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How do I find the caller of a method using stacktrace or reflection?
I need to find the caller of a method. Is it possible using stacktrace or reflection?
12 Answers
...
How to remove specific elements in a numpy array
... 7, if you run the code now you do not get the correct output as was originally the case.I"m rolling back the edit
– Levon
Jun 16 '16 at 20:31
...
What's the best way to do a backwards loop in C/C#/C++?
... std::vector
Using iterators
C++ allows you to do this using std::reverse_iterator:
for(std::vector<T>::reverse_iterator it = v.rbegin(); it != v.rend(); ++it) {
/* std::cout << *it; ... */
}
Using indices
The unsigned integral type returned by std::vector<T>::size is not...
How to check if there exists a process with a given pid in Python?
... if the pid is not running, and do nothing otherwise.
import os
def check_pid(pid):
""" Check For the existence of a unix pid. """
try:
os.kill(pid, 0)
except OSError:
return False
else:
return True
...
What platforms have something other than 8-bit char?
...hing as it is playing by the rules. In C++, for example, the standard says all bytes will have "at least" 8 bits. If your code assumes that bytes have exactly 8 bits, you're violating the standard.
This may seem silly now -- "of course all bytes have 8 bits!", I hear you saying. But lots of very sm...
Use Mockito to mock some methods but not others
... question, yes, you can mock some methods without mocking others. This is called a partial mock. See the Mockito documentation on partial mocks for more information.
For your example, you can do something like the following, in your test:
Stock stock = mock(Stock.class);
when(stock.getPrice()).the...
PHP validation/regex for URL
...hings that jump out at me: use of alternation where character classes are called for (every alternative matches exactly one character); and the replacement shouldn't have needed the outer double-quotes (they were only needed because of the pointless /e modifier on the regex).
–...
Fastest way to check if a string matches a regexp in ruby?
...y
require 'benchmark'
str = "aacaabc"
re = Regexp.new('a+b').freeze
N = 4_000_000
Benchmark.bm do |b|
b.report("str.match re\t") { N.times { str.match re } }
b.report("str =~ re\t") { N.times { str =~ re } }
b.report("str[re] \t") { N.times { str[re] } }
b.report("re =~ str...
How do I run a node.js app as a background service?
.../bin
Environment=NODE_ENV=production
WorkingDirectory=/var/www/myapp
[Install]
WantedBy=multi-user.target
Note if you're new to Unix: /var/www/myapp/app.js should have #!/usr/bin/env node on the very first line.
Copy your service file into the /etc/systemd/system.
Start it with systemctl start...
Moving from CVS to Git: $Id$ equivalent?
... for example, you packaged a version file with the source (or even rewrote all the content for distribution) to show that number. Let's say that packaged version was 2.2-12-g6c4ae7a (not a release, but a valid version).
You can now see exactly how far behind you are (4 commits), and you can see exa...