Tag：space
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Time：2021-9-17
Hello, I’m ruffian Heng, a serious technical ruffian. What ruffian Heng introduced to you today isSeveral methods of dispersing and linking application RW segments under MCU Xpress IDE。 Early MCU chips generally embedded internal flash and ram, and there was only one piece of flash and RAM (i.e. both within the range of continuous mapping […]
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Time：2021-9-17
Simple editing of blog text using typora + markdown syntax ！！！ be careful!!! The input symbol must be in English!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! If it is different, be sure to check whether the input method is in English Using software typora Click to jump to the official website of typora title input#+ space Secondary title input##+ space Tertiary […]
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Time：2021-9-16
date author edition remarks 2021-03-24 dingbin V1.0 When C + + programmers inevitably encounter things such as changing computers and servers in their daily development, rebuilding and building a C + + development environment is too heavy and takes a lot of unnecessary precious time. VIM’s youcompleteme (YCM) plug-in can realize better automatic completion and […]
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Time：2021-9-15
Simple dynamic string SDS Redis does not directly use C’s string (a character array ending with null characters), but builds an abstract type of string (simple dynamic string, SDS). Key value pairs containing string values are implemented by SDS 127.0.0.1:6379> set msg “hello wordl” OK The key is a character object, and the bottom layer […]
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Time：2021-9-15
1. New allocates a space from free memory, while malloc allocates a space from heap 2. Malloc actually allocates a matching memory first, and then performs forced conversion. （int *） int* a = (int*)malloc(20 * sizeof(int)); 20 ints are allocated, so it can actually be accessed as an array. a[0] = 1; a[1] = 2; […]
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Time：2021-9-14
URL scheduler Concise and elegant URL pattern is a very important detail in high-quality web applications. Django allows you to design your URL arbitrarily without being bound by the framework. Not required.phpor.cgiNo similar requirements0,2097,1-1-1928,00Such a meaningless thing. See Berners Lee, inventor of the world wide webCool URIs don’t change, which has excellent arguments on why […]
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Time：2021-9-11
The configuration method of aspnet core multi environment is based on the startup class. WebBuilder. Usestartup() / / explicitly register and target startup.cs webBuilder.UseStartup(Assembly.GetExecutingAssembly().FullName); // Multi environment writing method: select the class based on the agreed name according to the environment variables There are two other methods, which are not described in detail here. It […]
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Time：2021-9-11
Series catalog Preface preparation BIOS boot to real mode GDT and protection mode On virtual memory Load and enter the kernel Display and print Global descriptor table GDT Interrupt processing Virtual memory perfection Implement heap and malloc First kernel thread Multithreading operation and switching Lock and multithreading synchronization Enter user status Process implementation system call […]
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Time：2021-9-10
Symbols in text, such as $$a \ in B$$ ###Symbols in formulas be careful:\inFollowed by a space Root sign Root sign\sqrt{}Indicates that the input of other root signs is by command\Sqrt [“several powers”] {}express \sqrt{x} \sqrt[3]{x} mathematical formula This work adoptsCC agreement, reprint must indicate the author and the link to this article Hacking
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Time：2021-9-9
qq-zoneQQ space crawler, multi process concurrent download of photos / videos of photo albums preface QQ photo albums can be said to store bits and pieces of the lives of a large number of people. Recently, I found that QQ space inexplicably deleted short videos or photos. I remember similar news reports in the past […]
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Time：2021-9-7
Write first This article is about how to use Flomesh[1] The service grid is used to strengthen the service governance capability of spring cloud, reduce the threshold for the spring cloud micro service architecture to land on the service grid, and realize “independent control”. Document in github[2] It is continuously updated […]
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Time：2021-9-5
ruleYou can adjust the script to suit your use according to the following rules. Identify that the utilization rate of table space (non extended) is > = 90%, and the remaining available space is < = 100000m;Identify the part before \ or / in the data file name as the data file path (distinguish between […]
