大约有 1,300 项符合查询结果（耗时：0.0310秒） [XML]
Do sealed classes really offer performance Benefits?
...("NormalClass")
003c00ca 8b01 mov eax,dword ptr [ecx]
003c00cc 8b403c mov eax,dword ptr [eax+3Ch]
003c00cf ff5010 call dword ptr [eax+10h]
003c00d2 e8f96f106f call mscorlib_ni+0x2570d0 (6f4c70d0) (System.Console.get_Out(), mdToken: 060008fd)
003c00d7 8...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...
#03 pc 0000d672 /system/lib/libxvi020.so
#04 pc 00010cce /system/lib/libxvi020.so
#05 pc 00004432 /system/lib/libwimax_jni.so
#06 pc 00011e74 /system/lib/libdvm.so
#07 pc 0004354a /system/lib/libdvm.so
#08 pc 00017088 /system/lib/lib...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...mutexes or a single one for an object.
If you have many threads and the access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much...
Why is processing a sorted array faster than processing an unsorted array?
...lroad junction:
Image by Mecanismo, via Wikimedia Commons. Used under the CC-By-SA 3.0 license.
Now for the sake of argument, suppose this is back in the 1800s - before long distance or radio communication.
You are the operator of a junction and you hear a train coming. You have no idea which way i...
How does Google Instant work?
...ated to this question. You can read how they tackled the extra load (5-7X according to the article) on the server-side, for example. The answer below examines what happens on the client-side:
Examining with Firebug, Google is doing an Ajax GET request on every keypress:
I guess it's working th...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...面象Eclipse这样漂亮的桌面程序，比如医院管理系统啊、CAD软件等等。遗憾的是，目前在国内基本上找不到关于RCP的中文资料，我们只能通过自己的探索来为我们的程序添加我们想要的功能。
下面让我们一步一步来建立一...
How do I base64 encode (decode) in C?
...dio 2015. If somebody wants to update this answer with results from clang/gcc, be my guest.
FASTEST ENCODERS:
The two fastest encoder implementations I found were Jouni Malinen's at http://web.mit.edu/freebsd/head/contrib/wpa/src/utils/base64.c and the Apache at https://opensource.apple.com/source...
What is a reasonable code coverage % for unit tests (and why)? [closed]
...ic, but personal experience should hopefully show some correlation between CC % and unit test effectiveness...
– sanity
Sep 18 '08 at 4:34
17
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Multi-gradient shapes
...extView until after it has been drawn. I'm not quite sure yet how you can accomplish this...but manually inserting a number for topInset does work.
I lied, one more edit
Okay, found out how to manually update this layer drawable to match the height of the container, full description can be found ...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...L.
jsFiddle with pSBC
github > pSBC Wiki
Features:
Auto-detects and accepts standard Hex colors in the form of strings. For example: "#AA6622" or "#bb551144".
Auto-detects and accepts standard RGB colors in the form of strings. For example: "rgb(123,45,76)" or "rgba(45,15,74,0.45)".
Shades col...