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In C++, what is a “namespace alias”?
...t, shorter name.
As an example, say you wanted to use the numeric vectors from Boost's uBLAS without a using namespace directive. Stating the full namespace every time is cumbersome:
boost::numeric::ublas::vector<double> v;
Instead, you can define an alias for boost::numeric::ublas -- say ...
Append an object to a list in R in amortized constant time, O(1)?
...he times to be fairly consistent, but occasionally our code may be evicted from the cache due to timer tick interrupts or other hardware interrupts that are unrelated to the code we are testing. By testing the code snippets 5 times, we are allowing the code to be loaded into the cache during the fir...
What is git actually doing when it says it is “resolving deltas”?
...hat deals with making sure all of that stays consistent.
Here's a chapter from the "Git Internals" section of the Pro Git book, which is available online, that talks about this.
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What are the differences between .so and .dylib on osx?
...namically load libraries. A set of dyld APIs (e.g. NSCreateObjectFileImageFromFile, NSLinkModule) were introduced with 10.1 to load and unload bundles, but they didn't work for dylibs. A dlopen compatibility library that worked with bundles was added in 10.3; in 10.4, dlopen was rewritten to be a ...
UTF-8: General? Bin? Unicode?
...ers. It can make only one-to-one comparisons between characters.
Quoted from:
http://dev.mysql.com/doc/refman/5.0/en/charset-unicode-sets.html
For more detailed explanation, please read the following post from MySQL forums:
http://forums.mysql.com/read.php?103,187048,188748
As for utf8_bin:
Bot...
How to access parameters in a RESTful POST method
...aasvaak - you need to specify where each param is expected to be extracted from. As you have things now Jersey/NetBeans is assuming a form post and extracting the data sent as a FormParm. Annotate each of your method augments with where you want the data from (PathParam, FormParam, CookieParam etc)
...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...true;
I suggest to overwrite the input fallback in moment.
moment.createFromInputFallback=function (config){
config._d = new Date(config._i);
}
As (3) will suppress all the warnings, (4) will suppress only the date construction fallback. Using (4), you will get Invalid Date as the internal...
Does name length impact performance in Redis?
...recent version would show significantly better results. Two comments down from that link us to Salvatore's Redis/memcached Benchmark which was posted a few days after he'd responded to the original "blagger" (who seems to be anonymous).
This doesn't answer the questions (how long can the keys be a...
Enabling ProGuard in Eclipse for Android
...to point to the
# "proguard-android-optimize.txt" file instead of this one from your
# project.properties file.
#To repackage classes on a single package
#-repackageclasses ''
#Uncomment if using annotations to keep them.
#-keepattributes *Annotation*
#Keep classes that are referenced on the Andr...
Final arguments in interface methods - what's the point?
... Java 8 language spec now says that there are eight kinds of variables (up from seven--they added lambda parameters). Method parameters are still fourth on the list (at least some things in life seem stable. :-)).
– Ted Hopp
May 24 '16 at 21:32
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