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How do I convert an NSString value to NSData?
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NSString* str = @"teststring";
NSData* data = [str dataUsingEncoding:NSUTF8StringEncoding];
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What differences, if any, between C++03 and C++11 can be detected at run-time?
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return sizeof(&A::operator int&& +a) == sizeof(Y);
}
That test-case doesn't work for C++0x in GCC (looks like a bug) and doesn't work in C++03 mode for clang. A clang PR has been filed.
The modified treatment of injected class names of templates in C++11:
template<typename T>...
Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
...ually a JSON Array - that would look like this:
[
{
"name": "Test order1",
"detail": "ahk ks"
},
{
"name": "Test order2",
"detail": "Fisteku"
}
]
Since you're not controlling the exact process of deserialization (RestEasy does) - a first option wou...
Determine if string is in list in JavaScript
...'b')
This has some inherent benefits over indexOf because it can properly test for the presence of NaN in the list, and can match missing array elements such as the middle one in [1, , 2] to undefined. includes also works on JavaScript typed arrays such as Uint8Array.
If you're concerned about brow...
Combining multiple commits before pushing in Git [duplicate]
...or "interactive") with a file that looks like this:
pick 16b5fcc Code in, tests not passing
pick c964dea Getting closer
pick 06cf8ee Something changed
pick 396b4a3 Tests pass
pick 9be7fdb Better comments
pick 7dba9cb All done
Change all the pick to squash (or s) except the first one:
pick 16b5fc...
Prevent automatic browser scroll on refresh
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Tested on Chrome 36, Firefox 30 and IE 11. Works very well!
– Fizzix
Aug 7 '14 at 1:46
24
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Static linking vs dynamic linking
...n how well it works.
The way to answer performance questions is always by testing (and use a test environment as much like the deployment environment as possible).
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Best way to create custom config options for my Rails app?
...t: http://blablalba/blabbitybla/yadda
development:
<<: *defaults
test:
<<: *defaults
production:
<<: *defaults
This configuration file gets loaded from a custom initializer in config/initializers:
# Rails 2
APP_CONFIG = YAML.load_file("#{RAILS_ROOT}/config/config.yml")[...
C/C++ include header file order
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If you use Feature Test Macros, your first include most probably should NOT be a standard library header. Therefore, for generality, I'd say the "local first, global later" policy is best.
– hmijail mourns resignees
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...s under the impression that Linux thread creation was very cheap and after testing I determined that the overhead of function call in a new thread vs. a normal one is enormous. The overhead for creating a thread to handle a function call is something like 10000 or more times slower than a plain func...