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Failed to allocate memory: 8
...ini (Device Ram Size in the Hardware list of the GUI). Make sure to either select a "skin" that has a lower value, or to use a manual resolution and to remove this line from the Hardware list - you can't remove it when a skin is selected.
– RedGlyph
Nov 2 '12 a...
Keyboard shortcut for Jump to Previous View Location (Navigate back/forward) in IntelliJ IDEA
...me Intel grafics driver shorcuts on windows. Right click the desktop -> select Screen Resolution -> Click Advanced settings -> Click the vendor tab "Intel(R) ..." -> Hit the graphics properties or similar button -> Select Options and Support tab -> Disable Hotkey functionality.
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The opposite of Intersect()
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This code enumerates each sequence only once and uses Select(x => x) to hide the result to get a clean Linq-style extension method. Since it uses HashSet<T> its runtime is O(n + m) if the hashes are well distributed. Duplicate elements in either list are omitted.
publi...
Android Studio suddenly cannot resolve symbols
...
1.) Choose File option from menu on left top side of android studio.
2.) Select the option : "Invalidate Cache/ Restart.." It will open an dialog.
3.) Click on the first button with option : "Invalidate and Restart"
4.) It will close the studio and restart it. Start indexing of the project.
It...
Virtual/pure virtual explained
...es. What virtual does is to give you polymorphism, that is, the ability to select at run-time the most-derived override of a method.
Consider the following code:
#include <iostream>
using namespace std;
class Base {
public:
void NonVirtual() {
cout << "Base NonVirtual call...
How to delete projects in IntelliJ 12?
...n a file menu appears, you can right click the unwanted project folder and select Delete.
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Best way to check for nullable bool in a condition expression (if …)
...en you are trying to evaluate a nullable bool in linq.
For example:
array.Select(v => v.nullableBool ?? false)
(from v in array where v.nullableBool ?? false)
Is cleaner in my opinion as opposed to:
array.Select(v => v.nullableBool.HasValue ? v.nullableBool.Value : false)
(from v in array wh...
How to get the text node of an element?
...his.nodeType == Node.TEXT_NODE;
}).text();
This gets the contents of the selected element, and applies a filter function to it. The filter function returns only text nodes (i.e. those nodes with nodeType == Node.TEXT_NODE).
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if checkbox is checked, do this
...heckbox').click(function(){
var chk = $(this);
$('p').toggleClass('selected', chk.attr('checked'));
})
in this way your code it's cleaner because you don't have to specify all css properties (let's say you want to add a border, a text style or other...) but you just switch a class
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Removing all empty elements from a hash / YAML?
...mplementation is not recursive. As a curiosity, they implemented it using #select instead of #delete_if for performance reasons. See here for the benchmark.
In case you want to backport it to your Rails 3 app:
# config/initializers/rails4_backports.rb
class Hash
# as implemented in Rails 4
# ...