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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...下文的，最好放在MongoDB的启动脚本里。
有时候，MongoDB连接数过多的话，会拖累性能，可以通过serverStatus查询连接数：
mongo> db.serverStatus().connections
每个连接都是一个线程，需要一个Stack，Linux下缺省的Stack设置一般比较大：
...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...下文的，最好放在MongoDB的启动脚本里。
有时候，MongoDB连接数过多的话，会拖累性能，可以通过serverStatus查询连接数：
mongo> db.serverStatus().connections
每个连接都是一个线程，需要一个Stack，Linux下缺省的Stack设置一般比较大：
...
How can I override Bootstrap CSS styles?
...
507
Using !important is not a good option, as you will most likely want to override your own style...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...下文的，最好放在MongoDB的启动脚本里。
有时候，MongoDB连接数过多的话，会拖累性能，可以通过serverStatus查询连接数：
mongo> db.serverStatus().connections
每个连接都是一个线程，需要一个Stack，Linux下缺省的Stack设置一般比较大：
...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...存管理算法会带来明显的性能提升。比如nginx， 它在每个连接accept后
需求
系统的物理内存是有限的，而对内存的需求是变化的, 程序的动态性越强，内存管理就越重要，选择合适的内存管理算法会带来明显的性能提升。
比...
Printing 1 to 1000 without loop or conditionals
...t: Added '&' so it will consider the address hence evading the pointer errors.
This version of the above in standard C, since it doesn't rely on arithmetic on function pointers:
#include <stdio.h>
#include <stdlib.h>
void f(int j)
{
static void (*const ft[2])(int) = { f, exit ...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...
See
Sending text data over a Bluetooth HC-08 module MIT App Inventor Help
Well done Stef. Interesting conversation you were having with yourself there
The reason you cannot send more than 20 characters is that the BLE data packet size defaults to appro...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...NULL;
void * pSock = NULL;
//使用tcp协议进行通信，需要连接的目标机器IP地址为192.168.1.2
//通信使用的网络端口 为7766
const char * pAddr = "tcp://192.168.1.2:7766";
//创建context
if((pCtx = zmq_ctx_new()) == NULL)
{
retur...
Was PreferenceFragment intentionally excluded from the compatibility package?
... your first comment there - Commonsware's code will work on pre & post HC devices - try it first before making comments like that. The thing you need to realise is the late binding used at runtime to support previous devices. The version check at runtime takes care of supporting both families of...
Equation (expression) parser with precedence?
...about 100 lines for the parser, 15 lines for a wrapper function) including error reporting, and comments.
You can find a live demo at http://users.telenet.be/bartl/expressionParser/expressionParser.html.
// operator table
var ops = {
'+' : {op: '+', precedence: 10, assoc: 'L', exec: function(l...