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Pointer vs. Reference
... is in a usable state. Hence, no NULL-check or error handling needs to be done for that value.
Rationale 3: Rationales 1 and 2 will be compiler enforced. Always catch errors at compile time if you can.
If a function argument is an out-value, then pass it by reference.
Rationale: We don't want to ...
A cron job for rails: best practices?
...puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and answer! Some new info:
t...
C++ convert hex string to signed integer
...tand the "0x" notation. So both the boost::lexical_cast and my hand rolled one don't deal well with hex strings. The above solution which manually sets the input stream to hex will handle it just fine.
Boost has some stuff to do this as well, which has some nice error checking capabilities as well....
When is finally run if you throw an exception from the catch block?
...own (i.e. after the catch block is executed)
editing this 7 years later - one important note is that if e is not caught by a try/catch block further up the call stack or handled by a global exception handler, then the finally block may never execute at all.
...
What is the email subject length limit?
...or no more than 78 characters in the subject header sounds reasonable. No one wants to scroll to see the entire subject line, and something important might get cut off on the right.
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Cannot install packages using node package manager in Ubuntu
...you can have multiple directories in your $PATH variable, and the earliest one with a matching named executable is used. (But that's really very different from a namespace.)
– iconoclast
Jan 24 '16 at 19:35
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Splitting a string into chunks of a certain size
... keep in mind that LINQ and it's magic is not as easy to understand to someone that just wants to look at a solution to this problem. A person must now understand what the Enumerable.Range() and .Select() functions do. I will not argue that you should have an understanding of that to write C#/.NET ...
Use IntelliJ to generate class diagram
...g something obvious, but I can only get the "Show Diagram" feature to show one class at a time. (I also figured out how to add additional classes, but again, only one at a time.)
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Using jQuery to compare two arrays of Javascript objects
...a filter function, not an equality function. Try it with [1,2] and [1]. In one order, you'll get [], and in another, you'll get [2].
– Noyo
Aug 29 '14 at 14:07
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What do people think of the fossil DVCS? [closed]
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Features provided by fossil that one does not get with other DVCSes include: - Integrated wiki. - Integrated bug tracking - Immutable artifacts - Self-contained, stand-alone executable that can be run in a chroot jail - Simple, well-defined, enduring file fo...