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typecast string to integer - Postgres
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129
Wild guess: If your value is an empty string, you can use NULLIF to replace it for a NULL:
SEL...
How to join int[] to a character separated string in .NET?
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162
var ints = new int[] {1, 2, 3, 4, 5};
var result = string.Join(",", ints.Select(x => x.ToStri...
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
6,77988 gold badges5252 silver badges9393 bronze badges
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...