大约有 46,000 项符合查询结果（耗时：0.0781秒） [XML]
Are GUID collisions possible?
...in 10^10). http://wwwse.inf.tu-dresden.de/data/courses/SE1/SE1-2004-lec12.pdf, page 11. This is also true of disk drives, cd drives, etc...
GUIDs are statistically unique and the data you read from the db is only statistically correct.
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Can you get the column names from a SqlDataReader?
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72
it's insane that there is no enumerable interface that lets you iterate through the columns.
– JohnFx
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curl_exec() always returns false
...This happened to me yesterday and in my case was because I was following a PDF manual to develop some module to communicate with an API and while copying the link directly from the manual, for some odd reason, the hyphen from the copied link was in a different encoding and hence the curl_exec() was ...
C++ SFINAE examples?
...der.
// See http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4502.pdf.
template <typename...>
using void_t = void;
// Primary template handles all types not supporting the operation.
template <typename, template <typename> class, typename = void_t<>>
struct detect :...
Max parallel http connections in a browser?
... | 1000+[^note2] |
[^note1]: tested with 72 requests , 1 domain(127.0.0.1)
[^note2]: tested with 1002 requests, 6 requests per domain * 167 domains (127.0.0.*)
[^note3]: when called in async context, e.g. in callback of setTimeout, + requestAnimationFrame, then...
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How do I ignore a directory with SVN?
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KaiKai
3,83744 gold badges2727 silver badges3535 bronze badges
8
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圆形进度条拓展：Material Circular ProgressBar - App Inventor 2 拓展 - ...
效果如下：
原文链接：https://community.kodular.io/t/f ... ar-extension/159077
源码：https://github.com/SonrajTech/Material-Circular-ProgressBar
这个咋用的咋用啊，出国教程已加入需求列表，出教程后会公众号第一时间推送
Dynamically changing font size of UILabel
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72
minimumFontSize has been deprecated with iOS 6. You can use minimumScaleFactor.
yourLabel.adju...
“unary operator expected” error in Bash if condition
...[ .. ]] is not available in versions of bash prior to 2.05." In the online pdf from doc.lagout.org, it's on page 326!
– spen.smith
Jul 31 at 7:18
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What's a good IDE for Python on Mac OS X? [closed]
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72
My 2 pennies, check out PyCharm
http://www.jetbrains.com/pycharm/
(also multi-platform)
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