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Thread-safe List property
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If you are targetting .Net 4 there are a few options in System.Collections.Concurrent Namespace
You could use ConcurrentBag<T> in this case instead of List<T>
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Delete an element from a dictionary
..., and also using linear space. For small dicts, this is not a problem. But if you're planning to make lots of copies of large dicts, you probably want a different data structure, like a HAMT (as described in this answer).
sh...
Check a radio button with javascript
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Do not mix CSS/JQuery syntax (# for identifier) with native JS.
Native JS solution:
document.getElementById("_1234").checked = true;
JQuery solution:
$("#_1234").prop("checked", true);
s...
AngularJS ng-click stopPropagation
... console.log('inside the directive')
});
});
}
}
}
Now, you can easily use it in any button, link, div, etc. like so:
<button set-survey-in-edition-mode >Edit survey</button>
share
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_access头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
_access头文件_access头文件 #include #include <io.h>
_access 头文件
mfcs110ud.lib(dllmodul.obj) : error LNK2005: _DllMain@12 已经在 Xxx.ob...
mfcs110ud.lib(dllmodul.obj) : error LNK2005: _DllMain@12 已经在 Xxx.obj 中定义原因分析:_USRDLL定义有的话,MFC会自动生成一个DllMain入口函数,这时在dll源码中额外又添加了一个DllMain入口函数,就会出现重定义冲突。
原因分析:
_USRDLL定义...
c/c++如何获取CPU的序列号? - C/C++ - 清泛网 - 专注C/C++及内核技术
... long st2 = 0;
unsigned long s1,s2;
unsigned char vendor_id[]="------------";
char CPUSERIAL[20];
memset(CPUSERIAL,0,20);
__asm{
xor eax,eax
cpuid
mov dword ptr vendor_id,ebx
mov dword ptr vendor_id[+4],edx
mov dword ptr vendor_i...
error C2872: “count”: 不明确的符号 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ram Files\Microsoft Visual Studio 11.0\VC\INCLUDE\xutility(3251) : iterator_traits<_Iter>::difference_type std::count(_InIt,_InIt,const _Ty &)”
conflict.cpp(12) : error C2872: “count”: 不明确的符号 可能是“conflict.cpp(4) : int count” 或 “C:\Program Files\Microsoft Visual S...
MFC 获取当前时间的几种方法总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ime curTime = CTime::GetCurrentTime();CString strCurTime;strCurTime.Format(_T("d d d d:d:d"), curTime...1.CTime类获取当前时间
CTime curTime = CTime::GetCurrentTime();
CString strCurTime;
strCurTime.Format(_T("d/d/d d:d:d"), curTime.GetYear(), curTime.GetMonth(), curTime.GetDay(), curTi...
MongoDB sort排序、index索引教程 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...排列。
语法
sort()方法基本语法如下所示:
>db.COLLECTION_NAME.find().sort({KEY:1})
注意:
即使键值写错了(即文档中没有该键值),命令本身不会报错,当然排序也没有效果。
实例
col 集合中的数据如下:
{ "_id" : ObjectId("56066542...
