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Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
...using follows the memory management rules for declared properties, too — more specifically, for declared properties’ accessors:
You take ownership of an object if you create it using a method whose name begins with “alloc”, “new”, “copy”, or “mutableCopy”.
A property named ...
How to debug a referenced dll (having pdb)
...symbols directly in the IDE if you don't want to copy any files, but it is more work.
The easiest option is to use project references!
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Turning live() into on() in jQuery
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IMO, the .on syntax is more logical, since the listener is actually attached to the selector that you provide. When the event is triggered, jQuery traverses the DOM and executes handlers where specified (simple event delegation). .live suggested th...
Printing tuple with string formatting in Python
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Note that the % syntax is obsolete. Use str.format, which is simpler and more readable:
t = 1,2,3
print 'This is a tuple {0}'.format(t)
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PostgreSQL: How to change PostgreSQL user password?
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“inconsistent use of tabs and spaces in indentation”
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What is the difference between named and positional parameters in Dart?
...arently magic numbers are. You can use named optional parameters to create more readable APIs.
Named optional parameters
A parameter wrapped by { } is a named optional parameter. Here is an example:
getHttpUrl(String server, String path, {int port = 80}) {
// ...
}
You can call getHttpUrl wit...
How to send a stacktrace to log4j?
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@Mark: Try to give it a message which is more pertinent to the context than the exception's message, e.g. what was it actually trying to do at the time?
– skaffman
Dec 3 '10 at 16:53
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What do the following phrases mean in C++: zero-, default- and value-initialization?
...the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this previous answer about the behavior of operator new for details on the the different behavior of these ty...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...set that you want to merge into an older existing data set. This is vastly more efficient than individual row upserts and should be preferred whenever practical.
In this case, you typically follow the following process:
CREATE a TEMPORARY table
COPY or bulk-insert the new data into the temp table
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