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Remove not alphanumeric characters from string
... words.
function alpha_numeric_filter (string) {
const alpha_numeric = Array.from('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' + ' ')
const json_string = JSON.stringify(string)
let filterd_string = ''
for (let i = 0; i < json_string.length; i++) {
let char = ...
How to clear jQuery validation error messages?
...this case, for some reason, there are no elements in the "currentElements" array within the validator, so executing .resetForm() does absolutely nothing.
There are bugs posted on this.
Until such time as they fix them, you need to use Nick Craver's answer, NOT Parrots' accepted answer.
...
How to sort my paws?
...per-dog) each containing several different experiment runs stored as ascii arrays. Rather than try to copy-paste stand-alone code examples into this question, here's a bitbucket mercurial repository with full, stand-alone code. You can clone it with
hg clone https://joferkington@bitbucket.org/jofe...
Sorted collection in Java
...performance, by using a heap data structure, whereas inserting in a sorted ArrayList will be O(n) (i.e., using binary search and move).
However, unlike a List, PriorityQueue does not support indexed access (get(5)), the only way to access items in a heap is to take them out, one at a time (thus the...
Reactjs convert html string to jsx
...t;{'First ' + String.fromCharCode(183) + ' Second'}</div>
Or a mixed array with strings and JSX elements.
<div>{['First ', <span>&middot;</span>, ' Second']}</div>
Last Resort - Insert raw HTML using dangerouslySetInnerHTML.
<div dangerouslySetInnerHTML={{__htm...
How can I check for NaN values?
... you're using NumPy, numpy.isnan is a superior choice, as it handles NumPy arrays. If you're not using NumPy, there's no benefit to taking a NumPy dependency and spending the time to load NumPy just for a NaN check (but if you're writing the kind of code that does NaN checks, it's likely you should ...
How do I print out the contents of an object in Rails for easy debugging?
... Can you be more specific? Are you saying, what if a variable is an array or hash? Their #to_s would take care of that.
– Chris Ledet
Jan 28 '11 at 15:42
...
PHP session lost after redirect
...elete or empty the session
Make sure the key in your $_SESSION superglobal array is not overwritten anywhere
Make sure you redirect to the same domain. So redirecting from a www.yourdomain.com to yourdomain.com doesn't carry the session forward.
Make sure your file extension is .php (it happens!)
...
How to compare two revisions in Bitbucket?
...rt with "v" and be newer, tag2 is older. For example, bitbucket.org/codsen/array-includes-with-glob/branches/compare/… — other way around won't work and without "v" it won't work — both cases will lead to 404.
– revelt
Jun 7 '18 at 15:12
...
PHP - concatenate or directly insert variables in string
...sing situations when you want to embed object properties, multidimentional arrays etc.
That is, generally when reading embedded vars, you cannot be instantly 100% sure of the final behavior of what you are reading.
You frequently need add crutches such as {} and \, which IMO adds confusion and makes...