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How do I unset an element in an array in javascript?
...ad of for (key in myArray) - otherwise key is a global variable and if you call a function inside that loop that has the same problem, you will get unexpected results.
– ThiefMaster
Dec 26 '11 at 14:16
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What is the difference between .*? and .* regular expressions?
...e ? as a repetition quantifier changes this behavior into non-greedy, also called reluctant (in e.g. Java) (and sometimes "lazy"). In contrast, this repetition will first try to match as few reps as possible, and when this doesn't work and they have to backtrack, they start matching one more rept a ...
How can I use Bash syntax in Makefile targets?
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You can call bash directly, use the -c flag:
bash -c "diff <(sort file1) <(sort file2) > $@"
Of course, you may not be able to redirect to the variable $@, but when I tried to do this, I got -bash: $@: ambiguous redirect ...
Java 8 Stream and operation on arrays
...mentation, like sum() or whatever. You can map or filter like in Python by calling the relevant stream methods with a Lambda function:
Arrays.stream(ns).map(n -> n * 2);
Arrays.stream(ns).filter(n -> n % 4 == 0);
Once you're done modifying your stream, you then call toArray() to convert it ...
Why does mongoose always add an s to the end of my collection name
For example, this code results in a collection called "datas" being created
8 Answers
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Find the max of two or more columns with pandas
...rface level, you might be interested to know that it is a little faster to call numpy functions on the underlying .to_numpy() (or .values for <0.24) array instead of directly calling the (cythonized) functions defined on the DataFrame/Series objects.
For example, you can use ndarray.max() along...
Usage of sys.stdout.flush() method
...f the data "written" to standard out before it writes it to the terminal). Calling sys.stdout.flush() forces it to "flush" the buffer, meaning that it will write everything in the buffer to the terminal, even if normally it would wait before doing so.
Here's some good information about (un)buffer...
Loop through properties in JavaScript object with Lodash
...be more useful. Let's say you wanted to add something to this object dynamically as you've mentioned:
let dynamicKey = 'someCrazyProperty';
let dynamicValue = 'someCrazyValue';
_.set( myObject.options, dynamicKey, dynamicValue );
That's how I'd do it, based on the original description.
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How should I edit an Entity Framework connection string?
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I had to explicitly call save on the app.config file for the designer to recognise the connection string had been deleted.
– Rossco
May 9 '14 at 2:37
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How do I Convert DateTime.now to UTC in Ruby?
... a -04:00 offset (Eastern Time). I'm in Pacific Time with a -07:00 offset. Calling localtime as described previously properly converts the DateTime object into local time. Calling utc on the object properly converts it to a UTC offset.
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