大约有 40,000 项符合查询结果（耗时：0.0376秒） [XML]
How can I use getSystemService in a non-activity class (LocationManager)?
...() {
--
locationManager = (LocationManager)mContext.getSystemService(context);
--
}
}
So in your activity class create the object of fyl in onCreate function like this:
package com.atClass.lmt;
import android.app.Activity;
import android.os.Bundle;
import android.widget.Tex...
What is the use for Task.FromResult in C#
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A good case for #1 is a web service. You could have a synchronous service method that returns Task.FromResult and a client that awaits asynchronously for the network I/O. This way you can share the same interface between client/server using ChannelFac...
Java abstract interface
...ok at this attribute and warn/fail about usages of such.
A real example: @Service proxy under @Transnational to a @Repository need to use same basic methods however they should use different interfaces that extends this abstract interface due to @Autowired.
(I call this XXXSpec interface)
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Rails Root directory path?
...__FILE__))
[
rails_root.join('app', 'models'),
# Add your decorators, services, etc.
].each do |path|
$LOAD_PATH.unshift path.to_s
end
Which allows you to easily load Plain Old Ruby Objects from their spec files.
# spec/models/poro_spec.rb
require 'spec_helper'
require 'poro'
RSpec.desc...
柳青：滴滴每天面临向死而生的挑战 永远热泪盈眶 - 资讯 - 清泛网 - 专注C/...
...战 永远热泪盈眶如今的出行市场三分天下：外有UBER虎视中国市场，内有背靠乐视生态的易到用车，滴滴也从3年前的嘀嘀打车到今日的滴滴出行，从一个打车服务领域的轻量级选手到今天覆盖打出租车、快车、专车、巴士、代驾...
How do I write good/correct package __init__.py files
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Get list of databases from SQL Server
...'master', 'tempdb', 'model', 'msdb');
and add the names of the reporting services databases
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How to find the port for MS SQL Server 2008?
...art menu but can be found in the Computer Management MMC snap-in under the Services and Applications group. The dynamic port is also not under the 'SQL native client configuration' item (which is version "11.0" for me) but under the SQL Server Network Configuration item (and on the IP Addresses tab ...
How to call asynchronous method from synchronous method in C#?
...crosoft documentation, for example:
https://docs.microsoft.com/en-us/azure/service-bus-messaging/service-bus-dotnet-how-to-use-topics-subscriptions
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nvarchar和varchar相互转换、联合查询 - ORACLE - 清泛IT论坛，有思想、有深度
...后由 zqp2013 于 2015-2-27 16:42 编辑
场景：联合查询（union all）Oracle两张表，同一组字段的数据类型不一致，分别是nvarchar和varchar。
这时联合查询报错如下：ora12704：字符集不匹配。
解决方法：需要对数据类型进行转换。
Specif...