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Is JavaScript a pass-by-reference or pass-by-value language?
The primitive types (number, string, etc.) are passed by value, but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object hol...
创业者如何发现开放却未知的秘密 - 资讯 - 清泛网 - 专注C/C++及内核技术
...硅谷的那些创新公司正是建立于未知的秘密之上。他以airbnb、lyft、uber和facebook举例，彼得认为只有相信并探索秘密才能发现常规之外的，近在眼前却不为常人所见的商机。
我举例来说明何为企业的秘密。
我在第三篇专栏中曾...
How do I put my website's logo to be the icon image in browser tabs?
The image next to the page title in the browser tab - how can you link an image here?
5 Answers
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Principles for Modeling CouchDB Documents
I have a question that I've been trying to answer for some time now but can't figure out:
4 Answers
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HTML+CSS: How to force div contents to stay in one line?
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Try this:
div {
border: 1px solid black;
width: 70px;
overflow: hidden;
white-space: nowrap;
}
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MySQL string replace
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UPDATE your_table
SET your_field = REPLACE(your_field, 'articles/updates/', 'articles/news/')
WHERE your_field LIKE '%articles/updates/%'
Now rows that were like
http://www.example.com/articles/updates/43
will be
http://www.example...
.NET / C# - Convert char[] to string
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Joel CoehoornJoel Coehoorn
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What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]
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In the old days, "/opt" was used by UNIX vendors like AT&T, Sun, DEC and 3rd-party vendors to hold "Option" packages; i.e. packages that you might have paid extra money for. I don't recall seeing "/opt" on Berkeley BSD UNIX. They used "/usr/local" for ...
jQuery same click event for multiple elements
...dd('.class2').on('click', some_function);
This also works with existing objects:
const $class1 = $('.class1');
const $class2 = $('.class2');
$class1.add($class2).on('click', some_function);
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Is there a short cut for going back to the beginning of a file by vi editor?
When reading a long file by vi editor, it would be very nice to get back to the beginning of the file by some short cuts when you really need to do so. Even ctrl + B sometimes is too slow. Does anyone know such a tool?
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