大约有 47,000 项符合查询结果(耗时:0.0281秒) [XML]

https://stackoverflow.com/ques... 

How to show all privileges from a user in oracle?

...s connect by prior granted_role = grantee start with grantee = '&USER' order by 1,2,3; select * from dba_sys_privs where grantee = '&USER' or grantee in (select granted_role from dba_role_privs connect by prior granted_role = grantee start with grantee = '&USER') order by 1,2,3; select ...
https://stackoverflow.com/ques... 

What does the PHP error message “Notice: Use of undefined constant” mean?

...; } Referring to a class constant without specifying the class scope In order to refer to a class constant you need to specify the class scope with ::, if you miss this off PHP will think you're talking about a global define(). Eg: class MyClass { const MY_CONST = 123; public function my_m...
https://stackoverflow.com/ques... 

Check if a string has white space

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
https://stackoverflow.com/ques... 

Android: How to put an Enum in a Bundle?

...e.name() and restore it from YourEnums.valueOf(s), as otherwise the enum's ordering must be preserved! Longer explanation: Convert from enum ordinal to enum type share | improve this answer ...
https://stackoverflow.com/ques... 

How to create default value for function argument in Clojure

...ure's version of partial lets you provide the "default" values only in the order they appear in the function definition. Once the parameters have been ordered as desired, you can then create a "default" version of the function using the partial function: (partial string->integer 10) In order t...
https://stackoverflow.com/ques... 

How do I use valgrind to find memory leaks?

...free this pointer? json_decref(root); //What about this one? Does the order matter? return 0; } This is a simple program: it reads a JSON string and parses it. In the making, we use library calls to do the parsing for us. Jansson makes the necessary allocations dynamically since JSON ca...
https://stackoverflow.com/ques... 

When to use a key/value store such as Redis instead/along side of a SQL database?

...ngle threaded and so forth. I think that another big difference is that in order to take advantage of Redis in your production environment you don't need to switch to Redis. You can just use it in order to do new things that were not possible before, or in order to fix old problems. Use cases the ...
https://stackoverflow.com/ques... 

MySQL SELECT only not null values

...SELECT DISTINCT ( SELECT title FROM test WHERE title IS NOT NULL ORDER BY id DESC LIMIT 1 ) title, ( SELECT body FROM test WHERE body IS NOT NULL ORDER BY id DESC LIMIT 1 ) body FROM test I hope help you. ...
https://stackoverflow.com/ques... 

jQuery Selector: Id Ends With?

... I answered the question a long time after an answer was accepted, just in order to add more information for visitors. I hope that people who upvote my answer also upvote the answer to the question. – Romain Guidoux Jan 17 '13 at 18:47 ...
https://stackoverflow.com/ques... 

brew install mysql on macOS

...d MySQL 5.7, the process is a bit different than for previous versions. In order to reset the root password, proceed as follows: sudo rm -rf /usr/local/var/mysql mysqld --initialize A temporary password will be printed to the console and it can only be used for updating the root password: mysql....