大约有 41,000 项符合查询结果（耗时：0.0392秒） [XML]
Can you get DB username, pw, database name in Rails?
...
From within rails you can create a configuration object and obtain the necessary information from it:
config = Rails.configuration.database_configuration
host = config[Rails.env]["host"]
database = config[Rails.env]["database"]
username = config[Rails.env]["username"]
passw...
How do I determine the target architecture of static library (.a) on Mac OS X?
...
Another option is lipo; its output is brief and more readable than otool's.
An example:
% lipo -info /usr/lib/libiodbc.a
Architectures in the fat file: /usr/lib/libiodbc.a are: x86_64 i386 ppc
% lipo -info libnonfatarchive.a
input file libnonfatarchive.a is not a fa...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...mple 2 pass, first sample sqrt(N)
from __future__ import division
import random
import numpy as np
from scipy.spatial.distance import cdist # $scipy/spatial/distance.py
# http://docs.scipy.org/doc/scipy/reference/spatial.html
from scipy.sparse import issparse # $scipy/sparse/csr.py
__date__ ...
How to convert the ^M linebreak to 'normal' linebreak in a file opened in vim?
... Solution's response didn't work for me, only @MateenUlhaq commands helped me.
– Edenshaw
Jul 26 '18 at 17:05
add a comment
|
...
How can I access an object property named as a variable in php?
...'$t'};
Alternatively, you can put the name of the property in a variable and use it like this:
$property_name = '$t';
echo $object->$property_name;
You can see both of these in action on repl.it: https://repl.it/@jrunning/SpiritedTroubledWorkspace
...
Get a random item from a JavaScript array [duplicate]
How do I get random item from items ?
13 Answers
13
...
Python Empty Generator Function
... return once in a generator; it stops iteration without yielding anything, and thus provides an explicit alternative to letting the function run out of scope. So use yield to turn the function into a generator, but precede it with return to terminate the generator before yielding anything.
>>...
How to insert a new line in Linux shell script? [duplicate]
...line.
Another alternative to use a single echo statement with the -e flag and embedded newline characters \n:
echo -e "Create the snapshots\n\nSnapshot created"
However, this is not portable, as the -e flag doesn't work consistently in all systems. A better way if you really want to do this is u...
Fastest method to replace all instances of a character in a string [duplicate]
...
I did user.email.replace(/./g,','), and the whole email got replaced with comas in the same number as characters in the email. Puzzled...
– Jared Tomaszewski
Sep 30 '13 at 20:13
...
JSONP with ASP.NET Web API
... MVC 4 using the Web API. So far, it's great. I have created the service and gotten it to work, and now I am trying to consume it using JQuery. I can get back the JSON string using Fiddler, and it seems to be ok, but because the service exists on a separate site, trying to call it with JQuery err...