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To_char (X[[,C2],C3])Feature converts a date or data to a char data typeParametersX is a date or number data type.C2 as format parameterC3 Setting parameters for NLSIf x is the date nlsparm=nls_date_language controls the language that is used for

After writing the previous blog, "LTE cell search-Physical cell ID and synchronization signal PSS, SSS," I would like to continue to write system information related content, but found to write the time necessary to involve PDCCH, Phich and other

Reprint Source Su Seng perplexed Picture Processing Pip Install Pillow from PIL import Image import NumPy as np a = Np.array (Image.open (' test.jpg ')) B = [255, 255,255]-a im = Image.fromarray (b.astype (' uint8 ')) im.save (' new.jpg ')

There is types of frame structure in the LTE standard, type 1 and type 2. Type 1 uses Frequency Division duplexing (Uplink and downlink separated by Frequency), and TDD uses time division Duplexin G (Uplink and downlink separated in time). This

Turn from: http://www.cnblogs.com/qingchunjun/p/4208159.html By.xpath () This method is a very powerful way to find elements, which can be used to locate almost any element on the page. Before we can formally start using XPath for positioning,

Before reading this article, it is recommended to take a look at the post "LTE-TDD HARQ (1)-upstream HARQ timing" to better understand the content of this article.The main contents of this article include:(1) What is the Phich channel and what is

"All rights reserved, please specify the source of the reprint." Source: http://www.cnblogs.com/joey-hua/p/5597818.html "It is said that in the Android application through the fork process of the way to prevent the application is killed, presumably

Introduction to Android Multimedia developmentTransferred from: http://blog.csdn.net/reiliu/article/details/9060557First, multimedia architectureBased on the opencore of the third-party PacketVideo company, it supports all common audio/video/Still

test simulation Export data from a table in a bad block of data files in an Oracle 11G databasePreviously thought that the dul corresponding version can only restore the highest database version consistent, today test found that Dul 10 can restore

Date and Time format application To_char (date, formatting parameters) 1, returns any valid delimiter concatenation the month day string 1.1, Select to_char (sysdate, ' Yyyy/mm/dd ') from dual; 2015/04/29 (that is, return a string that is connected