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How to drop a PostgreSQL database if there are active connections to it?
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OK. Now I understand, that was a typo. Thanks!
– jb.
Dec 11 '13 at 9:53
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Scroll Automatically to the Bottom of the Page
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Works in newer versions of Chrome now, but some of the extra options (like smooth scrolling) don't seem to be implemented yet.
– Matt Zukowski
Feb 17 '16 at 16:42
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Get started with Latex on Linux [closed]
...Live is the newer of the two, and is replacing tetex on most distributions now.
If you're using Debian or Ubuntu, something like:
<code>apt-get install texlive</code>
..will get it installed.
RedHat or CentOS need:
<code>yum install tetex</code>
Note : This needs root perm...
Beginner's guide to ElasticSearch [closed]
There hasn't been any books about ElasticSearch (that I know of), and http://www.elasticsearch.org/guide/ seems to contain only references.
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Numpy: Get random set of rows from 2D array
...mask = numpy.random.choice([False, True], len(data_arr), p=[0.75, 0.25])
Now you can call data_arr[mask] and return ~25% of the rows, randomly sampled.
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Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
...code/DerivedData/-gbrvhlvwmpiobxdujegtghggrffp - or something like that)
Now start Xcode once again, connect device and run the project. It should work fine.
from DhilipSiva blog
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HAProxy redirecting http to https (ssl)
...on that "the syntax of both directives is the same, that said, redirect is now considered as legacy and configurations should move to the http-request redirect form". I infer, without being completely sure, that the same explanation applies to the newer releases of the open source version of HAProxy...
Pandas groupby: How to get a union of strings
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It seems these operations are now vectorised removing the need for apply and lambdas. I came here wondering why pandas actually concats and not return an error on summing strings.
– NelsonGon
Sep 10 '19 at 7:42
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Injecting $scope into an angular service function()
.../services that need to have access to that info (if there aren't any right now, don't be surprised if they start popping up soon).
Every time a new student is added (using the service's save() method), the service's own array of students will be updated and every other object sharing that array will...
Get class name of object as string in Swift
...omDebugStringConvertible. So while it may be displaying the desired value now, will it continue to do so in the future?
– Tod Cunningham
Apr 13 '16 at 22:16
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