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区块链技术到底是什么鬼,为何被疯炒? - 资讯 - 清泛网 - 专注C/C++及内核技术

...节点都可以扮演“监督者”的身份,因此不用担心欺诈的问题。可扩展:区块链是一种底层开源技术,在此基础上可以实现各类扩展和去中心化、去信任化的应用。匿名化:数据交换的双方可以是匿名的,网络中的节点无需知道...
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How to concatenate columns in a Postgres SELECT?

... PHP's Laravel framework, I am using search first_name, last_name Fields consider like Full Name Search Using || symbol Or concat_ws(), concat() methods $names = str_replace(" ", "", $searchKey); ...
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How to validate an email address using a regular expression?

...e more sophisticated patterns in Perl and PCRE (regex library used e.g. in PHP) can correctly parse RFC 5322 without a hitch. Python and C# can do that too, but they use a different syntax from those first two. However, if you are forced to use one of the many less powerful pattern-matching language...
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How to convert int to QString?

... 123 And if you want to put it into string within some text context, forget about + operator. Simp...
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How do I convert a Django QuerySet into list of dicts?

... David WoleverDavid Wolever 123k7676 gold badges297297 silver badges462462 bronze badges ...
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What is correct HTTP status code when redirecting to a login page?

... @PHP_Jedi true. 303 may be more appropriate from that point of view. However, 302 is more reliable in terms of client compatibility. – Pekka May 15 '10 at 9:44 ...
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How to make button look like a link?

...t for the sake of simplicity i will use them here): <a href="some/page.php" title="perform some js action" onclick="callFunction(this.href);return false;">watch and learn</a> with this.href you can even access the target of the link in your function. return false will just prevent bro...
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Set the value of an input field

... answered Sep 2 '15 at 5:59 php-coderphp-coder 91711 gold badge1212 silver badges2222 bronze badges ...
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How to cancel/abort jQuery AJAX request?

...ct return $def.promise(); } // initiate first call singleAjax('/ajax.php', {a: 1, b: 2}) .always(function(a,b,c) {console && console.log(a,b,c);}); // second call kills first one singleAjax('/ajax.php', {a: 1, b: 2}) .always(function(a,b,c) {console && console.log(a,b,...
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SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术

...本不能高于SSMS的版本,否则会出现各种各样意想不到的问题。 SSMS2008一般采用VS2005或VS2008开发,SSMS2012采用VS2012开发。SSMS2008与SSMS2012一些获取对象等细节方面也有少量差异。最好使用各自的VS版本生成基本代码后,再添砖加瓦...