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List to array conversion to use ravel() function
I have a list in python and I want to convert it to an array to be able to use ravel() function.
6 Answers
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Python + Django page redirect
...obés.
Update #2: Django 1.3+
In Django 1.5 redirect_to no longer exists and has been replaced by RedirectView. Credit to Yonatan
from django.views.generic import RedirectView
urlpatterns = patterns('',
(r'^one/$', RedirectView.as_view(url='/another/')),
)
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data.frame rows to a list
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Like this:
xy.list <- split(xy.df, seq(nrow(xy.df)))
And if you want the rownames of xy.df to be the names of the output list, you can do:
xy.list <- setNames(split(xy.df, seq(nrow(xy.df))), rownames(xy.df))
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Lightweight Java Object cache API [closed]
...or an example of creating an in memory cache. You can specify a max size, and a time to live.
EHCache does offer some advanced features, but if your not interested in using them - don't. But it's nice to know they are there if your requirements ever change.
Here is an in memory cache. Created i...
Basic example of using .ajax() with JSONP?
...ray from script tag. So JSONP creators decided that this will work better (and it is):
script = document.createElement("script");
script.type = "text/javascript";
script.src = "http://www.someWebApiServer.com/some-data?callback=my_callback";
Notice my_callback function over there? So - when JSONP...
Convert array of strings into a string in Java
...arr) {
builder.append(s);
}
String str = builder.toString();
(Java 8 and above):
String str = String.join(",", arr);
And if you're coming from the Android angle:
String str = TextUtils.join(",", arr);
You can modify the above depending on what characters, if any, you want in between stri...
How to discover number of *logical* cores on Mac OS X?
How can you tell, from the command line, how many cores are on the machine when you're running Mac OS X? On Linux, I use:
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Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
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@Bhanu The docs show this does take a long value and appears to work correctly: docs.oracle.com/javase/7/docs/api/java/sql/…
– Hazok
Dec 16 '14 at 2:00
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git: diff between file in local repo and origin
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If [remote-path] and [local-path] are the same, you can do
$ git fetch origin master
$ git diff origin/master -- [local-path]
Note 1: The second command above will compare against the locally stored remote tracking branch. The fetch comman...
POST JSON fails with 415 Unsupported media type, Spring 3 mvc
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I've had this happen before with Spring @ResponseBody and it was because there was no accept header sent with the request. Accept header can be a pain to set with jQuery, but this worked for me source
$.postJSON = function(url, data, callback) {
return jQuery.ajax({
hea...