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How do I revert to a previous package in Anaconda?
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For the case that you wish to revert a recently installed package that made several changes to dependencies (such as tensorflow), you can "roll back" to an earlier installation state via the following method:
conda list --revisions
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Add 2 hours to current time in MySQL?
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The DATE_ADD() function will do the trick. (You can also use the ADDTIME() function if you're running at least v4.1.1.)
For your query, this would be:
SELECT *
FROM courses
WHERE DATE_ADD(now(), INTERVAL 2 HOUR) > start_time
Or,
SELECT *
FROM courses
WHERE ADDT...
WPF Databinding: How do I access the “parent” data context?
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Sadly didn't work for me because the parent is in a different file.
– Thomas
Dec 20 '15 at 9:38
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Razor ViewEngine: How do I escape the “@” symbol?
...ter @Anywhere API, and I haven't been able to figure out how to actually escape the "@" symbol in a Razor view.
4 Answers
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open-ended function arguments with TypeScript
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Yes. It complains about the call but you can declare sum as accepting multiple parameters of any type by changing the signature to sum(...) instead an it will quiet the error. Please feel free to submit this as a bug on CodePlex.
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How can I strip the whitespace from Pandas DataFrame headers?
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You can give functions to the rename method. The str.strip() method should do what you want.
In [5]: df
Out[5]:
Year Month Value
0 1 2 3
[1 rows x 3 columns]
In [6]: df.rename(columns=lambda x: x.strip())...
Constructor initialization-list evaluation order
... I had assumed that they were constructed in the order listed, but in one case it appears they were being constructed in reverse resulting in an abort. When I reversed the arguments the program stopped aborting. This is an example of the syntax I'm using. The thing is, a_ needs to be initialized ...
Secret copy to clipboard JavaScript function in Chrome and Firefox?
...e are predefined Firebug console functions - at least that seems to be the case for Firebug. If you try calling window.copy for instance, you'll get a warning about function not defined, so it's definitely not a browser function, and cannot be used in normal JavaScript files. The following functions...
How do I package a python application to make it pip-installable?
I'm writing a django application in my spare time for a footy-tipping competition we're running at work. I figured I'd use this time wisely, and get up to speed on virtualenv, pip, packaging, django 1.3, and how to write an easily redistributable application. So far, so good.
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Are tar.gz and tgz the same thing?
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I think in the old package repo days, .tgz was used because files on Dos floppies could only have three letter extensions. When this limitation was removed .tar.gz was used to be more verbose by showing both the archive type (tar) and zipper (gzip).
They are identical.
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