共找到 10000 個(gè)相關(guān)內(nèi)容
NoSQL Taiwan #6 – Redis Data Structure
課程簡介:No sql taiwan #6 redis data structure from Felix Lin 這是在NoSQL Taiwan的分享,在做投影片的時(shí)候,一直在思考要以什麼角度下去寫,可以講的東西很多,但包山包海的的投影片一定讓大家有聽沒有懂。經(jīng)過了幾次砍掉重練,決定以SQL為範(fàn)例,製作一個(gè)最簡單
2016-06-07
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1180
Redis new data structure: the HyperLogLog
課程簡介:Generally speaking, I love randomized algorithms, but there is one I love particularly since even after you understand how it works, it still remains magical from a programmer point of view. It accomplishes something that is almost illogic
2016-06-07
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1149
idea怎么導(dǎo)入jdbc
課程簡介:如何導(dǎo)入 JDBC 到 IDEA:打開 IDEA,依次選擇 "File" > "Project Structure"。在 "Libraries" 中,點(diǎn)擊 "New Library" 并添加 JDBC 驅(qū)動(dòng) JAR 文件。在 "Data Sources" 中,創(chuàng)建 JDBC 數(shù)據(jù)源并填寫數(shù)據(jù)庫信息。在 "Connection Pools" 中,創(chuàng)建連接池并設(shè)置連接數(shù)和超時(shí)時(shí)間。在代碼中,使用 DriverManager.getConnection() 方法獲取數(shù)據(jù)庫連接。
2024-06-13
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640
Oracle DDL,DML,DCL,TCL 基礎(chǔ)概念
課程簡介:DDL Data Definition Language (DDL) statements are used to define the database structure or schema. Some examples:
2016-06-07
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1140
Finally Redis collections are iterable
課程簡介:Redis API for data access is usually limited, but very direct and straightforward. It is limited because it only allows to access data in a natural way, that is, in a data structure obvious way. Sorted sets are easy to access by score rang
2016-06-07
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1366
Python有什么數(shù)據(jù)結(jié)構(gòu)
課程簡介:Python中的內(nèi)置數(shù)據(jù)結(jié)構(gòu)(Built-in Data Structure):列表list、元組tuple、字典(dictionary)、集合set。
2019-06-27
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8416
在MAC里啟動(dòng)和停止的MySQL和PostgreSQL的的指令
課程簡介:alias startmysql='sudo /Library/StartupItems/MySQLCOM/MySQLCOM start' alias stopmysql='sudo /Library/StartupItems/MySQLCOM/MySQLCOM stop' sudo -u postgres /Library/PostgreSQL/9.1/bin/pg_ctl -D/Library/PostgreSQL/9.1/data start sudo -u postg
2016-06-07
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1047
MongoDB Tip: Create Short Field Names
課程簡介:MongoDB’s dynamic schema and document-based data structure offer a lot of flexibility in development, but it’s important to understand how your document construction can affect available memory in your application. It’s incredibly valua
2016-06-07
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1037
[React] React Fundamentals: Accessing Child Properties
課程簡介:When you're building your React components, you'll probably want to access child properties of the markup. Parent can read its children by accessing the special this.props.children prop. this.props.children is an opaque data structure: use
2016-06-07
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1509
word臨時(shí)保存文件在哪
課程簡介:自動(dòng)恢復(fù)文件的位置:Windows:%AppData%\Microsoft\Word\Mac:~/Library/Containers/com.microsoft.Word/Data/Library/Preferences/AutoRecovery/
2024-07-17
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783
SeveralNotesonRedis
課程簡介:These notes on Redis are based on its beta version. One could see its source code on my GitHub, where I have tidied the original codes in order to make the codes more easily readable with only around 3,000 code lines. 1. Key Data Structure
2016-06-07
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1072
微信下載的文件存在電腦什么位置
課程簡介:微信下載的文件存儲(chǔ)位置因系統(tǒng)而異:Windows系統(tǒng):%userprofile%\WeChat Files\AppBrand\文件;Mac系統(tǒng):~/Library/Containers/com.tencent.xinWeChat/Data/Library/Application Support/com.tencent.xinWeChat/File。
2024-06-30
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1378
嗶哩嗶哩緩存的視頻在哪個(gè)文件夾
課程簡介:嗶哩嗶哩緩存視頻存儲(chǔ)位置:Windows電腦:C:\Users[用戶名]\AppData\Roaming\com.bilibili.main\cache\offlineC:\Users[用戶名]\AppData\Local\Temp\BiliBili_DownloadmacOS電腦:~/Library/Application Support/com.bilibili.main/cache/offline~/Library/Caches/BiliBili_DownloadAndroid手機(jī):/storage/emulated/0/Android/data/tv.danmaku.bili/cache/offlineiOS手機(jī):/private/var/mobile/Containers/Data/Application/[嗶哩嗶哩App的Bundle
2024-11-18
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525
電腦微信文件夾儲(chǔ)存在什么位置
課程簡介:微信文件一般存儲(chǔ)在以下路徑中:Windows 系統(tǒng):C:\Users[用戶名]\AppData\Roaming\Tencent\WeChat\Mac 系統(tǒng):~/Library/Containers/com.tencent.xinWeChat/Data/Library/Application Support/Tencent/WeChat/
2024-09-06
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799
Wps自動(dòng)保存在哪里
課程簡介:WPS文件的默認(rèn)自動(dòng)保存位置為:Windows系統(tǒng):C:\Users{用戶名}\AppData\Local\Kingsoft\WPS Office\macOS系統(tǒng):~/Library/Containers/com.kingsoft.wps.mac/Data/Library/Application Support/Kingsoft/WPS Office/
2024-06-29
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2890
navicat保存的查詢在哪
課程簡介:Navicat 中的查詢保存在 "Queries" 目錄中,該目錄位于安裝目錄中的 "Data" 文件夾中。具體路徑如下:Windows:C:\Users\<用戶名>\AppData\Roaming\Navicat\Data\QueriesmacOS:/Users/<用戶名>/Library/Application Support/Navicat/Data/QueriesLinux:/home/<用戶名>/.navicat/data/queries
2024-04-24
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1901
瀏覽器cookie在哪里
課程簡介:谷歌:Windows10,C:\Users\\AppData\Local\Google\Chrome\User Data\Default\Cookies;macOS,~/Library/Application Support/Google/Chrome/Default/Cookies;Linux,~/.config/google-chrome/Default/Cookies.
2023-11-16
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8254
PHP開發(fā)框架psx 0.4.1發(fā)布!
課程簡介:PHP開發(fā)框架psx 0.4.1發(fā)布。這是個(gè)重要的版本,改變了庫的結(jié)構(gòu),所以不再向后兼容。更多改進(jìn)如下: A quot;camelcasequot; coding style is now used. The data writer library was updated for handling Atom and RSS feeds correctly. An HTTP library opt
2016-06-06
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1206
PHP 源代碼壓縮小工具
課程簡介:ec(2);
#!/usr/bin/env php
<?php
/**
* Compact PHP code.
*
* Strip comments, combine entire library into one file.
*/
if ($argc < 3) {
print "Strip unecessary data from PHP sour
2016-06-08
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1568
黃聰:Microsoft Enterprise Library 5.0 系列教程(五) Data Acc
課程簡介:企業(yè)庫數(shù)據(jù)庫訪問模塊通過抽象工廠模式 , 允許用戶通過簡單的配置選擇不同的數(shù)據(jù)庫作為程序的數(shù)據(jù)源 , 大大解決了切換數(shù)據(jù)庫時(shí)帶來的麻煩 . 因?yàn)槲冶緳C(jī)只安裝了 SQL Server 2005, 所以在此只做 SQL 的演示 , 需要深究的朋友可以訪問以下網(wǎng)站 : http://msdn.m
2016-06-07
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1138