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JavaScript: replace last occurrence of text in a string
...creative this morning:
'one two, one three, one four, one'
.split(' ') // array: ["one", "two,", "one", "three,", "one", "four,", "one"]
.reverse() // array: ["one", "four,", "one", "three,", "one", "two,", "one"]
.join(' ') // string: "one four, one three, one two, one"
.replace(/one/, 'finish') /...
How to change the session timeout in PHP?
... }
}
$handler = new FileSessionHandler();
session_set_save_handler(
array($handler, 'open'),
array($handler, 'close'),
array($handler, 'read'),
array($handler, 'write'),
array($handler, 'destroy'),
array($handler, 'gc')
);
// the following prevents unexpected effects ...
What is stability in sorting algorithms and why is it important?
...keys appear in the same order in sorted output as they appear in the input array to be sorted. Some sorting algorithms are stable by nature like Insertion sort, Merge Sort, Bubble Sort, etc. And some sorting algorithms are not, like Heap Sort, Quick Sort, etc.
Background: a "stable" sorting algori...
Listening for variable changes in JavaScript
...ee an example here: https://jsfiddle.net/5o1wf1bn/1/
You can also user an array of listeners instead of a single listener slot, but I wanted to give you the simplest possible example.
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ReactJS render string with non-breaking spaces
...props.value.
You can do this:
var parts = this.props.value.split(" "), array = [];
for (var i=0; i<parts.length; i++){
// add the string
array.push(<span key={i * 2}>{parts[i]}</span>);
// add the nbsp
array.push(<span key={i * 2 + 1}>&nbsp;</span>);
}
// ...
Method Overloading for null argument
...find the most specific one.
Since Object is the super-type of char[], the array version is more specific than the Object-version. So if only those two methods exist, the char[] version will be chosen.
When both the char[] and Integer versions are available, then both of them are more specific than...
Reflection: How to Invoke Method with parameters
...hodInfo" to "classInstance", just like in the call with the null parameter array.
result = methodInfo.Invoke(classInstance, parametersArray);
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Difference between JSON.stringify and JSON.parse
...ived as JSON.
JSON.stringify() is to create a JSON string out of an object/array.
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How to increment a pointer address and pointer's value?
...ts contents, that is you're incrementing it as if you were iterating in an array.
So, to sum it all up:
ptr++; // Pointer moves to the next int position (as if it was an array)
++ptr; // Pointer moves to the next int position (as if it was an array)
++*ptr; // The value of ptr is increment...
Standard deviation of a list
...
I would put A_Rank et al into a 2D NumPy array, and then use numpy.mean() and numpy.std() to compute the means and the standard deviations:
In [17]: import numpy
In [18]: arr = numpy.array([A_rank, B_rank, C_rank])
In [20]: numpy.mean(arr, axis=0)
Out[20]:
array...