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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...at sending data to a generator even means, you need to drop everything and read about coroutines first—they're very useful (contrast them with subroutines), but unfortunately lesser-known in Python. Dave Beazley's Curious Course on Coroutines is an excellent start. Read slides 24-33 for a quick pr...
DDD - the rule that Entities can't access Repositories directly
...ample: Chatroom user is not allowed to change their name to a name thats already been used by someone else. I'd like that rule to be built into by ChatUser entity, but its not very easy to do if you can't hit the repository from there. So what should I do?
– codeulike
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What is the best way to implement constants in Java? [closed]
...sn't worth the possible confusion as to where the constant came from, when reading long code, MaxSeconds.MAX_SECONDS may be easier to follow then going up and looking at the imports.
– MetroidFan2002
Sep 15 '08 at 20:35
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Analytics Google API Error 403: “User does not have any Google Analytics Account”
...ed the permissions of the email account from inside Google Analytics from 'Read & Analyze' to something else, saved it, and then changed the permissions back to 'Read & Analyze' and it worked.
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What are the advantages of using a schema-free database like MongoDB compared to a relational databa
...ines your schema.
A clear path to horizontal scalability.
You'll need to read more about it and play with it to get a better idea. Here's an online demo:
http://try.mongodb.org/
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Make xargs execute the command once for each line of input
... original question is really about point 2. above (as I think it is, after reading it a few times over) and it is to be read like this (changes in bold):
How can I make xargs execute the command exactly once for each argument of input given? Its default behavior is to chunk the input into argume...
Is it bad practice to return from within a try catch finally block?
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No, it's not a bad practice. Putting return where it makes sense improves readability and maintainability and makes your code simpler to understand. You shouldn't care as finally block will get executed if a return statement is encountered.
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How to use Java property files?
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how does this compare with properties.load(PropertiesReader.class.getResourceAsStream("/properties.properties")); that is, getResourceAsStream versus FileInputStream? pros and cons?
– Thufir
Jan 27 '15 at 4:17
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Regex (grep) for multi-line search needed [duplicate]
...hat grep works one line at a time - so it cannot find a SELECT statement spread across lines.
Your second problem is that the regex you are using doesn't deal with the complexity of what can appear between SELECT and FROM - in particular, it omits commas, full stops (periods) and blanks, but also q...
Unable to evaluate expression because the code is optimized or a native frame is on top of the call
... use the Response.End, Response.Redirect, or Server.Transfer
method, a ThreadAbortException exception occurs. You can use a
try-catch statement to catch this exception.
Cause
The Response.End method ends the page execution and shifts the
execution to the Application_EndRequest event in t...