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Android image caching
...ge collected during crisis). This could ensue a Reload though.
HashMap<String,SoftReference<Bitmap>> imageCache =
new HashMap<String,SoftReference<Bitmap>>();
writing them on SDcard will not require a Reload; just a user-permission.
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ActiveRecord: size vs count
...many association, size will use the cached count directly, and not make an extra query at all.
class Image < ActiveRecord::Base
belongs_to :product, counter_cache: true
end
class Product < ActiveRecord::Base
has_many :images
end
> product = Product.first # query, load product into m...
BestPractice - Transform first character of a string into lower case
I'd like to have a method that transforms the first character of a string into lower case.
11 Answers
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SQL order string as number
...o number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not contain a number, so the re...
XAMPP, Apache - Error: Apache shutdown unexpectedly
...and solved it by making sure that each directory specified in /apache/conf/extras/httpd-bhosts.conf were actual paths.
– Matthew
Mar 20 '15 at 23:43
8
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How to append data to div using JavaScript?
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Try this:
var div = document.getElementById('divID');
div.innerHTML += 'Extra stuff';
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When should I use the Visitor Design Pattern? [closed]
... be a directory or an XML tag.
[If your a Java person, imagine of a lot of extra methods to build and maintain the children list.]
class TreeNode( object ):
def __init__( self, name, *children ):
self.name= name
self.children= children
def visit( self, someVisitor ):
...
Using PHP with Socket.io
...th php/mysql/static files only) with adsl subscription, without paying any extra. So no, being able to buy crappy VPS for $5 is definitely not a solution.
– Olli
Apr 1 '12 at 12:51
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IIS7: HTTP->HTTPS Cleanly
...ontext.Request.IsSecureConnection)
Response.Redirect(Context.Request.Url.ToString().Replace("http:", "https:"));
}
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Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
...the file is stored under C:\Program Files (x86)\Android\android-studio\sdk\extras\intel\Hardware_Accelerated_Execution_Manager, then I need to copy it to somewhere else.
– User
Sep 4 '14 at 8:14
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