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Rails ActionMailer - format sender and recipient name/email address
...e the name and email, you can end up with an invalid From header by simply concatenating strings. Here is a safe way:
require 'mail'
address = Mail::Address.new email # ex: "john@example.com"
address.display_name = name.dup # ex: "John Doe"
# Set the From or Reply-To header to the following:
addr...
Using LINQ to concatenate strings
...bit slower, actually. Even using Aggregate with a StringBuilder instead of concatenation is slower than String.Join.
– Joel Mueller
May 7 '09 at 20:33
4
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How to display pandas DataFrame of floats using a format string for columns?
...ake_float)
Also, it can be easily used with multiple columns...
df = pd.concat([s, s * 2], axis=1)
make_floats = lambda row: "${:,.2f}, ${:,.3f}".format(row[0], row[1])
df.apply(make_floats, axis=1)
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Concatenate text files with Windows command line, dropping leading lines
I need to concatenate some relatively large text files, and would prefer to do this via the command line. Unfortunately I only have Windows, and cannot install new software.
...
Merge and interleave two arrays in Ruby
...
[ "a", "b" ].concat( ["c", "d"] ) #=> [ "a", "b", "c", "d" ]
– Leo Romanovsky
Oct 4 '12 at 4:41
31
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No provider for “framework:jasmine”! (Resolving: framework:jasmine)
...ffee": "~0.7.0",
"grunt-contrib-compass": "~0.6.0",
"grunt-contrib-concat": "~0.3.0",
"grunt-contrib-connect": "~0.5.0",
"grunt-contrib-copy": "~0.4.1",
"grunt-contrib-cssmin": "~0.7.0",
"grunt-contrib-htmlmin": "~0.1.3",
"grunt-contrib-imagemin": "~0.3.0",
"grunt-con...
How to format strings in Java
...on isn't even accurate. + is equivalent to using StringBuilder, not String.concat. (Way too much info on this.)
– Søren Løvborg
Sep 4 '12 at 8:01
add a comment
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How to uglify output with Browserify in Gulp?
...serify, and each entry file will result in separate bundle. If you want to concatenate all of the bundle outputs into a single file, you can use gulp-concat and add it to the end of your gulp pipeline. That will be the equivalent of running browserify <options> > single-file.js in terminal....
Is Enabling Double Escaping Dangerous?
...the uri decoded data (such as generating local filesystem URI's via string concatenation).
To disable the check do the following (from here): (see my comment below for what double escaping entails).
<system.webServer>
<security>
<requestFiltering allowDoubleEscaping="tru...
DbEntityValidationException - How can I easily tell what caused the error?
...eption message with the new one.
var exceptionMessage = string.Concat(ex.Message, " The validation errors are: ", fullErrorMessage);
// Throw a new DbEntityValidationException with the improved exception message.
throw new DbEntityValidationException(excep...