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What does -D_XOPEN_SOURCE do/mean?
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132
When you do
#define _XOPEN_SOURCE <some number>
or
cc -D_XOPEN_SOURCE=<some numbe...
HTML 5 Favicon - Support?
...urse) is Internet Explorer. IE does not support PNG favicons until version 11. So our first line is a conditional comment for favicons in IE 9 and below:
<!--[if IE]><link rel="shortcut icon" href="path/to/favicon.ico"><![endif]-->
To cover the uses of the icon create it at 32x...
Authorize a non-admin developer in Xcode / Mac OS
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10 Answers
10
Active
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How to get anchor text/href on click using jQuery?
...want to get the info from.
<a class="info_link" href="~/Resumes/Resumes1271354404687.docx">
~/Resumes/Resumes1271354404687.docx
</a>
For href:
$(function(){
$('.info_link').click(function(){
alert($(this).attr('href'));
// or alert($(this).hash();
});
});
For Text:
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Which is the preferred way to concatenate a string in Python?
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12 Answers
12
Active
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
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169
The working command I'm using to execute custom SQL statements is:
results = ActiveRecord::Ba...
Elastic search, multiple indexes vs one index and types for different data sets?
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190
There are different implications to both approaches.
Assuming you are using Elasticsearch's ...
How do I use cascade delete with SQL Server?
I have 2 tables: T1 and T2, they are existing tables with data. We have a one to many relationship between T1 and T2. How do I alter the table definitions to perform cascading delete in SQL Server when a record from T1 is deleted, all associated records in T2 also deleted.
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Check if an array contains any element of another array in JavaScript
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Vanilla JS
ES2016:
const found = arr1.some(r=> arr2.includes(r))
ES6:
const found = arr1.some(r=> arr2.indexOf(r) >= 0)
How it works
some(..) checks each element of the array against a test function and returns true if any e...