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Why is MATLAB so fast in matrix multiplication?
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Here's my results using MATLAB R2011a + Parallel Computing Toolbox on a machine with a Tesla C2070:
>> A = rand(1024); gA = gpuArray(A);
% warm up by executing the operations a couple of times, and then:
>> tic, C = A * A; toc
Elapsed time is 0.075396 sec...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...What browsers are supported?支持哪些浏览器?
The goal is to support all HTML5 compliant browsers, but sincefeature support varies per browser/version our support for all PDF featuresvaries as well. If you want to support more browsers than Firefox you'll needto include compatibility.jswhich h...
Git authentication fails after enabling 2FA
...PlaintextPassword@example.com.
Storing password(s) in plaintext would normally be considered as a security risk. But in this 2FA case, the credential is NOT your real password, it is a randomly generated string. So it is as secure as using a ssh private key a passphrase-less ssh private key. CAVEAT...
Difference between null and empty (“”) Java String
... String("");
System.out.println(a==b);
That would output false because I allocated two different objects, and a and b point to different objects.
However, a.equals(b) in this case would return true, because equals for Strings will return true if and only if the argument String is not null and rep...
What's the difference between ASCII and Unicode?
...than) 221 characters, which, similarly, map to numbers 0–221 (though not all numbers are currently assigned, and some are reserved).
Unicode is a superset of ASCII, and the numbers 0–127 have the same meaning in ASCII as they have in Unicode. For example, the number 65 means "Latin capital 'A'"...
Why does C# disallow readonly local variables?
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It actually has nothing to do with CLI support for the feature, because local variables are in no way exposed to other assemblies. The readonly keyword for fields needs to be supported by the CLI because its effect is visible to oth...
What's the difference between an id and a class?
... to a specific element and class when you have a number of things that are all alike. For instance, common id elements are things like header, footer, sidebar. Common class elements are things like highlight or external-link.
It's a good idea to read up on the cascade and understand the precedence ...
nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...ck. Same error. what could be causing this? I also tried rebooting, I am really at a loss here. Any help would be greatly appreciated.
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Is there a way to word-wrap long words in a div?
... I'm using Firefox 24.6.0, and the word-wrap: break-word is what actually worked.
– user545424
Jun 26 '14 at 20:41
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
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I've made sure all the class are already set, but the NSUnknownKeyException still comes out :(
– Zennichimaro
Apr 3 '13 at 3:40
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