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List comprehension vs map
...hat all values are evaluated/used).
It is important to realize that these tests assume a very simple function (the identity function); however this is fine because if the function were complicated, then performance overhead would be negligible compared to other factors in the program. (It may still...
Find the nth occurrence of substring in a string
...'s or @Mark Byers' answer should be accepted instead of @bobince's.
In my testing, the version of find_nth() above was the fastest pure Python solution I could come up with (very similar to @Mark Byers' version). Let's see how much better we can do with a C extension module. Here is _find_nthmodule...
Stop Mongoose from creating _id property for sub-document array items
... }]
});
This will prevent the creation of an _id field in your subdoc.
Tested in Mongoose v5.9.10
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How to write into a file in PHP?
...r server and immediately execute it, right? I assume this is so you could test your own codes but people should be warned of the risks of this particular implementation. (That being said, I like it and will us it myself)
– RufusVS
Jan 23 '18 at 16:47
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Numpy - add row to array
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As this question is been 7 years before, in the latest version which I am using is numpy version 1.13, and python3, I am doing the same thing with adding a row to a matrix, remember to put a double bracket to the second argument, otherwise, it will raise dimension error.
I...
How to change context root of a dynamic web project in Eclipse?
... In this case, we should see a folder named app. You should be good to go. Test your URL. For a domain such as *example.com" this would be:
http://www.example.com/app/
Vaadin toolkit programmers may need to rebuild their widget set if using visual add ons.
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How to avoid annoying error “declared and not used”
...this is for better code but would it be better if we can close a check why testing on our code and then open this check again after we want to finish the code and make it clean?
– A-letubby
Feb 13 '14 at 5:06
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...n a Nexus 7 and other current-generation tablets." I believe you; but I am testing your implementation with native ObjectAnimator on a Nexus 7 and it lags a bit. What would be the most probable causes ? I already have hardwareAccelerated:true in AndroidMAnifest. I really don't know what could be the...
Is there a command to refresh environment variables from the command prompt in Windows?
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Note: Chocolatey has moved repos and the latest version of this script can be found here (with some bug fixes): github.com/chocolatey/choco/blob/master/src/…
– Michael Burr
Nov 11 '17 at 2:03
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How to write logs in text file when using java.util.logging.Logger
... logger with handler and formatter
fh = new FileHandler("C:/temp/test/MyLogFile.log");
logger.addHandler(fh);
SimpleFormatter formatter = new SimpleFormatter();
fh.setFormatter(formatter);
// the following statement is used to log any messages
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