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What is the difference between string primitives and String objects in JavaScript?
Taken from MDN
12 Answers
12
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What is the difference between RDF and OWL? [closed]
...en to a logical extreme. They have the advantage that you can load triples from many sources into one database with no reconfiguration.
RDF and RDFS
The next layer is RDF - The Resource Description Framework. RDF defines some extra structure to triples. The most important thing RDF defines is a pr...
How can I reverse a NSArray in Objective-C?
...rse any NSMutableArray in place:
/* Algorithm: swap the object N elements from the top with the object N
* elements from the bottom. Integer division will wrap down, leaving
* the middle element untouched if count is odd.
*/
for(int i = 0; i < [array count] / 2; i++) {
int j = [array co...
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
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I used the following psd that I derived from http://www.teehanlax.com/blog/?p=447
http://www.chrisandtennille.com/pictures/backbutton.psd
I then just created a custom UIView that I use in the customView property of the toolbar item.
Works well for me.
Edit: A...
How do I echo and send console output to a file in a bat script?
...badly - all subsequent stderr output was captured to errors.txt (that is - from other commands too!).
– Tomasz Gandor
Sep 13 '16 at 23:36
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How to open files relative to home directory
...when you use shared network computers for development, you could get this from Ruby using:
require 'etc'
open ("#{Etc.getpwuid.dir}/some_file")
I believe this identifies the current logged-in user and gets their home directory rather than relying on the global $HOME environment variable being se...
are there dictionaries in javascript like python?
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If the value comes from the user, then care needs to be taken to use Object.hasOwnProperty.call(dictionary, key) (otherwise the user can enter a value of valueOf and dictionary['valueOf'] returns the Object.valueOf() function belonging to the O...
Unit testing private methods in C#
...ehind black box programming and encapsulation is to hide technical details from the subscriber. So it is indeed necessary to have non-trivial private methods and properties in your code. And if it's non-trivial, it needs to be tested.
– AxD
Aug 25 '16 at 23:48
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Is Python interpreted, or compiled, or both?
From my understanding:
11 Answers
11
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How do I install an old version of Django on virtualenv?
...ere : docs.djangoproject.com/en/2.0/releases oddly I didn't find this page from the django doc. replace '2.0' by '2.1' in some months..
– jerome
Mar 3 '18 at 12:27
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