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How to add Google Analytics Tracking ID to GitHub Pages

Could be a simple question but I am full of doubts right now about adding Google Analytics Tracking ID to GitHub page . ...
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How to determine if a record is just created or updated in after_save

The #new_record? function determines if a record has been saved. But it is always false in the after_save hook. Is there a way to determine whether the record is a newly created record or an old one from update? ...
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Laravel Eloquent: How to get only certain columns from joined tables

I have got 2 joined tables in Eloquent namely themes and users. 15 Answers 15 ...
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How to use NSJSONSerialization

I have a JSON string (from PHP's json_encode() that looks like this: 12 Answers 12 ...
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Rails params explained?

Could anyone explain params in Rails controller: where they come from, and what they are referencing? 5 Answers ...
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How do you do a limit query in JPQL or HQL?

In Hibernate 3, is there a way to do the equivalent of the following MySQL limit in HQL? 14 Answers ...
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How can I get Docker Linux container information from within the container itself?

I would like to make my docker containers aware of their configuration, the same way you can get information about EC2 instances through metadata. ...
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How to change the session timeout in PHP?

I would like to extend the session timeout in php 7 Answers 7 ...
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UPDATE multiple tables in MySQL using LEFT JOIN

I have two tables, and want to update fields in T1 for all rows in a LEFT JOIN. 5 Answers ...
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Read Excel File in Python

...ne approach: from xlrd import open_workbook class Arm(object): def __init__(self, id, dsp_name, dsp_code, hub_code, pin_code, pptl): self.id = id self.dsp_name = dsp_name self.dsp_code = dsp_code self.hub_code = hub_code self.pin_code = pin_code ...