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Perl build, unit testing, code coverage: A complete working example
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what is faster: in_array or isset? [closed]
...e, you can check out the compiled version of your script:
echo isset($arr[123])
compiled vars: !0 = $arr
line # * op fetch ext return operands
-----------------------------------------------------------------------------
1 0 > ZEND_ISSET_ISEMPTY_...
android fragment onRestoreInstanceState
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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...
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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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.
...
How to trigger a phone call when clicking a link in a web page on mobile phone
...ry code, and hyphens can be included simply for human eyes.
MDN Web Docs
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#Creating_a_phone_link
The HTML <a> element (or anchor element), along with its href attribute, creates a hyperlink to other web pages, files, locations wit...
Django - iterate number in for loop of a template
... For Loop, Inner loop, If Else.
Django HTML Documentaion for more methods: https://docs.djangoproject.com/en/2.2/ref/templates/builtins/
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Get parts of a NSURL in objective-c
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