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How can I convert a string to boolean in JavaScript?

...scenario, when your string value is EXACTLY "true" or "false". An invalid json string passed into these functions below WILL throw an exception. Original answer: How about? JSON.parse("True".toLowerCase()); or with jQuery $.parseJSON("TRUE".toLowerCase()); ...
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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...个异步过程调用发出后,调用者不能立刻得到结果,实际处理这个调用的部件在完成后,通过状态、通知和回调来通知调用者。 3、多路复用(IO/Multiplexing):为了提高数据信息在网络通信线路中传输的效率,在一条物理通信...
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MySQL integer field is returned as string in PHP

... Easiest Solution I found: You can force json_encode to use actual numbers for values that look like numbers: json_encode($data, JSON_NUMERIC_CHECK) (since PHP 5.3.3). Or you could just cast your ID to an int. $row = $result->fetch_assoc(); $id = (int) $ro...
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...imary --force r0 3.6、安装GFS2 yum install -y gfs2-utils 格式化gfs2并多处挂载 将drbd格式化为gfs2 (这一步只需要一个节点操作即可) mkfs.gfs2 -j 2 -p lock_dlm -t gfscluster:gfslocktable /dev/drbd0 第二个节点同步 partprobe /dev/drbd0 多...
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor

...om/controller/proxy.php, async:false, type: "POST", dataType: "json", data: data, success: function (result) { JSON.parse(result); }, error: function (xhr, ajaxOptions, thrownError) { console.log(xhr); } }); Then, create a simple PHP file called prox...
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How to delete and replace last line in the terminal using bash?

...utput. This doesn't work: tput sc # save cursor echo '' > sessions.log.json while [ 1 ]; do curl 'http://localhost/jolokia/read/*:type=Manager,*/activeSessions,maxActiveSessions' >> sessions.log.json echo '' >> sessions.log.json cat sessions.log.json | jq '.' tput rc;...
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REST HTTP status codes for failed validation or invalid duplicate

...400 + text status' as too generic. Also, you aren't taking advantage of a JSON-ready parser; in contrast, a 422 with a JSON response is very explicit, and a great deal of error information can be conveyed. Speaking of JSON response, I tend to standardize on the Rails error response for this case, ...
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require file as string

... you can require .json files, both with node.js and TypeScript. That's the only format that support being required() suitable for serializing text. YOu can use a compile-time tool to pack your files into a json, such as https://github.com/canc...
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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...实时计算、分布式计算等多个技术方向。 对于海量数据处理,从数据库层面来讲无非就是两点:1、压力如何分摊,分摊的目的就是为了把集中式变为分布式。2、采用多种的存储方案,针对不同的业务数据,不同的数据特点,...
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Why is document.write considered a “bad practice”?

...ipt>')</script> I've also seen the same technique for using the json2.js JSON parse/stringify polyfill (needed by IE7 and below). <script>window.JSON || document.write('<script src="json2.js"><\/script>')</script> ...