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Execute a terminal command from a Cocoa app
...n/grep foo bar.txt'.
int pid = [[NSProcessInfo processInfo] processIdentifier];
NSPipe *pipe = [NSPipe pipe];
NSFileHandle *file = pipe.fileHandleForReading;
NSTask *task = [[NSTask alloc] init];
task.launchPath = @"/usr/bin/grep";
task.arguments = @[@"foo", @"bar.txt"];
task.standardOutput = pi...
unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
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OK, first of all, you don't have to get a reference to the module into a different name; you already have a reference (from the import) and you can just use it. If you want a different name just use import swineflu as f.
Second, you are getting a reference to the class rather than instantiating t...
“No backupset selected to be restored” SQL Server 2012
...lem and it turned out I was trying to restore to the wrong version of SQL. If you want more information on what's going on, try restoring the database using the following SQL:
RESTORE DATABASE <YourDatabase>
FROM DISK='<the path to your backup file>\<YourDatabase>.bak'
That sho...
Differences between C++ string == and compare()?
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Returns: lhs.compare(rhs) == 0.
Seems like there isn't much of a difference!
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What is the difference between required and ng-required?
What is the difference between required and ng-required (form validation)?
3 Answers
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Why there is no ForEach extension method on IEnumerable?
...ion method would indeed be useful in some situations.
Here are the major differences between the statement and the method:
Type checking: foreach is done at runtime, ForEach() is at compile time (Big Plus!)
The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething);
ForEac...
How do I return multiple values from a function? [closed]
...ong lists of tuples, such as results of DB queries). For individual items (if the function in question is not called often) dictionaries and classes are just fine as well. But namedtuples are a nice/nicer solution in this case as well.
– Lutz Prechelt
Feb 23 '1...
Is MD5 still good enough to uniquely identify files?
... MD5 hashing a file still considered a good enough method to uniquely identify it given all the breaking of MD5 algorithm and security issues etc? Security is not my primary concern here, but uniquely identifying each file is.
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How do you specify a different port number in SQL Management Studio?
...Microsoft SQL 2005 server which is not on port 1433. How do I indicate a different port number when connecting to the server using SQL Management Studio?
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Why is try {…} finally {…} good; try {…} catch{} bad?
... people say that it is bad form to use catch with no arguments, especially if that catch doesn't do anything:
20 Answers
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