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angularjs directive call function specified in attribute and pass an argument to it
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From my tests using this code in angular 1.2.28, it works well. My tests do not call theMethodToBeCalled with undefined on first load. Neither does the plunker example. This does not appear to be a problem. In other words, ...
Take the content of a list and append it to another list
...st
Using the list classes extend method, you can do a copy of the elements from one list onto another. However this will cause extra memory usage, which should be fine in most cases, but might cause problems if you want to be memory efficient.
a = [0,1,2]
b = [3,4,5]
a.extend(b)
>>[0,1,2,3,4,5...
API Versioning for Rails Routes
...he routes file 301 has been made the default redirect and for good reason. From the guides: Please note that this redirection is a 301 “Moved Permanently” redirect. Keep in mind that some web browsers or proxy servers will cache this type of redirect, making the old page inaccessible.
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Iterate through the fields of a struct in Go
...reflect.Value of the field by using Field(i) you can get a
interface value from it by calling Interface(). Said interface value then represents the
value of the field.
There is no function to convert the value of the field to a concrete type as there are,
as you may know, no generics in go. Thus, ...
How to know what the 'errno' means?
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For reference, here is a list from Ubuntu 14.04 amd64 pastebin.com/407gDBPq
– kevinf
Aug 8 '14 at 18:31
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An efficient way to transpose a file in Bash
...hape function in APL, comes with BSDs and OS X, but it should be available from package managers on other platforms.
A second option is to use Ruby:
ruby -e'puts readlines.map(&:split).transpose.map{|x|x*" "}'
A third option is to use jq:
jq -R .|jq -sr 'map(./" ")|transpose|map(join(" "))[...
Where is nodejs log file?
...errors to STDERR and output to STDOUT. You can change that when you run it from your shell to log to a file instead.
node my_app.js > my_app_log.log 2> my_app_err.log
Alternatively (recommended), you can add logging inside your application either manually or with one of the many log librari...
Difference between require, include, require_once and include_once?
...ld continue when not found, e.g.
great for templates referencing variables from the current scope or something
include_once
optional dependencies that would produce errors on subsequent loading or maybe remote file inclusion that you do not want to happen twice due to the HTTP overhead
But basical...
What is the difference between a mutable and immutable string in C#?
...to make a copy of it if you want to be absolutely sure it won't change out from under you. This is why mutable objects are dangerous to use as keys into any form of Dictionary or set- the objects themselves could change, and the data structure would have no way of knowing, leading to corrupt data th...
How to find a min/max with Ruby
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You can do
[5, 10].min
or
[4, 7].max
They come from the Enumerable module, so anything that includes Enumerable will have those methods available.
v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each....