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Single Line Nested For Loops
...e any container, lists, sets, generators, etc.
What is the order in which i and j are assigned to elements in object?
They are assigned in exactly the same order as they are generated from each list, as if they were in a nested for loop (for your first comprehension you'd get 1 element for i, ...
How to match all occurrences of a regex
Is there a quick way to find every match of a regular expression in Ruby? I've looked through the Regex object in the Ruby STL and searched on Google to no avail.
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What's the fastest way to loop through an array in JavaScript?
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After performing this test with most modern browsers:
https://jsben.ch/wY5fo
Currently, the fastest form of loop (and in my opinion the most syntactically obvious).
A standard for-loop with length caching
var i = 0, len = myArray.length;
while (i < len) {
// your code
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What are JavaScript's builtin strings?
... just for fun in order to send it to my wife on February 14 :) Having only Chrome installed on the laptop I had no options to check how it works in Firefox and IE. Moreover, I haven't really expected that toString() representation of build-in methods might look differently in other browsers.
Now, mo...
Why is there no SortedList in Java?
... sort method. Java also provides some implementations for the Comparator such as the Collator which is useful for locale sensitive sorting strings. Here is one example:
Collator usCollator = Collator.getInstance(Locale.US);
usCollator.setStrength(Collator.PRIMARY); // ignores casing
Collections.so...
UnicodeDecodeError when redirecting to file
...o computers: one can draw them on a chalk board, etc., like for instance بايثون, 中蟒 and ????. "Characters" for machines also include "drawing instructions" like for example spaces, carriage return, instructions to set the writing direction (for Arabic, etc.), accents, etc. A very large ch...
How to validate phone numbers using regex
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Better option... just strip all non-digit characters on input (except 'x' and leading '+' signs), taking care because of the British tendency to write numbers in the non-standard form +44 (0) ... when asked to use the international prefix (in that specific case, you ...
Build a Basic Python Iterator
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Iterator objects in python conform to the iterator protocol, which basically means they provide two methods: __iter__() and __next__().
The __iter__ returns the iterator object and is implicitly called
at the start of loops.
The __next__() method returns the next value and is implic...
Detecting a mobile browser
I'm looking for a function which return boolean value if user has mobile browser or not.
36 Answers
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Schema for a multilanguage database
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What do you think about having a related translation table for each translatable table?
CREATE TABLE T_PRODUCT (pr_id int, PRICE NUMBER(18, 2))
CREATE TABLE T_PRODUCT_tr (pr_id INT FK, languagecode varchar, pr_name text, pr_descr text)
This way if you have multiple translatable column it...