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Is there a way to access the “previous row” value in a SELECT statement?
I need to calculate the difference of a column between two lines of a table. Is there any way I can do this directly in SQL? I'm using Microsoft SQL Server 2008.
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How do you serialize a model instance in Django?
...Model QuerySet but how do you just serialize to JSON the fields of a Model Instance?
18 Answers
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PHP Session Security
What are some guidelines for maintaining responsible session security with PHP? There's information all over the web and it's about time it all landed in one place!
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How to hide a in a menu with CSS?
...realized that Chrome, it seems, will not allow me to hide <option> in a <select> . Firefox will.
13 Answers
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Read specific columns from a csv file with csv module?
I'm trying to parse through a csv file and extract the data from only specific columns.
11 Answers
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Why is a div with “display: table-cell;” not affected by margin?
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Cause
From the MDN documentation:
[The margin property] applies to all elements except elements with
table display types other than table-caption, table and inline-table
In other words, the margin property is not applicable to display:table-cell elements.
Solutio...
Filter element based on .data() key/value
Say I have 4 div elements with class .navlink , which, when clicked, use .data() to set a key called 'selected' , to a value of true :
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Is is possible to check if an object is already attached to a data context in Entity Framework?
I am getting the following error when trying to attach an object that is already attached to a given context via context.AttachTo(...) :
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How can I add a PHP page to WordPress?
...o create a custom page for my WordPress blog that will execute my PHP code in it, whilst remaining a part of the overall site CSS/theme/design.
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Selecting all text in HTML text input when clicked
I have the following code to display a textbox in a HTML webpage.
22 Answers
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