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What is the maximum length of a Push Notification alert text?
... iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 bytes.)
This is what I could find doing some experiments.
Alerts: P...
Where do I put image files, css, js, etc. in Codeigniter?
...here is it acceptable to put css folders and image file folders? I was thinking inside the view folder? However the controller always reroutes the path to the base url so I have to specify the path in the .html file to where it sits, which is redundant.
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PostgreSQL LIKE query performance variations
I have been seeing quite a large variation in response times regarding LIKE queries to a particular table in my database. Sometimes I will get results within 200-400 ms (very acceptable) but other times it might take as much as 30 seconds to return results.
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How to print a string in fixed width?
...11 - This answer is very old. It is still valid and correct, but people looking at this should prefer the new format syntax.
You can use string formatting like this:
>>> print '%5s' % 'aa'
aa
>>> print '%5s' % 'aaa'
aaa
>>> print '%5s' % 'aaaa'
aaaa
>>> pr...
How to debug apk signed for release?
I have an apk which I've signed and uploaded to Android Market, and installed on my phone. I would like to debug this release apk (by means of Eclipse) whilst it is running on my phone. I have done this before (and remember it being with one of the Android development tools; perhaps Dalvik Debug Mon...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
... to create an AlertDialog which requires a Context as a parameter. This works as expected if I use:
28 Answers
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How can I display just a portion of an image in HTML/CSS?
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One way to do it is to set the image you want to display as a background in a container (td, div, span etc) and then adjust background-position to get the sprite you want.
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How can I visualize per-character differences in a unified diff file?
...t I cannot see which characters in the changed lines differ. Does anyone know a way (in Vim, or some other free software that runs on Ubuntu) to visualize per-character differences?
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z-index not working with fixed positioning
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This question can be solved in a number of ways, but really, knowing the stacking rules allows you to find the best answer that works for you.
Solutions
The <html> element is your only stacking context, so just follow the stacking rules inside a stacking context and you will se...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
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Updated
For MS SQL Server 2012 and above
USE [master];
DECLARE @kill varchar(8000) = '';
SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';'
FROM sys.dm_exec_sessions
WHERE database_id = db_id('MyDB')
EXEC(@kill);
For MS SQL Server 2000, 2005, 2008
USE master;
...