if not equal

I did not think that my first two articles are quite popular, thank you, today to collate the use of the mutex.One: MutexFirst look at the MSDN explanation for it:Yes, there has been a bright spot, can be used for "inter-process synchronization",

1. What is AssetbundleAssetbundle is a file format used by Unity Pro to store resources that can store any kind of resources that the unity engine can recognize, such as scene, Mesh, Material, Texture, Audio, NOXSS, and so on, while Assetbundle can

The following is referenced from http://wiki.jikexueyuan.com/project/java/basic-operators.html:Java provides a rich set of operators for manipulating variables. You can divide all the Java operators into the following groups: Arithmetic

??the Sword means offer "P163 Title: Find a number in the array that appears more often than the entire length of the arraySolution One: The original problem is converted to the median of the array, using the idea of high-speed sequencing, each time

The former uses the property's point operator, which is equivalent to calling the ABC corresponding set method, and this sentence is the same: [Self setabc:nil];The latter does not pass the property, directly accesses the member variable, and calls

Array-heavy operations are often used in JavaScript project development. This is the way to use the JS array to heavy.Demo1:The first: JS array de-re-operation method is to use the traversal of the original array, using the array of indexof ()

Select a sort of C + + implementationFirst, source code: SelectSort.cpp1 /*2 The basic idea of choosing a sort (small to large) is to first select the smallest number and put it in the first position;3 then, the second small number is selected and

Reference: https://wenku.baidu.com/view/6c60420ecc175527072208af.htmlFor example, to save a selection to a picture on the desktop:1 Subsave a selection to a picture to the desktop ()2 DimAns as BytePic as String, Paths as String3 on Error

----------------------------------------------------------------------------------------------------------Http://www.ruanyifeng.com/blog/2016/04/cors.htmlThe entire cors communication process is done automatically by the browser and does not require

1. ConclusionThe new version of the Hash_map are unordered_map, here only unordered_map and map.Operational efficiency: The UNORDERED_MAP is the highest, while map efficiency is low but provides a stable efficiency and orderly sequence.Memory

[Lab task Four]:1. Programming IdeasAccording to Randomstr.java, randomly generated 6 letters, output in the dialog box, the user according to the random generated verification code corresponding input, the program according to the user input

1. What is the difference between equals and = =?　　= = Determines whether two variables or instances are pointing to the same memory addressEquals is to determine whether the values in the memory address pointed to by two variables or instances are

Memcache is a free, open source, high performance, distributed, distributed memory object caching system for dynamic Web applications to reduce the load on the database. It improves the speed of website access by caching data and objects in memory

1. Mastering machine codes for NOP, JNE, JE, JMP, CMP assembly instructionsNOP : The NOP instruction is the "null instruction". When executing to the NOP instruction, the CPU does nothing, just as an instruction to execute the past and continue

Do monitoring and backup up to1. What is a shell script?It's a scripting language, not a programming language.You can use some logical judgments, loops, and other syntaxYou can customize the sub-functionis a collection of system commandsShell

# total number of cores = number of physical CPUs X number of cores per physical CPU# Total Logical CPUs = number of physical CPUs x number of cores per physical CPU X number of hyper-threads # View the number of physical CPUscat/proc/cpuinfo| grep "

In this paper, the concept of udev and related terminology, udev configuration files and rules files are expounded in a popular way, and some examples of managing device files and querying device information are presented on the platform of Red Hat

In fact, this blog is reading ldd3 Some of the summary, to consolidate their own learning, but also convenient for later use. You can also read the original LDD3 directly.Lock traps are the so-called lock traps that prevent deadlocks.       

#!/usr/bin/env Bashansilbeif [$-eq 0] #检查上一命令是否执行成功, if not equal to 0, install then echo ' ansible existing ' else #设置EP El Warehouse Rpm-iuvh http://dl. fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm #使用yum安装Ansible yum-y

Network Five elements:MAC address IP address netmask Gateway DNS:convert IP address to domain name Pingifconfigroute/etc/resolv.Confnetstatipnmapcat/etc/resolv.conf view DNS, get nameserver 192.168.0.1ping Google.CA If there is a packet return it