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difference between collection route and member route in ruby on rails?
...out adding a "get" without any block? Is it member or collection route? My test showed its collection but with different id variable name.
– lzap
Apr 19 '11 at 15:12
6
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Why doesn't C# support the return of references?
...s not a huge amount of dev work to do so, but it is a lot of burden on the testing teams to make sure that we've really got all the cases. It's just another thing that increases the cost of the feature to the point where right now the benefits do not outweigh the costs.
If you can describe for me w...
How do I list all cron jobs for all users?
...rts by hour and minute so that I can see the daily schedule.
So far, I've tested it on Ubuntu, Debian, and Red Hat AS.
#!/bin/bash
# System-wide crontab file and cron job directory. Change these for your system.
CRONTAB='/etc/crontab'
CRONDIR='/etc/cron.d'
# Single tab character. Annoyingly nece...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...ms like it would work fine for storing timestamps and I've done some local testing on MySQL 5.5 which confirms it works. Obviously using signed would be better than unsigned as you can represent dates in the past as well. Any reason not to use BIGINT for timestamps?
– zuallauz
...
Appending a vector to a vector [duplicate]
...bstdc++. std::copy is indeed slower than using std::vector::insert. I just tested it with libstdc++ that came with g++ 4.4.5.
– Marc Claesen
May 30 '13 at 21:43
1
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How do I uniquely identify computers visiting my web site?
...cted these
fingerprints from a large sample of browsers that visited our test side,
panopticlick.eff.org. We observe that the distribution of our finger-
print contains at least 18.1 bits of entropy, meaning that if we pick a
browser at random, at best we expect that onl...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...o find the name of a jupyter kernel using the jupyter api. This script was tested on MACOS with python3 and requires jupyter notebook, requests, json and psutil.
Put the script in your home directory and then usage looks like:
python ~/interrupt_bad_kernels.py
Interrupt kernel chews cpu.ipynb; PID...
Positioning a div near bottom side of another div
...
Tested and working on Firefox 3, Chrome 1, and IE 6, 7 and 8:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html><body>
<div style='bac...
Why does the JVM still not support tail-call optimization?
...T. Depending on the JVM, the JIT may or may not do this.
Then it gives a test you can use to figure out if your JIT does this.
Naturally, since this is an IBM paper, it includes a plug:
I ran this program with a couple of
the Java SDKs, and the results were
surprising. Running on Sun's Ho...
Looking for a 'cmake clean' command to clear up CMake output
...Making a distribution that cannot be configured, does not even do platform tests etc, is useless. Hence there does not exist 'distclean' target for cmake. cmake is required to exist on the machine of the end-user.
– Carlo Wood
Dec 10 '19 at 19:10
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