First, prefacePrior to understanding the use of okhttp cache, and the use of the cache is a preliminary summary of 80650856. The cache is primarily intended to obtain resource information directly from the cache in the absence of a network, or when
2. Basic concepts of SDK
2.1 three abstract base classes3DS MAX plug-ins are mainly used for modeling, animation, and rendering. These plug-ins are mainly inherited from one of the following abstract base classes.Anomatable-> referencemaker->
How many long connections can a Socket TCP server have on a port?There are many answers on the internet, I don't know that's rightTheoretically, it's infinite.16, Linux, a port can accept the number of TCP links theoretical limit is?a.1024b.65535c.65
In the process of hive integration MySQL as metadata, after all the installation configuration work, go into hive mode, execute show databases, execute normally, then execute show tables, but error.The key error messages are as
Specified key was too long; Max key length is 767 bytesDescription: An unhandled exception occurred during the execution of the current WEB request. Check the stack trace information For more information about the error and the source of the error
2015-11-13 14:44:44,681 ERROR [main]: Datanucleus.datastore (Log4JLogger.java:error ())-an exception is thrown while Adding/validating Class (es): Specified key was too long; Max key length is
The error message is as follows:Failed:execution Error, return code 1 from Org.apache.hadoop.hive.ql.exec.DDLTask. Metaexception (Message:javax.jdo.JDODataStoreException:An exception is thrown while Adding/validating class (es): Specified key was
Issue create Table:specified Key was too long; Max key length is 767 bytes reason database table is UTF8 encoded, where varchar (255) column has a unique key index and MySQL by default the index of a single column cannot exceed 767 bits (different
Max Sum plus PlusTime limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 17906 Accepted Submission (s): 5864Problem Descriptionnow I Think you have got a AC in IGNATIUS.L ' s "Max Sum" problem. To is a
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