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What Makes a Method Thread-safe? What are the rules?
...ion betrayed a lack of understanding about what a local variable is. This error is quite common, but the fact is that it is an error and should be corrected. The definition of a local variable is quite precise and should be treated accordingly. :) This isn't an answer for "people" who don't get ...
How do I get Windows to go as fast as Linux for compiling C++?
...ave enough RAM first): fsutil behavior set memoryusage 2
Check the Windows error log to make sure you aren't experiencing occasional disk errors.
Have a look at Physical Disk related performance counters to see how busy your disks are. High queue lengths or long times per transfer are bad signs.
The...
Convert light frequency to RGB?
... observer (which could be considered to be the "precise" model), there are errors. But from the paper, if you look at the Figure 1 on page 7 (compare (d) with (f)), this method provides quite a close approximation. Especially if you look at (f), you could see that there is also a bluish line even in...
When to use the brace-enclosed initializer?
... value of the object, use copy (=) initialization (because then in case of error, you'll never accidentally invoke an explicit constructor, which generally interprets the provided value differently). In places where copy initialization is not available, see if brace initialization has the correct se...
Disable password authentication for SSH [closed]
...d ~/.ssh
Enter rm -rf authorized_keys (sometimes multiple keys lead to an error).
Enter vi authorized_keys
Enter :wq to save this empty file
Enter cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
Restart the SSH:
sudo launchctl stop com.openssh.sshd
sudo launchctl start com.openssh.sshd
...
WARN Could not determine content-length of response body. Set content-length of the response or set
...st upgraded to rails 3.2.2, and now on rails s, page load, I get all these errors in the log:
3 Answers
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Can someone explain __all__ in Python?
...oo:
$ cat > run.py
from main import *
foo()
bar()
main() # expected to error here, not exported
$ python run.py
Traceback (most recent call last):
File "run.py", line 4, in <module>
main() # expected to error here, not exported
NameError: name 'main' is not defined
...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...d(). If the determined method is absent from the servlet, then an HTTP 405 error is returned in the response.
The request object provides access to all of the information about the HTTP request, such as its URL, headers, query string and body. The response object provides the ability to control an...
How to read a (static) file from inside a Python package?
...fer since the use of packages (instead of path-stings) raises compile-time errors;
it is more intuitive because you don't have to "join" paths;
it is faster when developing since you don't need an extra dependency (setuptools), but rely on Python's standard-library alone.
I kept the traditional lis...
Java: Getting a substring from a string starting after a particular character
...
this code will throw an Array Index Out of Bounds error if the separator is not found.
– Patrick Parker
Jul 24 '18 at 20:59
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