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Store pictures as files or in the database for a web app?
... found this answer from googling your question and reading the comments at http://databases.aspfaq.com/database/should-i-store-images-in-the-database-or-the-filesystem.html
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What's the difference between a POST and a PUT HTTP REQUEST?
...
HTTP PUT:
PUT puts a file or resource at a specific URI, and exactly at that URI. If there's already a file or resource at that URI, PUT replaces that file or resource. If there is no file or resource there, PUT creates one...
Exporting functions from a DLL with dllexport
... definition file (.def) instead of __declspec(dllexport) to define exports(http://msdn.microsoft.com/en-us/library/d91k01sh.aspx). I have no idea why this works, but it does
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is not JSON serializable
...objects:
data = serializers.serialize('json', self.get_queryset())
return HttpResponse(data, content_type="application/json")
In your case, self.get_queryset() contains a mix of django objects and dicts inside.
One option is to get rid of model instances in the self.get_queryset() and replace th...
Add unique constraint to combination of two columns
... to insert the row and returning an exception (exceptions are expensive).
http://www.sqlperformance.com/2012/08/t-sql-queries/error-handling
http://www.mssqltips.com/sqlservertip/2632/checking-for-potential-constraint-violations-before-entering-sql-server-try-and-catch-logic/
If you want to preve...
php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
...os信息
*
* @return os
*/
function getOS()
{
$agent = $_SERVER['HTTP_USER_AGENT'];
$os = false;
if (eregi('win', $agent) && strpos($agent, '95')){
$os = 'Windows 95';
}
else if (eregi('win 9x', $agent) && strpos($agent, '4.90')){
$os = 'Windows ME';
}
else if (eregi('wi...
Stopping fixed position scrolling at a certain point?
...
Do you mean sort of like this?
http://jsfiddle.net/b43hj/
$(window).scroll(function(){
$("#theFixed").css("top", Math.max(0, 250 - $(this).scrollTop()));
});
$(window).scroll(function(){
$("#theFixed").css("top", Math.max(0, 100 - $(this).s...
What are naming conventions for MongoDB?
... in the following example:
use myDB
use myNewDB
Content from: https://docs.mongodb.com/manual/core/databases-and-collections/#databases
COLLECTIONS
Lowercase names: avoids case sensitivity issues, MongoDB collection names are case sensitive.
Plural: more obvious to label a col...
Admob Error in Eclipse for android:configChanges
...entioned config changes are not support in Android 2.1, have a look here:
http://developer.android.com/guide/topics/manifest/activity-element.html#config
e.g. uiMode needs API Level 8.
From the official AdMob Documentation:
Requirements
The Google AdMob Ads SDK for Android requires Android 1.5 ...
Running multiple TeamCity Agents on the same computer?
...
You could also take a look at this blog post for Step-by-step guide
http://handcraftsman.wordpress.com/2010/07/20/multiple-teamcity-build-agents-on-one-server/
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