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Getting a slice of keys from a map
...dited Sep 28 '17 at 4:19
Freedom_Ben
8,59888 gold badges4949 silver badges8080 bronze badges
answered Jan 8 '15 at 19:36
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sed in-place flag that works both on Mac (BSD) and Linux
...dard Base specification since May 1, 2009. refspecs.linuxfoundation.org/LSB_4.0.0/LSB-Languages/…
– OregonTrail
Mar 28 '19 at 2:32
1
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Dynamically select data frame columns using $ and a character value
...3 = sample(5,10,repl=T) )
# We want to sort by 'col3' then by 'col1'
sort_list <- c("col3","col1")
# Use 'do.call' to call order. Seccond argument in do.call is a list of arguments
# to pass to the first argument, in this case 'order'.
# Since a data.frame is really a list, we just subset ...
How to tell if a file is git tracked (by shell exit code)?
...er up your console with error messages, you can also run
git ls-files file_name
and then check the result. If git returns nothing, then the file is not tracked. If it's tracked, git will return the file path.
This comes in handy if you want to combine it in a script, for example PowerShell:
$gi...
Can you use if/else conditions in CSS?
...at looks something like this:
p {
background-position: <?php echo (@$_GET['foo'] == 'bar')? "150" : "4"; ?>px 8px;
}
In this case, you will however have a performance impact, since caching such a stylesheet will be difficult.
...
How To Accept a File POST
... }
string root = System.Web.HttpContext.Current.Server.MapPath("~/App_Data/uploads");
var provider = new MultipartFormDataStreamProvider(root);
var task = request.Content.ReadAsMultipartAsync(provider).
ContinueWith<HttpResponseMessage>(o =>
{
string...
With ng-bind-html-unsafe removed, how do I inject HTML?
...example, load it from https://ajax.googleapis.com/ajax/libs/angularjs/[LAST_VERSION]/angular-sanitize.min.js
you need to include ngSanitize module on your app
eg: var app = angular.module('myApp', ['ngSanitize']);
you just need to bind with ng-bind-html the original html content. No need to do anyth...
Difference between ref and out parameters in .NET [duplicate]
What is the difference between ref and out parameters in .NET? What are the situations where one can be more useful than the other? What would be a code snippet where one can be used and another can't?
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jQuery's .click - pass parameters to user function
...e this...
$("some selector").click({param1: "Hello", param2: "World"}, cool_function);
// in your function, just grab the event object and go crazy...
function cool_function(event){
alert(event.data.param1);
alert(event.data.param2);
}
I know it's late in the game for this question, but t...
Right HTTP status code to wrong input
...
For me link (fb-developers.info/tech/fb_dev/faq/general/gen_10.html) leads to a random ad. I think the domain was spoofed
– dmitry502
Jun 29 at 8:39
...