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Useful GCC flags for C
...dows another local variable, parameter or global variable or whenever a built-in function is shadowed.
-Wpointer-arith: warn if anything depends upon the size of a function or of void.
-Wcast-align: warn whenever a pointer is cast such that the required alignment of the target is increased. For exa...
How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
... reader.onload = function(event){
console.log(event.target.result)}; // data url!
reader.readAsDataURL(blob);
}
}
}
Once you have a data url you can display the image on the page. If you want to upload it instead, you could use readAsBinaryString, or you could put it into ...
TypeError: Cannot read property 'then' of undefined
...ver is "+$checkSessionServer);
});
return $checkSessionServer; // <-- return your promise to the calling function
}
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Is there a Python equivalent of the C# null-coalescing operator?
...
In addition to Juliano's answer about behavior of "or":
it's "fast"
>>> 1 or 5/0
1
So sometimes it's might be a useful shortcut for things like
object = getCachedVersion() or getFromDB()
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how to mysqldump remote db from local machine
...r me:
mysqldump -h hostname-of-the-server -u mysql_user -p database_name > file.sql
I followed the mysqldump documentation on connection options.
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C++0x lambda capture by value always const?
...
Use mutable.
auto bar = [=] () mutable -> bool ....
Without mutable you are declaring the operator () of the lambda object const.
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Readonly Properties in Objective-C?
...o;
In the implementation .m file:
// inside one of my init methods
self->_foo = @"someString"; // Notice the underscore prefix of var name.
That’s it, that’s all you need. No muss, no fuss.
Details
As of Xcode 4.4 and LLVM Compiler 4.0 (New Features in Xcode 4.4), you need not mess with...
UI Terminology: Logon vs Login [closed]
...EamonNerbonne That's because you spelled it wrong.
– gtd
Jul 16 '12 at 8:38
8
"log in" is missing...
What is the difference between Modal and Push segue in Storyboards?
...k on the first VC of the modal chain you have and then click menu Editor -> Embed In -> Navigation Controller. This will set you a navigation controller that will be common to all your modal chain. Not that at that moment only the segue for displaying the navigation controller is "modal", wher...
Database Design for Tagging
...ing Oracle) offer bitmap indexes which may somehow be of use, because a built-in indexing system does away with the potential complexity of index maintenance; additionally, a DBMS offering bitmap indexes should be able to consider them in a proper when when performing the query plan.
...