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Do you use NULL or 0 (zero) for pointers in C++?
...if you use NULL, in a plain code without complex header, you will find the error of "NULL is not defined in this scope"..
– ArtificiallyIntelligence
Nov 12 '17 at 23:07
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Can two applications listen to the same port?
...ort already. This enables you to get around those "Address already in use" error messages when you try to restart your server after a crash.
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How to run a shell script in OS X by double-clicking?
... you'll see the following symptoms:
.command: Finder displays a misleading error message that suggests the problem can be fixed via File > Get Info, which is not true - use the chmod +x method suggested above.
no suffix:
with a shebang line (e.g., #!/bin/bash): behavior is as if the suffix wer...
SQL Add foreign key to existing column
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Error indicates that there is no UserID column in your Employees table. Try adding the column first and then re-run the statement.
ALTER TABLE Employees
ADD CONSTRAINT FK_ActiveDirectories_UserID FOREIGN KEY (UserID)
REF...
Storing C++ template function definitions in a .CPP file
...from its declaration and put it inside a .cpp file?
How can I avoid linker errors with my template functions?
How does the C++ keyword export help with template linker errors?
They go into a lot of detail about these (and other) template issues.
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Multiple HttpPost method in Web API controller
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If I add like this it gives me an error ------------ namespace ImageDownloadApplication.Controllers { public class FrontModel { public string skus { get; set; } } [ActionName("ProductController")] public class ProductController ...
Hibernate: hbm2ddl.auto=update in production?
... DBAs on staff. It's just one less manual process that's subject to human error - the application can detect the difference and do the right thing, plus you've presumably tested it in various development and test environments.
One caveat - in a clustered environment you may want to avoid it becau...
How to write to a file, using the logging Python module?
...gger.debug(msg)
myLogger.info(msg)
myLogger.warn(msg)
myLogger.error(msg)
myLogger.critical(msg)
# Shut down the logger
logging.shutdown()
Here is my code for the log config file
#These are the loggers that are available from the code
#Each logger requires a handler, but ...
How to call a stored procedure from Java and JPA
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I tried and getting this error message: java.sql.SQLException: Incorrect syntax near '@P0'.
– user431514
Aug 26 '10 at 8:07
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How do I write JSON data to a file?
...hon 3, json.dump writes to a text file, not a binary file. You'd get a TypeError if the file was opened with wb. On older Python versions, both w nand wb work. An explicit encoding is not necessary since the output of json.dump is ASCII-only by default. If you can be sure that your code is never ru...