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What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?
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142
In Visual Studio 2013 and later, this functionality is built in. ALT + UP/DOWN will move a line ...
Difference between Apache CXF and Axis
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229
Keep in mind, I'm completely biased (PMC Chair of CXF), but my thoughts:
From a strictly "can...
Compute a confidence interval from sample data
...n(a), scipy.stats.sem(a)
h = se * scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
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Maven: how to do parallel builds?
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234
Maven 3 (as of beta 1) now supports parallel builds as an experimental feature.
For example,
m...
What does `:_*` (colon underscore star) do in Scala?
...alled as
new Elem(prefix, label, attributes, scope,
child1, child2, ... childN)
but here there is only a sequence, not child1, child2, etc. so this allows the result sequence to be used as the input to the constructor.
Happy coding.
1 This doesn't have a cutesy-name in the SLS, but h...
Which, if any, C++ compilers do tail-recursion optimization?
...);
int foo(int n, int acc) {
return (n == 0) ? acc : bar(n - 1, acc + 2);
}
int bar(int n, int acc) {
return (n == 0) ? acc : foo(n - 1, acc + 1);
}
Letting the compiler do the optimisation is straightforward: Just switch on optimisation for speed:
For MSVC, use /O2 or /Ox.
For GCC, Cl...
overlay two images in android to set an imageview
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235
You can skip the complex Canvas manipulation and do this entirely with Drawables, using LayerD...
How do I get the localhost name in PowerShell?
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268
You can just use the .NET Framework method:
[System.Net.Dns]::GetHostName()
also
$env:COMPU...
Check if a Postgres JSON array contains a string
...as food
d(# where food::text = '"carrots"'
d(# );
Execution time: 3084.927 ms
d=# -- Postgres 9.4+ solution
d=# explain analyze select info->'name' from rabbits where (info->'food')::jsonb ? 'carrots';
Execution time: 1255.501 ms
d=# alter table rabbits alter info type jsonb using info::...
Why does changing the sum order returns a different result?
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276
+500
May...
