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How to read keyboard-input?
... Sleep for a short time to prevent this thread from sucking up all of your CPU resources on your PC.
time.sleep(0.01)
print("End.")
# If you run this Python file directly (ex: via `python3 this_filename.py`), do the following:
if (__name__ == '__main__'):
main()
Sample output:
...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
...vaScript console to run that code in a tab if you want, and then watch the CPU-usage in the task manager go through the roof until the browser kills the tab).
So I suspect that maybe it is being put there to frustrate anyone attempting to parse the response using eval or any other technique that ...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
... there is 500MB of file data in one of the tables.
Overall not very memory/cpu efficient when compared to filesystem
I'd call my implementation a success, it takes care of backup requirements and simplifies the layout of the project. The performance is fine for the 20-30 people who use the app.
...
Different floating point result with optimization enabled - compiler bug?
... Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-store gcc option to get the same floating point results with different optimization levels.
Alternatively, use the long d...
memory_get_peak_usage() with “real usage”
...
<!-- Print CPU memory and load -->
<?php
$output = shell_exec('free');
$data = substr($output,111,19);
echo $data;
echo file_get_contents('/proc/loadavg');
$load = sys_getloadavg();
$res = implode("",$load);
echo $res;
?>
...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...nection - is very inefficient in terms of RAM (1mb+ per thread) as well as CPU, as those threads will just idle or worse - infinite loop of checking for data.
– moka
May 13 '14 at 14:49
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Is there any way to put malicious code into a regular expression?
... states at the same time, and backtracking can eat your lunch — and your CPU.
Denial‐of‐Service Solutions
Probably the most reasonable way to address these patterns that are on the losing end of a race with the heat‐death of the universe is to wrap them with a timer that effectively places...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...es. Consider strings such as:
ps_aux_header = "USER PID %CPU %MEM VSZ"
patient_header = "name,age,height,weight"
When asked to break these strings into fields,
people tend to describe both using the same English word, "split".
When asked to read code such as fields = line.sp...
Difference between std::system_clock and std::steady_clock?
...s the program required (independent of other processes running on the same CPU). Better yet, get your hands on a real profiler and use that.
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How does password salt help against a rainbow table attack?
... scrypt, bcrypt, and PBKDF2 are good choices and more than worth the extra CPU cycles on the server IMHO. Argon2 is currently the state of the art, but not as battle-tested as the others.
– kgriffs
Oct 6 '15 at 17:47
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