the Fedora I use?
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[Belmiro@HP-550 ~]$ uname -a
Linux HP-550 2.6.30.10-105.2.23.fc11.x86_64 #1 SMP Thu Feb 11 07:06:34 UTC 2010
x86_64 x86_64 x86_64 GNU/Linux
[Belmiro@HP-550 ~]$ lsb_release -a
LSB Version: :core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:deskt
op-3.1-amd64:desktop-3.1-noarch:des...
Is the size of C “int” 2 bytes or 4 bytes?
... int was 2 bytes. Nowadays, it's most often 4 bytes on a 32-bit as well as 64-bit systems.
Still, using sizeof(int) is the best way to get the size of an integer for the specific system the program is executed on.
EDIT: Fixed wrong statement that int is 8 bytes on most 64-bit systems. For example...
How do I decode a base64 encoded string?
I am trying to "decode" this following Base64 string:
2 Answers
2
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
...und my problem. The issue was that my integers were actually type numpy.int64.
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