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How to get jQuery dropdown value onchange event
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$('#drop').change(
function() {
var val1 = $('#pick option:selected').val();
var val2 = $('#drop option:selected').val();
// Do something with val1 and val2 ...
}
);
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MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...并且外观设计是直板的手机，需按照如下方式查询：
SELECT * FROM `mobile_params` WHERE name = '待机时间' AND value > 100;
SELECT * FROM `mobile_params` WHERE name = '外观设计' AND value = '直板';
注：参数表为了方便，把数值和字符串统一保存成字...
VIM + JSLint?
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You can follow the intructions from JSLint web-service + VIM integration or do what I did:
Download http://jslint.webvm.net/mylintrun.js and http://www.jslint.com/fulljslint.js
and put them in a directory of your choice.
Then add the following line to t...
Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
Ever since I upgraded my Samsung Galaxy S3 to android 4.3 (from 4.1.2) I am unable to use Chrome's remote debugging for android (more details here ).
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MySQL COUNT DISTINCT
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Select
Count(Distinct user_id) As countUsers
, Count(site_id) As countVisits
, site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
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Why is using the rails default_scope often recommend against?
...ate) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, published: true, created_at: nil, update...
How can I test an AngularJS service from the console?
...y code
Another useful trick to get the $scope of a particular element.
Select the element with the DOM inspection tool of your developer tools and then run the following line ($0 is always the selected element):
angular.element($0).scope()
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handle textview link click in my android app
...when ever it isn't null, I'll know it was invoked by means of such a link. From there, I extract the instructions I need from the url to be able to display the appropriate data.
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RESTful Services - WSDL Equivalent
...a.org/wiki/RSDL.
The problem is that we have lots of tool to generate code from wsdl to java, or reverse.
But I didn't find any tool to generate code from RSDL.
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
...o, you are missing np.import_array() in your code.
--
Example setup.py:
from distutils.core import setup, Extension
from Cython.Build import cythonize
import numpy
setup(
ext_modules=[
Extension("my_module", ["my_module.c"],
include_dirs=[numpy.get_include()]),
...