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input() error - NameError: name '…' is not defined
I am getting an error when I try to run this simple script:
14 Answers
14
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Efficiency of premature return in a function
...If the simple example above is extended with resource allocation, and then error checking with a potential resulting freeing of resources, the picture might change.
Consider the naive approach beginners might take:
int func(..some parameters...) {
res_a a = allocate_resource_a();
if (!a) {
...
What is the Difference Between read() and recv() , and Between send() and write()?
...tagram, both, recv and read will deliver no data to the caller but also no error. For the caller, the behavior is the same. The caller may not even know anything about datagrams (it may not know that this is a socket and not a file, it may not know that this is a datagram socket and not a stream soc...
How to print to stderr in Python?
... when I'm trying to debug something. (I'd rather not introduce new syntax errors!) :-)
– Dan H
Nov 20 '14 at 14:49
33
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Rails: Logging the entire stack trace of an exception
... to log a stack trace. I came across this link which states that logger.error $!, $!.backtrace is the way to go but that does not work for me log_error does. As per documentation I do not see how passing a second argument to the error method would work anyway because the ruby logger that rails...
How can I catch all the exceptions that will be thrown through reading and writing a file?
...ever, this doesn't take into consideration the fact that IO can also throw Errors. Errors are not Exceptions. Errors are a under a different inheritance hierarchy than Exceptions, though both share the base class Throwable. Since IO can throw Errors, you may want to go so far as to catch Throwable
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Swift Bridging Header import issue
...ed a bridging header and added to my project. Unfortunately, the following error occurred:
19 Answers
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Visual Studio SP1 error: silverlight_sdk.msi is unavailable
... SP1 (apparently). Download Silverlight 4 tools, extract and point the SP1 error dialog to silverlight_sdk.msi. Should resolve it.
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=b3deb194-ca86-4fb6-a716-b67c2604a139&displaylang=en
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Adding VirtualHost fails: Access Forbidden Error 403 (XAMPP) (Windows 7)
.../Documenten/Dropbox/Dropbox/dummy-htdocs"
ServerName dropbox.local
ErrorLog "logs/dropbox.local-error.log"
CustomLog "logs/dropbox.local-access.log" combined
<Directory "E:/Documenten/Dropbox/Dropbox/dummy-htdocs">
# AllowOverride All # Deprecated
# Order A...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...cSelect(sock, m_hWnd, WM_NETWORK, FD_CONNECT | FD_READ | FD_CLOSE)==SOCKET_ERROR){
MessageBox("注册网络事件失败！");
closesocket(sock);
WSACleanup();
}
msg.Format("Connecting to %s:%d/n",inet_ntoa(serverAddr.sin_addr), ntohs(serverAddr.sin_port));
m_allmsg.SetSel(32767,...