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How do I automatically update a timestamp in PostgreSQL

I want the code to be able to automatically update the time stamp when a new row is inserted as I can do in MySQL using CURRENT_TIMESTAMP. ...
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How to do error logging in CodeIgniter (PHP)

... wouldn't be publicly accessible- but you'll never know. Make sure to have all of this precautions in place if you change the default application/logs directory. – Vincent Edward Gedaria Binua Jan 29 '15 at 2:56 ...
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How do I download a tarball from GitHub using cURL?

I am trying to download a tarball from GitHub using cURL , but it does not seem to be redirecting: 5 Answers ...
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How to count objects in PowerShell?

... @Damien OK. I made the edit . In SO people generally come from the first answer to the last. They wont suddenly jump into the third answer and get confused. So that I made it as a continuation of first two answers. That answer makes more sense then this edited one. ...
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Postgresql SELECT if string contains

... You should use 'tag_name' outside of quotes; then its interpreted as a field of the record. Concatenate using '||' with the literal percent signs: SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%'; ...
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Reactjs convert html string to jsx

...se the dangerouslySetInnerHTML property: <td dangerouslySetInnerHTML={{__html: this.state.actions}} /> React forces this intentionally-cumbersome syntax so that you don't accidentally render text as HTML and introduce XSS bugs. ...
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Right way to reverse pandas.DataFrame?

...ata.Odd[idx]) You are getting an error because reversed first calls data.__len__() which returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw an exceptio...
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Recommended way to save uploaded files in a servlet application

...e server's work folder get synced with last updates (this is in IDE terms called "publishing"). This is the main cause of the problem you're seeing. In real world code there are circumstances where storing uploaded files in the webapp's deploy folder will not work at all. Some servers do (either by...
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Convert.ChangeType() fails on Nullable Types

...a series of blog posts including this at http://www.endswithsaurus.com/2010_07_01_archive.html (Scroll down to the Addendum, @JohnMacintyre actually spotted the bug in my original code which led me down the same path you're on now). I have a couple of small modifications since that post that includ...
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How to set environment variables in Python?

I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set. ...