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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
...function. [...]
This means that the compiler is not obligated provide an error nor a warning usually because it can be difficult to diagnose in all cases. We can see this from the definition of undefined behavior in the draft standard in section 1.3.24 which says:
[...]Permissible undefined be...
How to tell if a file is git tracked (by shell exit code)?
...
try:
git ls-files --error-unmatch <file name>
will exit with 1 if file is not tracked
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What do I have to do to get Core Data to automatically migrate models?
...mber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil];
NSError *error;
_persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]];
if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configu...
How to update a record using sequelize for node?
...re: { _id: 1 } }
)
.success(result =>
handleResult(result)
)
.error(err =>
handleError(err)
)
Update 2016-03-09
The latest version actually doesn't use success and error anymore but instead uses then-able promises.
So the upper code will look as follows:
Project.update(
...
POST data with request module on Node.JS
...rl: 'http://localhost/test2.php',
body: "mes=heydude"
}, function(error, response, body){
console.log(body);
});
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Checking Bash exit status of several commands efficiently
...
"$@"
local status=$?
if (( status != 0 )); then
echo "error with $1" >&2
fi
return $status
}
mytest "$command1"
mytest "$command2"
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'App not Installed' Error on Android
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Primarily for older phones
I only encountered the App not installed error when trying to install an apk on my phone which runs on 4.4.2 aka KitKat, but my friend did not encounter this error on his phone which runs on 6+. I tried the other solutions such as removing the old/debug version of t...
Accessing an SQLite Database in Swift
...?
guard sqlite3_open(fileURL.path, &db) == SQLITE_OK else {
print("error opening database")
sqlite3_close(db)
db = nil
return
}
Note, I know it seems weird to close the database upon failure to open, but the sqlite3_open documentation makes it explicit that we must do so to avo...
Maximum call stack size exceeded error
...sing a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad)
31 Answe...
SSL Error: CERT_UNTRUSTED while using npm command
...ying to install express framework using npm command but getting following error.
7 Answers
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