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'Operation is not valid due to the current state of the object' error during postback

... your stack trace looks like following then you are sending a huge load of json objects to server Operation is not valid due to the current state of the object. at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeDictionary(Int32 depth) at System.Web.Script.Serializa...
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When do items in HTML5 local storage expire?

...lue: "value", timestamp: new Date().getTime()} localStorage.setItem("key", JSON.stringify(object)); You can parse the object, get the timestamp and compare with the current Date, and if necessary, update the value of the object. var object = JSON.parse(localStorage.getItem("key")), dateString...
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What does “async: false” do in jQuery.ajax()?

..., //very important: else php_data will be returned even before we get Json from the url dataType: 'json', success: function (json) { php_data = json; } }); return php_data; })(); Above example clearly explains the usage of async:false By setting it to false, we have mad...
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How do I link a JavaScript file to a HTML file?

... type: "GET", url: "https://reqres.in/api/users/", data: '$format=json', dataType: 'json', success: function (data) { $.each(data.data,function(d,results){ console.log(data); $("#apiData").append( "<tr>" +"<td>"+...
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stl 字符串std::string作为std::map主键key实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

...文通过一个实例介绍std::map字符串作为key常见用法,并使用find_if实现map按value值查找。代码如下: #include <map> #include <string> #include <algorithm> using namespace std; class map_value_finder { public: map_value_finder(const std::string &cmp_stri...
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CListCtrl 如何设置单元格颜色? - C/C++ - 清泛网 - 专注C/C++及内核技术

...。 其原理是:设置CListCtrl控件OwerDraw属性为true,然后使用GDI画图函数进行各种自定义绘制。 拓展类为CColorListCtrl,必需引入代码:ColorListCtrl.zip(4个文件) 将源码引入工程,#include "ColorListCtrl.h",将CListCtrl换成CColorLis...
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Discuz 证件类型下拉框不显示解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...来了?是不是很神奇? 前台程序代码没得问题,放心使用! 找到文件 \source\admincp\admincp_members.php ,搜索代码共两处: C::t('common_member_profile_setting')->update('idcardtype', $setarr); 改为: C::t('common_member_profile_setting')->update('id...
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路径 /storage/emulated/0/... 在哪儿? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...: 最后我们来看看专业解释: android 4.2,会使用fuse技术/dev/fuse 会被挂载到/storage/emulated/0 目录,为了兼容以前版本,同时挂载到 /storage/emulated/legacy (故名思议,传统),还建立三个软连接 /storage/sdcard0 ,/sdcard...
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WinImage 映像读写工具 - 软件下载 - 清泛网 - 专注IT技能提升

...属性,由于修改硬盘主引导记录可能会阻止计算机启动,使用时需要谨慎。能从物理驱动器中创建虚拟硬盘映像,也可以恢复物理驱动器中虚拟硬盘映像,恢复物理驱动器中虚拟映像映像将完全擦除物理驱动器中内容,支...
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WinImage 映像读写工具 - 软件下载 - 清泛网 - 专注IT技能提升

...属性,由于修改硬盘主引导记录可能会阻止计算机启动,使用时需要谨慎。能从物理驱动器中创建虚拟硬盘映像,也可以恢复物理驱动器中虚拟硬盘映像,恢复物理驱动器中虚拟映像映像将完全擦除物理驱动器中内容,支...