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How to optimize Nginx configuration performance

paragraph of the send-when the need to send data in a timely manner, it should be set to the application of this property, so that a small piece of data can not be sent immediately after the return value. Access_log off; Error_log/var/log/nginx/error.log Crit; Access_log sets whether Nginx will store access logs. Turn off this option to make read disk IO operations faster (Aka,yolo) Error_log tells Nginx to log only serious errors: Keepalive_timeout

Nginx Installation and Configuration

header files in one packet without sending them one after the other.Tcp_nodelay tells Nginx not to cache the data, but a paragraph of the send-when it is necessary to send the data in a timely manner, you should set this property to the application, so that when sending a small piece of data information can not immediately get the return value. Access_log off; Error_log/var/log/nginx/error.log Crit; access_log Sets whether Nginx will store access logs. Turn off thi

Use and difference of __bridge,__bridge_transfer and __bridge_retained "reprint"

type ' NSString * ' to C pointer type ' Cfstringref ' (aka ' const struct __cfstring * ') requires a Bridged castUse __bridge to convert directly (no change in ownership)Use __bridge_retained to make an ARC object available as a +1 ' Cfstringref ' (aka ' const struct __cfstring * ')The error has prompted what we need to do: to transform with __bridge or __bridge_retained, the difference is to change the ow

The 100 good movies that life must see

, "Modern revelation" profound implication, grand scene, wonderful performance, this is definitely a can shake your heartThe movie!73, "First love 50 times" in addition to humor and moved intertwined with "torture" us, but also very eye-pleasing, attractive, beautiful.74, "Elizabeth Town" real emotion coupled with natural humor, become a tear and laughter mixed together in a moving film.75, "Butterfly Effect" is a great movie, in the heart once again and again ask oneself, if can go back to the

Absolutely detailed! Nginx basic configuration, Performance optimization guide

copy is done in the kernel, sendfile () is more efficient than combining read () and write () and turning off the discard buffer (more about Sendfile)Tcp_nopush tells Nginx to send all header files in one packet without sending them one after the other.Tcp_nodelay tells Nginx not to cache the data, but a paragraph of the send-when it is necessary to send the data in a timely manner, you should set this property to the application, so that when sending a small piece of data information can not i

Static link library and dynamic link library

defined Mydll_exports, so the Predll_api expanded to __declspec (dllexport).The purpose of this is to have the DLL and the caller share the same h file, in the DLL project, the definition of MYDLL_EXPORTS,PREDLL_API is the export; In the project that calls the DLL, the MYDLL_EXPORTS,PREDLL_API is not defined as the import.Using the static link library (LIB)Using the static link library requires the library's developers to provide the library's header files and Lib files, generally the Lib file

IO-04. Mixed type data format input (5)

each line after the cout.1#include 2#include 3 using namespacestd;4 intMain ()5 {6 intA;7 floatb,c;8 CharD;9Cin>>b>>a>>d>>C;Tencout" "" "; OneCoutfixed) 2) " "; ACoutfixed) 2) Endl; - return 0; -}Run Result: Compile error a.cpp:in function ' int main () ': A.cpp:11:29:error:cannot convert ' std::ios_base (*) (std::ios_base) ' to ' std:: Ios_base::fmtflags {aka Std::_ios_fmtflags} ' for argument ' 1 ' to ' Std::_setiosflags

On the use of the Scala underline

_)//Error Set.foreach (Process (_))//No Error}In the first case, process _ represents a method; Scala takes the Polymorphic method and attempts to make it monomorphic by filling in the type parameter, but realizes that There is no type so can be filled on for A so would give the type (_ = = Unit) =? (Existential _ is not a type).In the second case, process (_) is a lambda; When writing a lambda with no explicit argument type, Scala infers the type from the argument that foreach expects, and _ =

Limitations of entry application deployment (pplication layout for beginners)

loading is faster. It is used for product release. Ext-all-debug.js-Easy to read and use during development, The debug version must be introduced during the development phase. Applayout. jsThis file is our program, followed by a localized script, which can be replaced with an extjs translated version. Next we start to allocate event handler so that after all the documents are loaded, the program can be initialized (run ). The following line: Ext.Onready(Mynamespace.App.Init, Myn

_ Bridge ,__ bridge_transfer and _ bridge_retained

concept of object reference count, but they are not cocoa framework: retain/release of foundation framework, instead, it is its own cfretain/cfrelease interface. These two types of objects can be converted and operated on each other. When we do not use arc, we simply use C-type conversion and do not need to consume CPU resources. Therefore, they are called toll-free bridged. For example, nsarray, cfarrayref, nsstring, and cfstringref belong to different frameworks but have the same object struc

Xvidopen source code xvidcore-1.1.3.zip

code, Click on the workspace file, and a few second later, you'll have the Xvid binary. Just make sure you build the xvidcore first.Iv. Installing XvidFor Windows users, there are really only three files you have to be concerned:1) XviD. dll and XviD. inf-Both of these files are in the "To install the Xvid video for Windows codec (aka XviD. dll) A) simply right-click the "XviD. inf" and select "Install" from the context menu. That's it,

C # list of open-source projects (including domestic and foreign projects)

platform. See all Open Source Persistence Frameworks in C # Open Source Portals in C # OmniPortal-OmniPortal was built on the idea of having a web-portal-kernel, that cocould handle security, themeing, and localization. See all Open Source Portals in C # Open Source Profilers in C # NProfiler-An application profiler for. NET See all Open Source Profilers in C # Open Source Project Management Tools in C # User

Design Pattern -- 17. Behavioral. Command. Pattern (CSharp Sample)

, and therefore they can support commands to cook has different items. Check list Define a Command interface with a method signature likeexecute(). Create one or more derived classes that encapsulate some subset of the following: a "login er" object, the method to invoke, the arguments to pass. Instantiate a Command object for each deferred execution request. Pass the Command object from the creator (aka sender) to the invoker (

Qtopia dependencies and necessary conditions

This is my previous translation. I am posting it here. I hope it will help you. Qtopia-dependencies and prerequisites Original file: http://doc.trolltech.com/qtopia2.1/html/qtopia-dependencies.html Qtopia dependencies and necessary conditions IntroductionTo make qtopia run correctly, the following conditions must be met:Install appropriate compilation/cross-compilation toolsQT/Embedded-2.3.11Linux Kernel supports shared memory, MMAP, and socket.Linux supports Frame BufferLinux supports OSS soun

How to compile Xvid with Microsoft Visual C ++ 6.0

directories for" dropdown box.E) Add the following entry: "F) use the little up arrow icon to move the entries to the top of the list. Iii. Compiling Xvid Now you can download the source code, click on the workspace file, and a few second later, you'll have the Xvid binary. Just make sure you build the xvidcore first. Iv. Installing Xvid For Windows users, there are really only three files you have to be concerned: 1) XviD. dll and XviD. inf-Both of these files are in the " To install the Xvid

Dynamic binding vs Static Binding

Dynamic bindings (aka late binding)Dynamic binding means that the compiler does not know which method to invoke at compile time until the runtime can determine it. Let's use an example to explain. For example, we have a parent class called ' superclass ' and a subclass ' subclass ' that inherits it. Now superclass references can also be assigned to objects of type subclass. If there is a SomeMethod () method in superclass, and the subclass overrides t

Use WEKA for data mining-Chapter 2: Regression

dataset has 398 rows of data, which is sufficient to meet our various statistical needs, which cannot be achieved in our house price model. Theoretically, this is an extremely complex regression model, WEKA may take a lot of time to create a model with so much data (but I guess you have foreseen that WEKA can process this data well ). To use this dataset to generate a regression model, we need to strictly process the data according to the steps for processing house data, so I will not repeat it

Build L2TP over IPsec on Linux (using openswan and l2tpd. 0.69)

Author: kendivDate: 2006.12.20 *************************************Requirements*************************************A. Linux kernel, either 2.0, 2.2, 2.4 or 2.6 based.B. If building from source, libgmp development libraries. *************************************Klips netkey (aka "26sec" or "native ")*************************************For linux kernels 2.6.0 and higher, openswan gives you the choice of using the built in IPsec stack (netkey)Or the

Introduction to the soft AP function hostapd in Linux

-TTLS/EAP-TLS EAP-TTLS/mschap 5) EAP-TTLS/PAP EAP-TTLS/chap. EAP-SIM EAP-AKA EAP-AKA' EAP-PAX EAP-PSK EAP-SAKE EAP-FAST EAP-IKEv2 EAP-GPSK Following methods are also supported, but since they do not generate keying material, they cannot be used with WPA or IEEE 802.1x WEP keying. The following functions are also supported, but these do not generate key data, so they cannot be used together wit

Detailed descriptions and comparison of several video formats: S-video vs. composite video vs. Component Video

designed to display separateLuminance (y)AndChrominance (c)Signals. S-video connector pin-out: Recommendation: The increase in picture quality that you'll get in platform games (like the PS2) when you move from composite (yellow-plug) to s-video is very noticeable and is well worth spendingThe extra money to buy the optional cable. Component(Not composite) video [aka Analog Component Video; y-Pb-PR; red-green-blue]: Uses a thr

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