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MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...足，为了腾出内存空间存放新内容，就会把当前物理内存中的内容放到交换分区里，稍后用到的时候再取回来，需要注意的是，Swap的使用可能会带来性能问题，偶尔为之无需紧张，糟糕的是物理内存和交换分区频繁的发生数据...
Debugging App When Launched by Push Notification
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In Xcode 6:
connect iPhone to Macbook with USB
launch the app on the iPhone by tapping the icon
In Xcode menu, Debug > Attach to Process > Pick your App
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Android: show soft keyboard automatically when focus is on an EditText
...e soft keyboard when a hardware keyboard is attached. I just tested with a USB On-The-Go cable. Perfect!
– 13rac1
Jan 27 '16 at 18:25
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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...及的文件众多，在此不一一介绍。有兴趣的读者可打开其中的相关文件查阅说明。
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ulimit 管理系统资源的例子
ulimit 提供了在 shell 进程中限制系统资源的功能。本章列举了一些使用 ulimit 对用户进程进行限制的例子，...
MVC演化史 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...MVP，最终看上去更像是把原本的MVC扭转了一个角度，把其中的VC颠倒了一下顺序：
MVP
图解：View截获用户请求，然后委派给Presenter，Presenter改变Model的状态，Model通过Observer Synchronization通知View自己的状态发生了变化，View查询M...
“Parse Error : There is a problem parsing the package” while installing Android application
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Unknown sources AND usb debugging... note: in windows 8 sometimes it will not recognize the phone in MTP mode, only PTP...
– SparK
Apr 17 '14 at 15:02
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How to wait for async method to complete?
I'm writing a WinForms application that transfers data to a USB HID class device. My application uses the excellent Generic HID library v6.0 which can be found here . In a nutshell, when I need to write data to the device, this is the code that gets called:
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Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...递而返回不可投递信息前，被延迟邮件再deferred邮件队列中的生存时间。
minimal_backoff_time：当一封邮件投递失败后，邮件队列将在一段时间内忽视该邮件的存在，也就是我们前面讲的时间邮票。该参数就是用来设置最小的时间邮...
MSysGit vs. Git for Windows
...tobe installed. It will run from any directory you place it in, evenonto a USB thumbdrive. It will not write permanent entries into the Windows registry. It does not need administrator privileges to "install". This version does not offer you the convenient right-click context menu entries "Git GUI H...
How to monitor network calls made from iOS Simulator
...at just shows you the traffic from the iOS device you've plugged into your USB port.
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