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Using jQuery to test if an input has focus
On the front page of a site I am building, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except ...
uwsgi invalid request block size
...me issue while following some tutorial.
The problem was that I set the option socket = 0.0.0.0:8000 instead of http = 0.0.0.0:8000.
socket option intended to be used with some third-party router (nginx for instance), while when http option is set uwsgi can accept incoming HTTP requests and route the...
When is JavaScript synchronous?
I have been under the impression for that JavaScript was always asynchronous. However, I have learned that there are situations where it is not (ie DOM manipulations). Is there a good reference anywhere about when it will be synchronous and when it will be asynchronous? Does jQuery affect this at...
MVC Vs n-tier architecture
I was wondering what exactly is the difference between MVC(which is an architectural pattern) and an n-tier architecture for an application. I searched for it but couldn't find a simple explanation. May be I am a bit naive on MVC concepts, so if anyone can explain the difference then it would be gre...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
... does not currently support UTF-8
Update, 2017: This is true of all versions of Microsoft Excel for Mac before Office 2016. Newer versions (from Office 365) do now support UTF-8.
In order to output UTF-8 content that Excel both on Windows and OS X will be able to successfully read, you will need ...
When should I use cross apply over inner join?
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Can anyone give me a good example of when CROSS APPLY makes a difference in those cases where INNER JOIN will work as well?
See the article in my blog for detailed performance comparison:
INNER JOIN vs. CROSS APPLY
CROSS APPLY...
How to use z-index in svg elements?
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Specification
In the SVG specification version 1.1 the rendering order is based on the document order:
first element -> "painted" first
Reference to the SVG 1.1. Specification
3.3 Rendering Order
Elements in an SVG docum...
Check if my app has a new version on AppStore
...or my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically?
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PHP Redirect with POST data
I did some research on this topic, and there are some experts who have said that it is not possible , so I would like to ask for an alternative solution.
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Handler vs AsyncTask
I'm confused as to when one would choose AsyncTask over a Handler. Say I have some code I want to run every n seconds which will update the UI. Why would I choose one over the other?
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