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When is JavaScript's eval() not evil?
...s look at the dangers in the use of eval(). There are probably many small hidden dangers just like everything else, but the two big risks - the reason why eval() is considered evil - are performance and code injection.
Performance - eval() runs the interpreter/compiler. If your code is compiled, t...
What text editor is available in Heroku bash shell? [closed]
...no. Also, even if you could (you can with a hack), the changes you make inside the dyno would not get persisted inside your slug. i.e. any changes you made would be lost when your app is restarted (every 24 hours).
– Naaman Newbold
Sep 3 '14 at 2:26
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TCP: can two different sockets share a port?
...on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the combination of client-side and server-side IP/Port pairs. Multiple connections on the same server can share the same server-side IP/Port pair as...
git cherry-pick says “…38c74d is a merge but no -m option was given”
...-pick a merge commit, it collapses all the changes made in the parent you didn't specify to -m into that one commit. You lose all their history, and glom together all their diffs. Your call.
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Hg: How to do a rebase like git's rebase
...ave an indelible trace, and rebasing and other history editing techniques hide that.
Now go pick VonC's answer while I put my soapbox away. :)
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
... dialog box (press Win+R), then type: services.msc
Then search for World Wide Web Publishing Service (WWW-Publishing Service) and Web Deployment Agent Service and stop them. You should also disable them.
Start Apache again with XAMPP :)
Link Ref: https://www.sitepoint.com/unblock-port-80-on-windo...
How to identify numpy types in python?
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This solution seems very unpythonic, relying on hidden attributes. But maybe that is just a matter of taste?
– j08lue
Mar 5 '17 at 15:18
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Undo a merge by pull request?
...st with the ability to unrevert later.
To do so, you will need to take the ID of the merge commit.
In the above example the merge commit is the top one where it says "Merged pull request #123...".
Do this to revert the both changes ("Add bar" and "Add foo") and you will end up with in one commit r...
Should accessing SharedPreferences be done off the UI Thread?
...ugh...
once loaded, SharedPreferences are singletons and cached process-wide. so you want to get it loaded as early as possible so you have it in memory before you need it. (assuming it's small, as it should be if you're using SharedPreferences, a simple XML file...) You don't want to fault it ...
Named colors in matplotlib
...in a comment above to get a color list sorted in columns. The order is not identical to how I would sort by eye, but I think it gives a good overview.
I updated the image and code to reflect that 'rebeccapurple' has been added and the three sage colors have been moved under the 'xkcd:' prefix since...