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[K8s] Kubernetes ¼¯Èº²¿Êð¹ÜÀí·½Ê½¶Ô±È, kops, kubeadm, kubespray

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posted @ 2020-04-21 21:18 ercom ÔĶÁ(5407) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Go] Viper ¼ÓÔØÏîÄ¿ÅäÖã¬go build ´ò°üÅäÖÃÎļþ½ø¶þ½øÖÆ

ÕªÒª£º Viper µÄ´«Í³Ó÷¨¾Ö²¿£¬¼ÓÔص½Ä³¸ö package ϵÄÈ«¾Ö±äÁ¿ºó£¬ÆäËü package ¿ÉÒÔ¼ÌÐøʹÓᣠvar Conf *viper.Viper func init() { // File name without extension '.json' filenameWithoutExt : ÔĶÁÈ«ÎÄ
posted @ 2020-04-19 23:36 ercom ÔĶÁ(2121) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

PHP vs Golang ? ÏëʲôÄØ ! What Are You Thinking !

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posted @ 2020-04-19 20:36 ercom ÔĶÁ(1223) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[FAQ] ÌÚѶÆóÒµÓÊÏä³ÉÔ±µÄÃû×ÖÈçºÎ¶à´Î¸ü¸Ä £¿

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posted @ 2020-04-19 16:20 ercom ÔĶÁ(1293) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Gin] Ö§³Ö FORM ºÍ JSON ²ÎÊýµÄ°ó¶¨ÓëÑéÖ¤

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posted @ 2020-04-18 14:44 ercom ÔĶÁ(6746) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Go] Golang defer Óë MySQL Á¬½Ó¹Ø±ÕµÄÏÝÚå (database is closed)

ÕªÒª£º ÔÚ golang ijЩ orm ÖУ¬Äã¾­³£»á¿´µ½ÕâÖÖÓ÷¨£º func main() { db, err := gorm.Open("sqlite3", "test.db") if err != nil { panic("failed to connect database") } defer db. ÔĶÁÈ«ÎÄ
posted @ 2020-04-17 18:26 ercom ÔĶÁ(6105) ÆÀÂÛ(0) ÍƼö(2) ±à¼­

[PHP] dz̸ Laravel Scout µÄ´æÔÚÒâÒå

ÕªÒª£º ×¢£ºLaravel Scout Êǹٷ½Ö§³ÖµÄ¶Ô¿ò¼ÜÄ£ÐÍÊý¾Ý½øÐÐÈ«ÎļìË÷¹¦ÄܵÄÀ©Õ¹°ü¡£ Laravel µÄ Scout Óë Eloquent ORM ½øÐÐÁËÉî¶È¼¯³É£¬²»Óÿª·¢ÕßÔÙ×Ô¼º½øÐдúÂëÇÖÈëÁË¡£ Laravel µÄ Scout ĬÈϼ¯³ÉµÄÇý¶¯ÊÇ Algolia£¬ÊǸöÈËÏÞÁ¿Ê¹Óã¬ÉÌÒµÐ踶·Ñ¹ºÂòµÄ£¬Ëù ÔĶÁÈ«ÎÄ
posted @ 2020-04-16 22:29 ercom ÔĶÁ(1271) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[FAQ] "cannot refer to unexported name" in Golang ?

ÕªÒª£º Golang ÏîÄ¿ÖÐÈç¹ûʹÓÃÁËÆäËüÄ£¿éÖÐÕÒ²»µ½µÄº¯Êý¡¢³£Á¿µÈ£¬¶¼»áÌáʾ "cannot refer to unexported name"¡£ Óöµ½ÕâÖÖÇé¿ö£¬ÒªÃ´ÊÇƴд´íÎóÁË£¬ÒªÃ´ÊÇÊ××Öĸ´óСдд´íÁË¡£ Golang ÎļþÄÚ£¬Ê××Öĸ´óдµÄº¯Êý¡¢³£Á¿µÈ ¿ÉÒÔ±»ÆäËüÄ£¿é·ÃÎÊ£¬Ê××ÖĸСдµÄÖ»ÄÜÔÚµ±Ç°ÎļþÖÐ¿É ÔĶÁÈ«ÎÄ
posted @ 2020-04-16 22:06 ercom ÔĶÁ(614) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Gin] ÔËÐÐģʽ¼ì²âºÍÉèÖà (mode.go)

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[Gin] ·ÓÉ·Ö×é Group µÄÄÚ²¿ÊµÏÖ Óë ¿é¿Õ¼ä { } µÄÓ¦ÓÃ

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posted @ 2020-04-15 20:05 ercom ÔĶÁ(5983) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Gin] ´«Í³ for Ñ­»·ÖеÄÓïÒåͨÓû¯£¬ÔÚ golang ÖÐʹÓ÷ֺŠ; Ìæ´ú && Á÷³Ì¿ØÖÆ

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posted @ 2020-04-15 11:06 ercom ÔĶÁ(490) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Gin] µ¥Îļþ¼«¼ò HTTP Server Á÷³Ì·ÖÎö ( gin-gonic/gin )

ÕªÒª£º /** * example.go * * @link https://cnblogs.com/farwish */package main import "github.com/gin-gonic/gin" func main() { // ÓÉÓÚÊÇÍⲿµ÷Óðü£¬a56爆大奖在线娱乐±ØÐ뺬°üÃû gin. ×÷Ϊǰ׺ // ÔĶÁÈ«ÎÄ
posted @ 2020-04-14 22:11 ercom ÔĶÁ(1822) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[ELK] Elasticsearch °²×°/ÅäÖá¢Æô¶¯/Í£Ö¹¡¢¼Ó½Úµã/ÖØÆô

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posted @ 2020-04-09 19:51 ercom ÔĶÁ(1574) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[ELK] Elastic Stack µÄ°²È«ÐÔÔ¤ÀÀ

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posted @ 2020-04-09 10:31 ercom ÔĶÁ(287) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Gin] gin.H{} Óë map[string]interface{}

ÕªÒª£º gin.H ÖÐµÄ H ÊÇ¶Ô map[string]interface{} ¶¨ÒåµÄÐÂÀàÐÍ£¬ÓÃÀ´¼ò»¯Éú³É map Êý¾ÝʱµÄÊéд¡£ // H is a shortcut for map[string]interface{} type H map[string]interface{} map[string] ÔĶÁÈ«ÎÄ
posted @ 2020-04-03 19:44 ercom ÔĶÁ(2065) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Go] dz̸ Golang struct Óë PHP class µÄÏàËÆ

ÕªÒª£º Golang ÖÐµÄ struct Óë PHP µÄ class ÔÚʹÓ÷½Ê½Éϲ¶à¡£ struct ÖеijÉÔ±¿ÉÒÔÀà±È class ÖеÄÊôÐÔ£¬struct ÖеijÉÔ±º¯Êý¿ÉÒÔÀà±È class Öеķ½·¨¡£ ¶Ô±ÈʾÀý£º // Golang type CollectorOption func(*Collecto ÔĶÁÈ«ÎÄ
posted @ 2020-04-02 15:46 ercom ÔĶÁ(541) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[FAQ] Git ÐÞ¸Ä×îºóÒ»´ÎµÄÌá½»È˺ÍÌύʱ¼ä £¿

ÕªÒª£º $ date -R Tue, 21 Mar 2021 21:08:58 +0800 $ git commit --amend --author="xxx <xxx@email.com>" --date="Tue, 21 Mar 2021 21:08:58 +0800" Refer£ºGitÌá½»ÈËÐÞ¸Ä ÔĶÁÈ«ÎÄ
posted @ 2020-04-02 15:16 ercom ÔĶÁ(1127) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Blockchain] ¿ª·¢ÍêÕæʵµÄ DApp ºó²ÅÄܵóöµÄ½áÂÛÓë¿´·¨

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[Contract] openzeppelin/cli ¿ª·¢, ²¿Êð, Éý¼¶ÖÇÄܺÏÔ¼

ÕªÒª£º Install Dependency $ npm init $ npm install @openzeppelin/cli Setup project $ npx openzeppelin init Write first contract in contracts/, then compile p ÔĶÁÈ«ÎÄ
posted @ 2020-03-28 17:20 ercom ÔĶÁ(692) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[FAQ] Truffle Deployer ºÏÔ¼´«²ÎÎÊÌâ: Invalid number of parameters for "undefined". Got 0 expected 1!

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[Blockchain] È¥ÖÐÐÄ»¯Ó뻥ÁªÍø·Ö²¼Ê½µÄÁªÏµÓëÇø±ð

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[FAQ] Solidity ²¢·¢Ö´ÐÐ ? ÖØÈë¹¥»÷ ?

ÕªÒª£º Solidity ʵÏֵĺÏÔ¼ÖУ¬º¯Êý²Ù×÷¶¼ÊÇÔ­×Ó²Ù×÷£¬¿õ¹¤±¾µØÖ´ÐУ¬È¡µÃ¹²Ê¶ºó·¢²¼µ½Çø¿éÁ´ÉÏ¡£ ʵ¼Ê·¢²¼µ½Çø¿éÁ´ÉϵIJ»´æÔÚ²¢·¢£¬È«½Úµãͬ²½×´Ì¬µ½±¾µØ¡£ Solidity ÖÐÓÐÈýÖÖ·½Ê½½øÐÐתÕË£¬address.transfer¡¢address.send¡¢address.call¡£ Solidity ÖØ ÔĶÁÈ«ÎÄ
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[Contract] Solidity ¶àÖÖ·ÃÎÊ¿ØÖÆ (Access Control) ʵÏÖ·½Ê½

ÕªÒª£º ÔÚ solidity ÖпØÖÆ·ÃÎÊ£¬Ò»°ãÊÇͨ¹ý modifier ÐÞÊηû·½·¨À´Ö±½Ó×ö¡£ ÄÇô¶ÔÓÚÉÔ¸´ÔӵĶàÖÖ·ÃÎÊ¿ØÖÆ£¬Í¨³£ÐèÒªÒ»¸öͳһ²Ù×÷µÄÄ£¿é»¯Àà¿â¡£ ÏÖÔÚÒѾ­ÓÐÁËÕâÑùµÄÀà¿â´æÔÚ£¬a56爆大奖在线娱乐ÃÇͨ¹ýÒ»¸öʵÏÖ¹¦ÄÜÉÏÔöɾ¸Ä²éµÄ library£¬È»ºóÔÚ¾ßÌåµÄºÏÔ¼ÖÐÉùÃ÷±äÁ¿¡¢°´ÐèʹÓᣠ½¨Òé²Î¿¼ openzeppel ÔĶÁÈ«ÎÄ
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[Contract] Ò»´Î¸ã¶® Solidity µÄ using xx for xx

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[FAQ] VisualStudio, Source file requires different compiler version (current compiler is 0.6.1+cxxxxxx)

ÕªÒª£º µ±Ê¹ÓÃµÄ Solidity ¿âÎļþÖÐ pragma Ö¸¶¨µÄ °æ±¾ Óë±¾µØ±àÒëÆ÷µÄʹÓð汾²»Ò»ÖÂʱ£¬»á³öÏÖÕâÀàÌáʾ¡£ ½â¾ö·½Ê½ÊDz˵¥À¸ View -> Extensions -> Extension Settings -> Compile Using Remote Versio ±à¼­ settings ÔĶÁÈ«ÎÄ
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[Ethereum] dz̸ ERC20 ÔÚ openzeppelin-contracts ÖеĽṹÓëʵÏÖ

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[Ethereum] dz̸¼ÓÃÜÉÌÆ·Êг¡ OpenSea Óë opensea-js

ÕªÒª£º OpenSea ÊÇÓÃÓÚ½»Ò×ÒÔÌ«·»¼ÓÃÜÉÌÆ·µÄÍøÉÏÉ̵꣬Ö÷ÒªµÄÉÌÆ·ÊÇ ERC721¡¢ERC1155 ±ê×¼µÄ Token¡£ ËüµÄÌØÉ«¾ÍÔÚÓÚ£¬Ö»ÐèÒªÒ»¸ö²¿ÊðºÃµÄÖÇÄܺÏÔ¼£¬Äã¾ÍÄÜÔÚ OpenSea ÌṩµÄ½çÃæÉϽ»Ò×£¬ÕâµãÀàËÆ OneClickDapp ÕâÒ»ÀàÕë¶ÔºÏÔ¼Ìṩͳһ½»»¥µÄÍøÕ¾¡£ a56爆大奖在线娱乐ÔÚ½»ÒײãÃæÄãÍêÈ«²» ÔĶÁÈ«ÎÄ
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[ML] Google colab GPU Ãâ·ÑʹÓÃ, ¿É¹ÒÔØ Google drive

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posted @ 2020-03-21 08:28 ercom ÔĶÁ(504) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Ethereum] Gas Station Network (GSN) eip-1613 Óë Gas Relay Network (GRN) eip-1077

ÕªÒª£º ÔÚ Ethereum dapp ÖУ¬ÈκÎÉ漰״̬¸Ä¶¯µÄ½»Ò׶¼ÐèÒªÏûºÄ Gas£¬ÕâÏÞÖÆÁ˺ܶàûÓÐÇ®°ü»òÕß ETH µÄÓû§¶Ô dapp µÄ²ÉÓᣠÀíÄî È÷ÇÒÔÌ«Óû§Äܹ»·ÃÎÊÖÇÄܺÏÔ¼ (Èçdapps)£¬ÔÊÐíºÏÔ¼½ÓÊÜ¡°½ÓÌýÀ´µç¡±£¬¼´ÎªÀ´µç¸¶·Ñ¡£ ÈúÏÔ¼Ôڿɹ«¿ª·ÃÎʵÄÇþµÀÉÏ¡°¼àÌý¡±(ÀýÈçweb URL)¡£¹ÄÀø ÔĶÁÈ«ÎÄ
posted @ 2020-03-20 16:46 ercom ÔĶÁ(519) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Contract] truffle-flattener ºÏ²¢ Solidity ÎļþµÄÒÀÀµµ½Ò»¸öÎļþ

ÕªÒª£º ʹÓà $ npm install truffle-flattener -g $ truffle-flattener <solidity-files> > output.sol Ϊʲô²»ÊÇ Solidity Flattener £¿ truffle-flattener Óë truffle ½áºÏ½ôÃÜ£¬ÀûÓà ÔĶÁÈ«ÎÄ
posted @ 2020-03-20 14:30 ercom ÔĶÁ(1938) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Contract] Ò»´Î¸ã¶® ETH Gas, GasPrice, GasLimit Ö®¼ä¹ØϵÓëʹÓÃ

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posted @ 2020-03-20 00:03 ercom ÔĶÁ(4729) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Blockchain] ÒÔÌ«·»Ö÷Á÷²âÊÔÍø ropsten ºÍ kovan µÄÇø±ð ÒÔ¼° ÈçºÎÑ¡Ôñ

ÕªÒª£º ropsten ²ÉÓà POW (Proof-of-Work)¹²Ê¶»úÖÆ£¬ÍÚ¿óÄѶÈϵÊý·Ç³£µÍ£¬ÈÝÒ×±»¹¥»÷£¬²»¹»µÍ̼»·±£¡£ kovan ²ÉÓà POA (Proof-of-Authority)¹²Ê¶»úÖÆ£¬²»ÐèÒªÍÚ¿ó£¬ÓÉ¿ª·¢ÈËÔ±Ö÷¶¯ÉêÇ롢ȨÍþ½ÚµãÉú³ÉETH£¬µÍ̼»·±£¡£ a56爆大奖在线娱乐ÏëÒªÍêÈ«×ÔÖúµÄ£¬»ñÈ¡ ropsten ÔĶÁÈ«ÎÄ
posted @ 2020-03-19 15:43 ercom ÔĶÁ(2760) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Blockchain] Ç°ºó¶ËÍêÈ«È¥ÖÐÐÄ»¯µÄ˼·, IPFS Óë Ethereum Contract

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posted @ 2020-03-19 13:55 ercom ÔĶÁ(415) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Cryptocurrency] rDAI Óë DAI µÄÇø±ð, ÈçºÎÖÊѺ rDAI »ñÈ¡ÀûÏ¢

ÕªÒª£º ÒÔϺÏÔ¼²Ù×÷ÐèÒªÔÚ°²×° MetaMask ( ÒÔÌ«·»µÄä¯ÀÀÆ÷Ç®°ü ) µÄÇé¿öϽøÐС£ rDAI ͨ¹ýºÍ DAI 1 : 1 »¥»»µÃµ½£¬ÔÚ rDAI ÌṩµÄ dapp ÉÏÃæ²Ù×÷ https://app.rdai.money Ñ¡Ôñ CREATE ±êÇ©£¬µÚÒ»²½¼ÓºÃ¡°ÊÕÒ桱ÊÕÈ¡µØÖ·³Ø(Ò»¸ö¾Í¿ÉÒÔ)£¬µÚ¶þ²½ÖÊ ÔĶÁÈ«ÎÄ
posted @ 2020-03-18 18:39 ercom ÔĶÁ(433) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Contract] ETH Óë Gas Ö®¼äµÄ¼Û¸ñת»»¹Øϵ, Ethereum Gas Price Chart

ÕªÒª£º ÒÔÌ«·»ÍøÂçÿÌìµÄƽ¾ùÆø¼Û(Gas)ÊDZ仯£¬ÓÐÒ»Õż۸ñ±í£ºhttps://etherscan.io/chart/gasprice È»ºóÄã¿ÉÒÔÖªµÀ 1 Gas = xx Gwei£¬ÔÙ»»ËãһϠ1 ETH = xx Gas ¼´¿É¡£ ÁíÍâÄãÐèÒª ¸ã¶® ETH Gas, GasPrice, GasLimit ÔĶÁÈ«ÎÄ
posted @ 2020-03-14 09:11 ercom ÔĶÁ(2066) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Contract] Solidity ºÏÔ¼·¢²¼µ½²âÊÔÍø ropsten µÄ×÷ÓÃ

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posted @ 2020-03-14 07:07 ercom ÔĶÁ(610) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[Contract] Solidity ºÏԼʹÓà truffle ²¿Êðµ½²âÊÔÍøºÍÖ÷Íø

ÕªÒª£º ʹÓà truffle ·¢²¼µ½·Ç±¾µØµÄÒÔÌ«·»Ö÷Íø»òÕß²âÊÔÍøʱ£¬ÐèÒªÌṩǮ°üµÄÖú¼Ç´Ê»ò˽Կ¡£ Ê×ÏÈ°²×° truffle ×é¼þ£ºnpm install @truffle/hdwallet-provider ×¢²á https://infura.io£¬µÃµ½ project id ºÍ key£¬Ê¹ÓÃÆä api Á¬ ÔĶÁÈ«ÎÄ
posted @ 2020-03-13 19:22 ercom ÔĶÁ(1648) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[FAQ] Solidity ºÏÔ¼Ïú»Ù £¿

ÕªÒª£º ½ö´´½¨Õß¿ÉÒÔÏú»ÙºÏÔ¼µÄʾÀý£º address public owner; // When deploy contract constructor() public { owner = msg.sender; } function destroyContract() external onlyOwne ÔĶÁÈ«ÎÄ
posted @ 2020-03-10 16:23 ercom ÔĶÁ(888) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[PHP] ¼¸¸öÍÏÂý PHP ³ÌÐò/API ÔËÐÐËٶȵĵã

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posted @ 2020-03-10 15:48 ercom ÔĶÁ(555) ÆÀÂÛ(0) ÍƼö(0) ±à¼­

[FAQ] MetaMask ALERT: ½»Ò׳ö´í. ºÏÔ¼´úÂëÖ´ÐÐÒì³£.

ÕªÒª£º Ê×ÏÈÈ·ÈÏÔØÈëµÄºÏÔ¼µØÖ·ÊÇ·ñÊÇ×îеģ¬±ÈÈç web3 ÔØÈëµÄ abi ¸ñʽµÄ json ÎļþÃû Õý²»ÕýÈ·¡£ Æä´ÎÐèÒª¼ì²éºÏÔ¼Âß¼­ÊÇ·ñ¶¼ÕýÈ·£¬ÒÔ¼°ÊÇ·ñÊǺÏÔ¼Å׳öµÄ´íÎó£¬ÕâÁ½µã×îºÃÊÇͨ¹ýд²âÊÔÓÃÀýÀ´±£Ö¤¡£ ×îºó¿´µ÷Ó÷½ÊÇ·ñ´«²ÎÓÐÎÊÌ⣬°üÀ¨µ÷ÓúÏԼʱ´«µÝµÄÈκa56爆大奖在线娱乐»¸öÑ¡Ï±ÈÈç from, value, dat ÔĶÁÈ«ÎÄ
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