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How should I unit test threaded code?
...in multithreaded code are probabilistic; the bugs that manifest themselves least frequently are the bugs that will sneak through into production, will be difficult to reproduce even in production, and will thus cause the biggest problems. For this reason, the standard coding approach of writing the...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...rick with two levels of recursion -- I had to play with stringification at least once -- but didn't know how to do this one.
– JJ.
Sep 29 '09 at 3:34
...
Which parts of Real World Haskell are now obsolete or considered bad practice?
...n of the libraries/functions you want to use. Even if you're lazy, know at least the types.
Remarks to chapters
This is just a quick overview of some of the things that I noticed while reading RWH. It's probably incomplete.
Chapter 2. Types and Functions vs the FTP
Since GHC 7.10.
The type of ...
vim, switching between files rapidly using vanilla Vim (no plugins)
...fer] commands are quite handy; :ls tells you the numbers.
Plugins (or at least custom mappings) can improve things a lot, and there's a whole variety on this topic on vim.org. There are various mechanisms to distribute your config (Pathogen + GitHub, Dropbox, ...), or you could remotely edit serve...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...
A perfect answer to such question, should at least refer to one of the Microsoft articles, such as iis.net/learn/application-frameworks/….
– Lex Li
May 19 '14 at 12:51
...
Returning a C string from a function
...sh 9 out of 10 times: It will never crash. Even compilers from the 80s (at least the ones I've used) correctly support the unlimited lifetime of string literals. Note: I'm not sure what you meant about editing the answer: I still see it says it's prone to crashes.
– cesss
...
MySQL: @variable vs. variable. What's the difference?
...d insidious. They cross sessions! @variables have "session scope", so at least they they stay confined in that manner. In any normal language that is what you call "global" scope however (when they cross functions etc). The MySQL concept of "global" should perhaps be called "universal", in that ...
What exactly does Perl's “bless” do?
...ay for useful examples) or even a reference to a file or directory handle (least common case).
The effect bless-ing has is that it allows you to apply special syntax to the blessed reference.
For example, if a blessed reference is stored in $obj (associated by bless with package "Class"), then $o...
How much does it cost to develop an iPhone application? [closed]
...any hardware to touch, either (LOTS of printouts!) Combined they spent at least 25 hours per week on the project. So 225 hours at $150/hr is about $34,000.
There are also other costs that many developer neglect to take into account: project management, testing, equipment. Again, if we lowball that...
Call method in directive controller from other controller
... $scope.message = msg;
$scope.toggleDisplay();
});
This works, at least, and seems to me to be a nicely decoupled solution. I'll let others chime in if this is considered poor practice for some reason.
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