大约有 15,640 项符合查询结果(耗时:0.0183秒) [XML]

https://stackoverflow.com/ques... 

npm throws error without sudo

...ever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin. ...
https://stackoverflow.com/ques... 

SVN 405 Method Not Allowed

...te a folder with the same name, add, and commit, it gives me the following error: 11 Answers ...
https://stackoverflow.com/ques... 

How do I fix “for loop initial declaration used outside C99 mode” GCC error?

... I've gotten this error too. for (int i=0;i<10;i++) { .. is not valid in the C89/C90 standard. As OysterD says, you need to do: int i; for (i=0;i<10;i++) { .. Your original code is allowed in C99 and later standards of the C langua...
https://stackoverflow.com/ques... 

explicit casting from super class to subclass

The assignment Dog dog = (Dog) animal; does not generate a compilation error, but at runtime it generates a ClassCastException . Why can't the compiler detect this error? ...
https://stackoverflow.com/ques... 

warning: incompatible implicit declaration of built-in function ‘xyz’

... In the case of some programs, these errors are normal and should not be fixed. I get these error messages when compiling the program phrap (for example). This program happens to contain code that modifies or replaces some built in functions, and when I includ...
https://stackoverflow.com/ques... 

SQL-Server: Error - Exclusive access could not be obtained because the database is in use

...tabase from one backup file. I made the following code and I am getting an error - 14 Answers ...
https://stackoverflow.com/ques... 

java.net.SocketException: Connection reset

I am getting the following error trying to read from a socket. I'm doing a readInt() on that InputStream , and I am getting this error. Perusing the documentation this suggests that the client part of the connection closed the connection. In this scenario, I am the server. ...
https://stackoverflow.com/ques... 

How to check if a symlink exists

...ou can do all these tests and get an exit status whose value indicates the error condition. if [ ! \( -e "${file}" \) ] then echo "%ERROR: file ${file} does not exist!" >&2 exit 1 elif [ ! \( -f "${file}" \) ] then echo "%ERROR: ${file} is not a file!" >&2 exit 2 e...
https://stackoverflow.com/ques... 

What is the difference between supervised learning and unsupervised learning? [closed]

...oblems. Learning through training in a supervised ANN model also called as error backpropagation algorithm. The error correction-learning algorithm trains the network based on the input-output samples and finds error signal, which is the difference of the output calculated and the desired output and...
https://stackoverflow.com/ques... 

Python Image Library fails with message “decoder JPEG not available” - PIL

...L pip install PIL --upgrade This resolved the decoder JPEG not available error for me. UPDATE (4/24/14): Newer versions of pip require additional flags to download libraries (including PIL) from external sources. Try the following: pip install PIL --allow-external PIL --allow-unverified PIL S...