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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...0x41000,则最后的簇的地址是 0x41000+0x5600=0x46600 。 范例运行时的情景 工程运行完后,一个文件被创建:D:/hello.doc 。用 MS Word 打开它: 恢复后的文件数据 至于 FAT32 文件系统的数据恢复,跟上面的方法有一些不同。主要...
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术

...,那么也就不会让程序挂掉了。 正如下面的代码,可以运行一点也不会crash掉(你汇编一下你会看到用的都是lea指令): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 struct test{ int i; short c; c...
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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...

...构吧。 重构和性能的关系? 虽然重构可能使软件运行更慢,但它也使软件的性能优化更容易。除了对性能有严格要求的实时系统,其他任何情况下”编写快速软件“的秘密就是:首先写出可调的软件,然后调整它以求获...
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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...限级别里执行,也就是说 interrupt handler 会在特权级别里运行。这表示:interrupt handler 里的权限至少不低于访问者的权限 在调用 interrupt handler 中并不使用 selector 来访问 gate 而是使用使用 vector 来访问 gate,因此中断权限控制中...
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How can I use different certificates on specific connections?

...} catch (NoSuchAlgorithmException e) { throw new RuntimeException("Unable to initialise SSL context", e); } catch (KeyManagementException e) { throw new RuntimeException("Unable to initialise SSL context", e); } } public Socket createSocket(String host, int port) throws IOEx...
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Biggest GWT Pitfalls? [closed]

...anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective? ...
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Notifier 通知扩展:功能强大的Android通知管理工具,支持通知通道、意图、...

...计器窗口中设置。由于创建通道后无法更改通道的属性,运行时没有修改方法。 必须特别注意 Importance 级别的设置。通知获得哪些通用(通道无关)设置取决于此级别。如上所述,这依赖于设备制造商。 如果 Importance 设置为 H...
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Git submodule head 'reference is not a tree' error

...e fatal: reference is not a tree: e47c0a16d5909d8cb3db47c81896b8b885ae1556 Unable to checkout 'e47c0a16d5909d8cb3db47c81896b8b885ae1556' in submodule path 'sub' Oops, someone made a super-project commit that refers to an unpublished commit in the submodule sub. Somehow, we already know that we wan...
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How can I specify a branch/tag when adding a Git submodule?

...emote TestModule I got an error saying fatal: Needed a single revision and Unable to find current origin/TestTag revision in submodule path 'TestModule'. When doing it with a real branch it works. Is there anyway to specify a tag in .gitmodules without having to specify the exact commit? ...
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Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application

... */ } else { Log.i(TAG, "Facebook Thread unable to Get/Parse friend data. Type = " + pickType); } } } The FacebookFriend class I created public class FacebookFriend { String facebookId; String name; String pictureUrl; boolean invitabl...