大约有 40,000 项符合查询结果（耗时：0.0223秒） [XML]
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...code support for sql_field_string, you need to patch the source
# this param. is not supported natively
sql_query_info = SELECT * FROM my_posts WHERE id = $id
}
index posts
{
source = post_source
# source above
path = /var/data/posts
# index location
charset_type = u...
Best way to select random rows PostgreSQL
...maller than id_span, the query will outperform other approaches.
WITH params AS (
SELECT 1 AS min_id -- minimum id <= current min id
, 5100000 AS id_span -- rounded up. (max_id - min_id + buffer)
)
SELECT *
FROM (
SELECT p.min_id + trunc(random(...
Difference between ProcessBuilder and Runtime.exec()
...C:\DoStuff.exe", "-arg1", "-arg2");
or alternatively
List<String> params = java.util.Arrays.asList("C:\DoStuff.exe", "-arg1", "-arg2");
ProcessBuilder b = new ProcessBuilder(params);
share
|
...
Why is early return slower than else?
...ng without_else() and the difference disappears:
>>> def no_else(param=False):
if param:
return 1
return 0
>>> T(lambda : no_else()).repeat()
[0.3359846013948413, 0.29025818923918223, 0.2921801513879245]
>>> T(lambda : no_else(True)).repeat()
[0.381039559...
Failed to load resource: net::ERR_INSECURE_RESPONSE
...as first been accepted, the jQuery.ajax() call fails silently: the timeout parameter does not seem help and the error() function never gets called.
As such, my code never receives a success() or error() call and therefore hangs. I believe this is a bug in jquery's handling of this error. My solutio...
Creating a system overlay window (always on top)
...se let me know.
OnCreate of your Service: I have used WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH flag. This is the only change in service.
@Override
public void onCreate() {
super.onCreate();
Toast.makeText(getBaseContext(),"onCreate", Toast.LENGTH_LONG).show();
...
How to handle WndProc messages in WPF?
...ok(WndProc));
private static IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
// do stuff
return IntPtr.Zero;
}
Now, I'm not quite sure why you'd want to handle Windows Messaging messages in a WPF application (unless it's the most obvious form of in...
How to construct a timedelta object from a simple string
...r)
if not parts:
return
parts = parts.groupdict()
time_params = {}
for (name, param) in parts.iteritems():
if param:
time_params[name] = int(param)
return timedelta(**time_params)
>>> from parse_time import parse_time
>>> parse_time...
How do I resolve a HTTP 414 “Request URI too long” error?
...e (which can be the same code for both GET and POST) first checks for POST parameters, handles them if it finds them, then returns the page with the proper values filled in, which will be either the updated values (if POST and the update succeeds) or the original values (if GET, or if POST and the u...
How do I create multiple submit buttons for the same form in Rails?
...de your controller, the submitted button's value will be identified by the parameter commit. Check the value to do the required processing:
def <controller action>
if params[:commit] == 'A'
# A was pressed
elsif params[:commit] == 'B'
# B was pressed
end
end
How...