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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 ...
Razor doesn't understand unclosed html tags
...e trying to output HTML):
@Html.Raw("<html>")
(Html.Raw reference from MS - http://msdn.microsoft.com/en-us/library/gg568896(v=vs.111).aspx)
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What does `node --harmony` do?
...all the harmony features (e.g. --harmony_scoping, --harmony_proxies, etc.) From this blog post, it seems harmony enables new ECMAScript 6 features in the language. The reason your file won't run without harmony is because app.js is probably using non-backward compatible features from the new ECMAScr...
Check if the number is integer
...hange the regex to fix this, but this approach is dreadful. (Comment comes from attribution in the installr package.)
– Joshua Ulrich
Mar 5 '13 at 15:30
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How do you plot bar charts in gnuplot?
...ctive 'notitle' after the each plot clause in order to surpress the legend from coming up.
– chinnychinchin
Sep 29 '15 at 21:53
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Haskell: Lists, Arrays, Vectors, Sequences
...nce list. The best example of lists screwing up performance tends to come from [Char] which the prelude has aliased as String. Char lists are convient, but tend to run on the order of 20 times slower than C strings, so feel free to use Data.Text or the very fast Data.ByteString. I'm sure there ar...
MongoDB: update every document on one field
...ongo only affects the first document and to update all documents resulting from the query one needs to use 'Multi' update flag. Sample code follows...
var collection = db.GetCollection("Foo");
var query = Query.GTE("No", 1); // need to construct in such a way that it will give all 20K //docs.
var u...
Working Soap client example
...id main(String args[]) {
/*
The example below requests from the Web Service at:
http://www.webservicex.net/uszip.asmx?op=GetInfoByCity
To call other WS, change the parameters below, which are:
- the SOAP Endpoint URL (that is, where the ser...
Run java jar file on a server as background process
...nohup.out created in whichever directory this script happens to be invoked from.
– Charles Duffy
Dec 14 '18 at 16:23
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How to set custom location for local installation of npm package?
...our user account.
In .npmrc:
prefix=${HOME}/npm
Then run this command from the command line:
npm config ls -l
It should give output on both your own local configuration and the global npm configuration, and you should see your local prefix configuration reflected, probably near the top of the...