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How to launch jQuery Fancybox on page load?
..."text/javascript">
$(document).ready(function() {
$("#hidden_link").fancybox().trigger('click');
});
</script>
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Determine if Python is running inside virtualenv
...t reliable way to check for this is to check whether sys.prefix == sys.base_prefix. If they are equal, you are not in a virtual environment; if they are unequal, you are. Inside a virtual environment, sys.prefix points to the virtual environment, and sys.base_prefix is the prefix of the system Pytho...
Useful GCC flags for C
...to catch all kinds of dangling pointers.
http://gcc.gnu.org/wiki/Mudflap_Pointer_Debugging
Here's a demo:
$ cat mf.c
int main()
{
int a[10];
a[10]=1; // <-- o noes, line 4
}
$ gcc -fmudflap mf.c -lmudflap
$ ./a.out
*******
mudflap violation 1 (check/write): time=1280862302.170759 ptr=...
Python timedelta in years
...
from dateutil.relativedelta import relativedelta
def yearsago(years, from_date=None):
if from_date is None:
from_date = datetime.now()
return from_date - relativedelta(years=years)
If you'd rather stick with the standard library, the answer is a little more complex::
from dateti...
How do I parse JSON with Ruby on Rails? [duplicate]
...ort_url and long_url. Than, to get the shortUrl and associate it with the appropriate Site object, you can do something like:
parsed_json["results"].each do |longUrl, convertedUrl|
site = Site.find_by_long_url(longUrl)
site.short_url = convertedUrl["shortUrl"]
site.save
end
...
Why is reading lines from stdin much slower in C++ than Python?
...s to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically r...
How to have an automatic timestamp in SQLite?
I have an SQLite database, version 3 and I am using C# to create an application that uses this database.
7 Answers
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
...
Whats the pros/cons to using .rspec or spec_helper.rb? @shamaoke @christoph
– Ian Vaughan
May 21 '13 at 10:31
2
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Auto-reload browser when I save changes to html file, in Chrome?
...assume you're not on OSX? Otherwise you could do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refresh plus" where you can specify a reload every x seconds:
https://chro...
ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...low is the simple demonstration:
public static ThreadLocal<int> _threadlocal =
new ThreadLocal<int>(() =>
{
return Thread.CurrentThread.ManagedThreadId;
});
public static void Main()
{
new Thread(() =>
{
...