大约有 15,567 项符合查询结果(耗时:0.0259秒) [XML]

https://stackoverflow.com/ques... 

Re-raise exception with a different type and message, preserving existing information

...hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly, if needed. But many of the exceptions raised from the mod...
https://stackoverflow.com/ques... 

How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?

...(){ sum_from<1>::to<1000>::result(); } Output for GCC: error: declaration of ‘struct sum_from<1u>::to<1000u>::equals<500500u>’ Live example on Ideone. Output for MSVC10: error C2514: 'sum_from<Start>::to<Goal>::equals<Result>' : class h...
https://stackoverflow.com/ques... 

How do I unlock a SQLite database?

...qlite3: sqlite> .dump PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; /**** ERROR: (5) database is locked *****/ ROLLBACK; -- due to errors – woky Nov 28 '14 at 22:40 ...
https://stackoverflow.com/ques... 

WCF timeout exception detailed investigation

...quired but that all the other elements needed to be in place to ensure the error did not happen. Thanks very much! – Jason Kealey Apr 6 '11 at 2:04 2 ...
https://stackoverflow.com/ques... 

Why does the MongoDB Java driver use a random number generator in a conditional?

...the test: if( !ok && (logit = (logit + 1 ) % 10) == 0 ) { //log error This always logs the first error, then every tenth subsequent error. Logical operators "short-circuit", so logit only gets incremented on an actual error. If you want the first and tenth of all errors, regardless of ...
https://stackoverflow.com/ques... 

What is the difference between self-types and trait subclasses?

... extends Tweeter { | def noCanDo = name | } <console>:9: error: illegal inheritance; self-type Wrong does not conform to Tweeter's selftype Tweeter with User trait Wrong extends Tweeter { ^ <console>:10: error: not found: value name ...
https://stackoverflow.com/ques... 

Evaluate expression given as a string

...l(parse(text="gray"))) [1] "function" > class(eval(parse(text="blue"))) Error in eval(expr, envir, enclos) : object 'blue' not found See also tryCatch. share | improve this answer | ...
https://stackoverflow.com/ques... 

PHP cURL custom headers

... $season_data = curl_exec($ch); if (curl_errno($ch)) { print "Error: " . curl_error($ch); exit(); } // Show me the result curl_close($ch); $json= json_decode($season_data, true); share ...
https://stackoverflow.com/ques... 

nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

All of a sudden I am getting the below nginx error 17 Answers 17 ...
https://stackoverflow.com/ques... 

How to select date without time in SQL

... i used this select convert(varchar(10), APPROVED_DATE, 120) , i got error column APPROVED_DATE datetime , how i will convert it ? error The multi-part identifier "LAB_RESULTS.APPROVED_DATE" could not be bound. – Abdullah May 27 at 11:51 ...