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java get file size efficiently
... fis = new FileInputStream(me);
return fis.getChannel().size();
} finally {
fis.close();
}
}
},
URL {
@Override
public long getResult() throws Exception {
InputStream stream = null;
...
How to use range-based for() loop with std::map?
...f copy assignment operator of foo and bar is cheap (eg. int, char, pointer etc), you can do the following:
foo f; bar b;
BOOST_FOREACH(boost::tie(f,b),testing)
{
cout << "Foo is " << f << " Bar is " << b;
}
...
Draw radius around a point in Google map
...oogle Latitude circle by changing the fillColor, strokeColor, strokeWeight etc (full API).
See more source code and example screenshots.
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How to convert JSON to CSV format and store in a variable
...eal. e.g. each record on its own line, numbers and booleans left unquoted, etc.
– scunliffe
Aug 12 '15 at 12:32
2
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Stash changes while keeping the changes in the working directory in Git
...sh pop anyway but you can do things like creating patch or resetting files etc. from there, your working dir files are also left intact BTW.
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NUnit vs. xUnit
...l its operation (number of threads, threads per class, tests per assembly, etc.
Check out this sample solution with two test projects, one using xUnit the other NUnit.
You can read more about parallel tests in xUnit here.
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Join vs. sub-query
.... It all depends on the data, indexes, correlation, amount of data, query, etc.
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How to remove a field from params[:something]
...he params hash is a very BAD IDEA. confuses people easily during debugging etc... use a custom hash that you pass to assign attributes, e.g. use assin_params = params.dup.delete(:company). never delete from params directly
– Dominik Goltermann
Nov 8 '13 at 10:4...
What's the best way to share data between activities?
...ashMap of WeakReferences
Persist objects (sqlite, share preferences, file, etc.)
TL;DR: there are two ways of sharing data: passing data in the intent's extras or saving it somewhere else. If data is primitives, Strings or user-defined objects: send it as part of the intent extras (user-defined ob...
Best way to find the intersection of multiple sets?
...duce. It can in general be used quite nicely to build lists, sets, strings etc. Worth a look also is github.com/EntilZha/PyFunctional
– Andreas
Nov 16 '16 at 6:03
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