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What REALLY happens when you don't free after malloc?
This has been something that has bothered me for ages now.
17 Answers
17
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Can I use jQuery with Node.js?
...swer to no longer work. I found this answer that explains how to use jsdom now. I've copied the relevant code below.
var jsdom = require("jsdom");
const { JSDOM } = jsdom;
const { window } = new JSDOM();
const { document } = (new JSDOM('')).window;
global.document = document;
var $ = jQuery = requ...
difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
...ctivity.this and getBaseContext, they all offer reference to the context.
Now the thing confuses is the declaration of different contexts and their specific-usage. To make things simple, you should count two types of context available in the Android framework.
Application Context
Activity Context...
Why doesn't TFS get latest get the latest?
...'t correct. TFS "get latest" works exactly as advertised, as long as TFS knows about changes to the files. Get Latest only "screws up" when people go out and modify filed outside of the IDE without checking them out first. Then, TFS thinks you have the latest source on disk, and doesn't get it.
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What's the difference between @Component, @Repository & @Service annotations in Spring?
...for any class that fulfils the
role or stereotype of a repository (also known as Data Access Object
or DAO). Among the uses of this marker is the automatic translation of
exceptions, as described in Exception Translation.
Spring provides further stereotype annotations: @Component, @Servic...
How to add to an existing hash in Ruby
...'
# This is then available immediately
hash[:b]
# => "Bee"
# The hash now contains both keys
hash
# => { :a => 'a', :b => 'Bee' }
Ruby on Rails confuses this somewhat by providing HashWithIndifferentAccess where it will convert freely between Symbol and String methods of addressing.
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...he problems with the JavaScript-style have been fixed in Ruby 2.2. You can now use quotes if you have symbols that aren't valid labels, for example:
h = { 'where is': 'pancakes house?', '$set': { a: 11 } }
But you still need the hashrocket if your keys are not symbols.
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Django: How to completely uninstall a Django app?
...py makemigrations -n drop_all_tables my_app_to_remove
The directory looks now like this:
my_app_to_remove/
my_app_to_remove/__init__.py
my_app_to_remove/migrations
my_app_to_remove/migrations/0001_initial.py
my_app_to_remove/migrations/....
my_app_to_remove/migrations/0030_drop_all_tables.py
my_ap...
Set environment variables on Mac OS X Lion
...
Also it's useful to know about ~/.bashrc. ~/.bashrc file runs every time you open a new non-login bash shell such as xterm / aterm, and ~/.bash_profile runs only with login shells i.e when you first log in into system.
– Dan...
What database does Google use?
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Do anyone know if it was that built from scratch or based on some product? I heard somewhere I don't remember where, that google used Oracle once, but they drop it because they need some modifications that Oracle won't do nor allow them...