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Rails detect if request was AJAX
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249
You can check for a header[X-Requested-With] to see if it is an AJAX request. Here is a good a...
Adding git branch on the Bash command prompt
...ple (Mac OS X 10.15):
$ find / -name 'git-prompt.sh' -type f -print -quit 2>/dev/null
/Library/Developer/CommandLineTools/usr/share/git-core/git-prompt.sh
Option 2: Pull the script from GitHub.
Next, add the following line to your .bashrc/.zshrc:
source ~/.git-prompt.sh
Finally, change you...
sed edit file in place
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edited Jun 10 '18 at 12:23
Iulian Onofrei
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an...
Validate uniqueness of multiple columns
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321
You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :s...
Git pull after forced update
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528
To receive the new commits
git fetch
Reset
You can reset the commit for a local branch usin...
How to enable cURL in PHP / XAMPP
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edited Apr 6 '13 at 15:27
Francisco R
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answered...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
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PostgreSQL 9.0 or later:
Recent versions of Postgres (since late 2010) have the string_agg(expression, delimiter) function which will do exactly what the question asked for, even letting you specify the delimiter string:
SELECT company_id, string_agg(employee, ', ')
FROM mytable
GROUP BY ...
Server.UrlEncode vs. HttpUtility.UrlEncode
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answered Mar 2 '09 at 15:03
Mehrdad AfshariMehrdad Afshari
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Insert current date in datetime format mySQL
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222
If you're looking to store the current time just use MYSQL's functions.
mysql_query("INSERT I...
Troubleshooting “The use statement with non-compound name … has no effect”
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answered Feb 16 '12 at 18:42
Lightness Races in OrbitLightness Races in Orbit
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