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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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3.1 GCM特点
a）Android2.2以下的手机不支持GCM，2.2到3.0需要安装Google Store并设置Google帐号，4.04及以上版本不需要设置帐号也能支持。
b）GCM只传递数据（可以传递小于4kb的数据），对这些数据的处理可以全部由开发者控制。
c）An...
来自微软的一手内幕：Windows 10是怎么出炉的 - 创意 - 清泛网 - 专注C/C++及内核技术
...够喜爱、渴求Windows系统，才会去升级，也才会有大量的安装基数来吸引更多开发者。因此，也是压力山大。
Myerson表现得自信而不自傲——他很乐意拿我的MacBook来打趣。他的这种直率，也正反映在了发布Windows 10的方式上：甚...
Center a popup window on screen?
...At this rate, we will have an answer for 5 monitors in 2020, 6 monitors in 2025, 7 monitors in 2030... let's keep this cycle going!
– Tony M
Mar 20 '15 at 20:34
2
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'nuget' is not recognized but other nuget commands working
...y project (ew!), and 2. It needs to be done separately in every project. npm has a 'global install' option - does NuGet not have something similar!?
– BlueRaja - Danny Pflughoeft
Jan 23 '16 at 8:13
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UIActionSheet cancel button strange behaviour
... works, but is hacky:
Just found a possible answer:
01-Dec-2008 10:22 PM Tom Saxton:
I looked at this bug some more, and it seems to be an issue with the tabbar.
If you call UIActionSheet's [sheet showInView:self.view] from a view controller that is a child of a UITabViewController, then...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...上操作方便多了呢？这样就可以快速的发给其他开发者、PM等人了。
【13.viewDidLoad不建议写太多代码】
个人建议不要在viewDidLoad方法中写入太多代码。尤其是涉及该界面中的动画的时候，因为执行viewDidLoad方法的时候，界面可能...
Rails - How to use a Helper Inside a Controller
...dule ApplicationHelper
# format datetime in the format #2018-12-01 12:12 PM
def datetime_format(datetime = nil)
if datetime
datetime.strftime('%Y-%m-%d %H:%M %p')
else
'NA'
end
end
end
class ExamplesController < ApplicationController
def index
current_datetime...
App Inventor 2 数学代码块 · App Inventor 2 中文网
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App Inventor 2 数学代码块
基础数字块 ( 0 )
进...
Converting a UNIX Timestamp to Formatted Date String
...hp
$today = date("F j, Y, g:i a"); // March 10, 2001, 5:16 pm
$today = date("m.d.y"); // 03.10.01
$today = date("j, n, Y"); // 10, 3, 2001
$today = date("Ymd"); // 20010310
$today = date('h-i-s, j-m-y, it is w Da...
How to convert a Drawable to a Bitmap?
...od solution ！Android 8.0 /sdk 26 ApplicationInfo.loadIcon(PackageManager pm) return a AdaptiveIconDrawable 。 Use your code can help me cast AdaptiveIconDrawable to bitmap。
– burulangtu
Oct 11 '17 at 9:40
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