These主题的文章列表，还有These的技术要点_第1页

ORA-24270: a row already exists in the string table for these parameters

文档解释ORA-24270:arowalreadyexistsinthestringtablefortheseparametersCause:Acallwasmadetocreateanewrowinthespecifiedtable.Arowalreadyexistsinthetablewiththespecifie...

IT技术学习 ·2023-07-28

ORA-12725: unmatched parentheses in regular expression

文档解释ORA-12725:unmatchedparenthesesinregularexpressionCause:Theregularexpressiondidnothavebalancedparentheses.Action:Ensuretheparenthesesarecorrectlybalanced.等OR...

IT技术学习 ·2023-07-26

ORA-14465: Fast-Split is not possible on these partitions

文档解释ORA-14465:Fast-SplitisnotpossibleonthesepartitionsCause:TheFast-Spliteventwasforcedinthissession.Action:DisabletheeventthatforcesFast-Split.。官方解释常见案例1.尝试在非L...

IT技术学习 ·2023-07-26

ORA-24274: no row exists in the string table for these parameters

文档解释ORA-24274:norowexistsinthestringtablefortheseparametersCause:Acallwasmadetoupdatearowthatdoesnotexistoraforeignkeyvaluesuppliedtocreateatabledoesnotexist.Ac...

IT技术学习 ·2023-07-11

ORA-29356: These parameters can be specified only for directives that refer to consumer groups

文档解释ORA-29356:TheseparameterscanbespecifiedonlyfordirectivesthatrefertoconsumergroupsCause:ThebelowparameterswerespecifiedasanargumenttoprocedureCREATE_PLAN_DIR...

IT技术学习 ·2023-07-11

ORA-27207: syntax error in device PARMS – parentheses mismatch or missing

文档解释ORA-27207:syntaxerrorindevicePARMS–parenthesesmismatchormissingCause:User-suppliedPARMSvaluehasincorrectsyntax.Action:Retrythecommandwithcorrectsyntax...

IT技术学习 ·2023-07-08

MySQL Error number: MY-010525; Symbol: ER_TC_RECOVERY_FAILED_THESE_ARE_YOUR_OPTIONS; SQLSTATE: HY000

文档解释Errornumber:MY-010525;Symbol:ER_TC_RECOVERY_FAILED_THESE_ARE_YOUR_OPTIONS;SQLSTATE:HY000Message:Crashrecoveryfailed.Eithercorrecttheproblem(ifit’s,for...

IT技术学习 ·2023-06-30

LeetCode：22. Generate Parentheses（Medium）

https://leetcode.com/problems/generate-parentheses/description/给出一个正整数n，请求出由n对合法的圆括号组合例如，n=3，答案：采用递归的方法：给定的整数为n，定义一个字符串类型变量str用来保存组合。"("的个数记为left，")"的个数记为right，...

代码星球 ·2021-02-12

LeetCode：20. Valid Parentheses（Easy）

https://leetcode.com/problems/valid-parentheses/description/给定一个字符串s，s只包含'(', ')', '{', '}', '[' 和 ']'。合法：形如“()[]“、”{[()]}“不合法：形如“...

代码星球 ·2021-02-12

22. Generate Parentheses

https://www.cnblogs.com/grandyang/p/4444160.html相当于一个全排列，但是通过left、right控制个数，并且不符合要求的括号排列用left>right来控制了，让他不再递归，这样就不可能满足left==0，right==0，就不可能push进result中。并且le...

代码星球 ·2020-10-13

leetcode 20. Valid Parentheses 、32. Longest Valid Parentheses 、301. Remove Invalid Parentheses

20.ValidParentheses 错误解法："[])"就会报错，没考虑到出现')'、']'、'}'时，stack为空的情况，这种情况也无法匹配classSolution{public:boolisValid(strings){if(s.empty())returnfalse;stack<char&...

代码星球 ·2020-10-13

leetcode 96. Unique Binary Search Trees 、95. Unique Binary Search Trees II 、241. Different Ways to Add Parentheses

96.UniqueBinarySearchTreeshttps://www.cnblogs.com/grandyang/p/4299608.html3由dp[1]*dp[1]、dp[0]*dp[2]、dp[2]*dp[0]相加而成从2开始classSolution{public:intnumTrees(intn){ve...

代码星球 ·2020-10-13

HDU_5783_DivideTheSequence

HDU_5783_DivideTheSequence 点击打开链接题意：生成尽量多的连续的子串，且子串的前缀和大于等于0，输出符合题意的子串的数量。这题目是参加四月份的个人训练赛遇到的，挺水的。但是因为没读懂题目和不懂得串的前缀和是什么东东，嗯。。。（此处省略几千字）串的前缀和：设有一个数组buf[10]，前...

代码星球 ·2020-07-18

Eclipse错误：Syntax error on tokens, delete these tokens问题解决

错误：Syntaxerrorontokens,deletethesetokens出现这样的错误一般是括号、中英文字符、中英文标点、代码前面的空格，尤其是复制粘贴的代码，去掉即可。...

代码星球 ·2020-06-27

Python3.x运行Python2.x代码报错 syntax error "Missing parentheses in call to 'print'

#另外一种错误SyntaxError:Missingparenthesesincallto'print'.Didyoumeanprint(查看代码，格式如下：print"文件%s不存在"%filename。。。print'-------xxx------'改成print("文件%s不存在"%filename)print...

代码星球 ·2020-04-17