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What's the point of 'const' in the Haskell Prelude?
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Blog link in the answer is dead. It should now point here: brandon.si/code/…
– nsxt
Jul 11 '15 at 3:46
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Git : List all unmerged changes in git
...s, and not regularly deleting them when I don't need them any more, I have now ended up with about 50 branches ;)
3 Answers...
rejected master -> master (non-fast-forward)
...se of git. This will overwrite changes on the remote. Only do this if you know 100% that your local changes should be pushed to the remote master.
Try this: git push -f origin master
share
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impro...
Adding a simple UIAlertView
...as added in iOS 8, this code won't work on iOS 7 and older. So, sadly, for now we have to use version checks like so:
NSString *alertTitle = @"Title";
NSString *alertMessage = @"Message";
NSString *alertOkButtonText = @"Ok";
if (@available(iOS 8, *)) {
UIAlertView *alertView = [[UIAlertView al...
How to go to each directory and execute a command?
... If by easier you mean broken then yes, there are easier ways of doing. Now don't worry, all these IFS and read (as you say) become a second nature as you get used to them… they are part of the canonical and idiomatic ways of writing scripts.
– gniourf_gniourf
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How do I check in SQLite whether a table exists?
... query a table that possibly doesn't exist? This is the problem I'm facing now, and the accepted answer works best in this general problem statement. This is a good quick alternative.
– Dagrooms
Jun 16 '15 at 18:15
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Concatenating null strings in Java [duplicate]
...ng Conversion", requires this operation to succeed without failure:
...Now only reference values need to be considered. If the reference is null, it is converted to the string "null" (four ASCII characters n, u, l, l). Otherwise, the conversion is performed as if by an invocation of the toString...
Accessing members of items in a JSONArray with Java
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How would this work if I know the ID but need the matching loc?
– ToofanHasArrived
Mar 5 '19 at 23:45
add a comment
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iFrame src change event detection?
...k bcoz you are doing a cross origin request. :( All browsers restrict that now.
– Naveen
Sep 16 '14 at 7:58
2
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Add custom messages in assert?
... << ", line " << line << "\n";
abort();
}
}
Now, you can use this
M_Assert(ptr != nullptr, "MyFunction: requires non-null argument");
And in case of failure you will get a message like this:
Assert failed: MyFunction: requires non-null argument
Expected: pt...