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PHP convert XML to JSON
...ult in key pointing to array of elements: <list><item><a>123</a><a>456</a></item><item><a>123</a></item></list> -> {"item":[{"a":["123","456"]},{"a":"123"}]}. A solution at php.net by ratfactor solves that issue by always sto...
What is Normalisation (or Normalization)?
...ase that usually contains family members
id, name, address
214 Mr. Chris 123 Main St.
317 Mrs. Chris 123 Main St.
could be normalized as
id name familyID
214 Mr. Chris 27
317 Mrs. Chris 27
and a family table
ID, address
27 123 Main St.
Near-Complete normalization (BCNF) is usually not used...
Check to see if a string is serialized?
....org/reference/functions/is_serialized
– Cédric Françoys
Feb 22 '19 at 8:57
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What is “export default” in javascript?
...ello() {
console.log("Modul: Saying hello!");
}
export let variable = 123;
modul2.js
export function hello2() {
console.log("Module2: Saying hello for the second time!");
}
export let variable2 = 456;
modul3.js
export default function hello3() {
console.log("Module3: Saying hello...
How to store a dataframe using Pandas
...
Pickle works good!
import pandas as pd
df.to_pickle('123.pkl') #to save the dataframe, df to 123.pkl
df1 = pd.read_pickle('123.pkl') #to load 123.pkl back to the dataframe df
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Getting parts of a URL (Regex)
...ex:
var a = document.createElement('a');
a.href = 'http://www.example.com:123/foo/bar.html?fox=trot#foo';
['href','protocol','host','hostname','port','pathname','search','hash'].forEach(function(k) {
console.log(k+':', a[k]);
});
/*//Output:
href: http://www.example.com:123/foo/bar.html?fox=t...
How can I check if a string represents an int, without using try/except?
...xcept ValueError:
return False
>>> print RepresentsInt("+123")
True
>>> print RepresentsInt("10.0")
False
It's going to be WAY more code to exactly cover all the strings that Python considers integers. I say just be pythonic on this one.
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Regular Expression for alphanumeric and underscores
...-Za-z0-9_]*$
Edit:
If diacritics need to be included (such as cedilla - ç) then you would need to use the word character which does the same as the above, but includes the diacritic characters:
^\w+$
Or
^\w*$
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How do you get a string from a MemoryStream?
If I am given a MemoryStream that I know has been populated with a String , how do I get a String back out?
11 Answers...
Is there a goto statement in Java?
I'm confused about this. Most of us have been told that there isn't any goto statement in Java.
23 Answers
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