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How to detect the physical connected state of a network cable/connector?
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grep "" eth0/* is so elegant and easy, thanks! :) With the -s switch grep will not complain about the directories.
– Ray
Apr 10 '15 at 10:17
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How to search for a part of a word with ElasticSearch
I've recently started using ElasticSearch and I can't seem to make it search for a part of a word.
10 Answers
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C++ lambda with captures as a function pointer
I was playing with C++ lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
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Difference between StringBuilder and StringBuffer
What is the main difference between StringBuffer and StringBuilder ?
Is there any performance issues when deciding on any one of these?
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Clear the cache in JavaScript
....reload(true) to reload the current page. It will ignore any cached items and retrieve new copies of the page, css, images, JavaScript, etc from the server. This doesn't clear the whole cache, but has the effect of clearing the cache for the page you are on.
However, your best strategy is to vers...
Convert JavaScript String to be all lower case?
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what is time and space complexity of toLowerCase() function?
– Ramzan Chasygov
Apr 4 '18 at 17:41
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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试项目提供了极大的方便。
【1.普通断点】
断点(Breakpoint)绝对是调试程序的第一大选择，也是掌握的基础技能。顾名思义，当程序运行到断点处时会暂停运行。比如断点打在11行，那么程序就会停在11行（注意：程序只运行到...
C++: What is the size of an object of an empty class?
... It surely could not be 0 bytes since it should be possible to reference and point to it like any other object. But, how big is such an object?
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New Array from Index Range Swift
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The language has changed, it uses three ellipsis and not two developer.apple.com/library/ios/documentation/General/Reference/…
– Daniel Galasko
Jan 28 '15 at 15:53
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What should a Multipart HTTP request with multiple files look like? [duplicate]
... to mind immediately: 1) write your loop as (print boundary, print stuff), and then after the for loop completes follow that with (print boundary with extra dashes). That's probably the easiest way. 2) write your for() loop to run whatever index variable you have down to 0, instead of up from 0. The...