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C# 操作MongoDb插入、更新、查询 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...in collection)
{
string id = MongoDataHelper.GetString(col, "_id");
}
}
提示函数过期警告:
warning CS0618: “MongoDB.Driver.MongoServer.Create(string)”已过时:“Use MongoClient.GetServer instead.”
解决:
MongoServer server = MongoServer.Create(Config.Mon...
LOGFONT 和 CFont 区别 - VC/MFC - 清泛IT论坛,有思想、有深度
... ANSI_CHARSET, // nCharSet
OUT_DEFAULT_PRECIS, // nOutPrecision
&nb...
MFC 设置控件字体,颜色,大小,粗体,下划线等 - C++ UI - 清泛IT社区,为...
...ation
FW_BOLD, // nWeight
TRUE, // bItalic
TRUE, // bUnderline
&n...
Set selected option of select box
... code into a $(document).ready:
$(function() {
$("#gate").val('gateway_2');
});
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Transaction isolation levels relation with locks on table
...B just executes a SELECT statement to read data. C reads and updates data. All these process work on the same table T.
READ UNCOMMITTED - no lock on the table. You can read data in the table while writing on it. This means A writes data (uncommitted) and B can read this uncommitted data and use it...
Convert integer to binary in C#
...o extra code, just input, conversion and output.
using System;
namespace _01.Decimal_to_Binary
{
class DecimalToBinary
{
static void Main(string[] args)
{
Console.Write("Decimal: ");
int decimalNumber = int.Parse(Console.ReadLine());
int...
How do I make an http request using cookies on Android?
...ookies when I make subsequent requests). It'd be nice to preserve any and all cookies, but really the only one I care about is the session cookie.
...
Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
8 Answers
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fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...tform, for the insufficiency of cuda. I think the library files linked are all compiled on the x86 platform, but when I compile it, I get the error message "fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'".
...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...0 +0000" GIT_COMMITTER_DATE="Thu, 01 Jan 1970 00:00:00 +0000" git commit --allow-empty -m 'Initial commit'
Will give you:
(See the tree SHA1?)
You can even rebase your existing history on top of that empty commit (see "git: how to insert a commit as the first, shifting all the others?")
In bo...
