Thanks to Core Data. Even without learning SQL and database, you’re able to perform create, select, update and delete operation. However, for those with database background, you may want to know the exact SQLs executed behind the scene. To enable SQL…
After following many outdated and incomplete instructions for setting up a web development environment on a Mac (back in March 2012), and spending a lot of time finding solutions to the problems I encountered along the way, I decided to put together…
Core Audio render thread and thread signalling up vote2down votefavorite Does iOS have any kind of very low level condition lock that does not include locking? I am looking for a way to signal an awaiting thread from within the Core Audio render th…
服务器错误码 AS Error Code Number CAS Error Code Error Message Note -1000 CAS_ER_DBMS "CUBRID DBMS Error" Fails to connect to the database. Make sure the database is running. -1001 CAS_ER_INTERNAL -1002 CAS_ER_NO_MORE_MEMORY "Memory allocatio…
Warning Message -WCFString-literal input conversion stopped due to an input byte that does not belong to the input codeset UTF-8 -WNSObject-attribute __attribute ((NSObject)) may be put on a typedef only, attribute is ignored -Wabstract-vbase-init in…
https://msdn.microsoft.com/en-us/library/windows/desktop/ms740668(v=vs.85).aspx Most Windows Sockets 2 functions do not return the specific cause of an error when the function returns. For information, see the Handling Winsock Errors topic. The WSAGe…
Semantic Warnings Warning Message -WCFString-literal input conversion stopped due to an input byte that does not belong to the input codeset UTF-8 -WNSObject-attribute __attribute ((NSObject)) may be put on a typedef only, attribute is ignore…
/* * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package java.lang; import java.io.ObjectStreamClass;import java.io.ObjectStreamField;import java.…
1.电脑本地证书CertificateSigningRequest.certSigningRequest一定要一致(包括开发者证书,尤其是发布证书要一致,否则无法正常上传),此类错误Xcode一般会提示Missing or invalid signature. ......."Payload/xxx.app" is not signed using an Apple submission certificate,此时应该好好检查证书一致性问题(特别在不同电脑上开发同一个项目的). 2.…
Semantic Warnings Warning Message -WCFString-literal input conversion stopped due to an input byte that does not belong to the input codeset UTF-8 -WNSObject-attribute __attribute ((NSObject)) may be put on a typedef only, attribute is ignored -Wabst…