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Understanding MongoDB BSON Document size limit
...s file metadata.
You can use this method to store images, files, videos, etc in the database much as you might in a SQL database. I have used this to even store multi gigabyte video files.
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NoSql Crash Course/Tutorial [closed]
...ave a solid understanding of why you would use it (from here, Wikipedia, etc). This could be due to the lack of concrete and uniform definition of what it is (more of a paradigm than concrete implementation), but I'm struggling to wrap my head around how I would go about designing a system that w...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...cc on x86_64. Anyone is welcome to add other architectures like MSVC, ARM, etc.)
Let's have our example program:
// foo.c
typedef struct
{
double x, y;
} point;
void give_two_doubles(double * x, double * y)
{
*x = 1.0;
*y = 2.0;
}
point give_point()
{
point a = {1.0, 2.0};
r...
Why are dashes preferred for CSS selectors / HTML attributes?
...ff you do with JavaScript these days, you'd want to use CSS Selectors for fetching elements from the DOM anyway, which makes the whole dot notation rather useless. Which one would you prefer?
var firstName = $('#first-name');
var firstName = document.querySelector('#first-name');
var firstName = do...
How to reset postgres' primary key sequence when it falls out of sync?
...r due to unplanned database shutdowns, transaction rollbacks after errors, etc.
– Craig Ringer
Sep 20 '17 at 2:04
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Should I prefer pointers or references in member data?
... require
Whenever a reference is used it looks like value type (. operator etc), but behaves like a pointer (can dangle) - so e.g. Google Style Guide discourages it
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What are the differences among grep, awk & sed? [duplicate]
...e second column of file.txt
Basic awk usage:
Compute sum/average/max/min/etc. what ever you may need.
$ cat file.txt
A 10
B 20
C 60
$ awk 'BEGIN {sum=0; count=0; OFS="\t"} {sum+=$2; count++} END {print "Average:", sum/count}' file.txt
Average: 30
I recommend that you read this book: Sed &...
Do I need dependency injection in NodeJS, or how to deal with …?
...ter name)
var db = require('whichever_db_vendor_i_use');
module.exports.fetchConnection() = function() {
//logic to test connection
//do I want to connection pool?
//do I need only one connection throughout the lifecyle of my application?
return db.createConnection(port, host, d...
How to compare 2 files fast using .NET?
...equal and avoid further byte-2-byte comparison ? As far as I know MD5/SHA1 etc collisions are really unlikely...
– digEmAll
Nov 25 '14 at 10:37
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Select all text inside EditText when it gets focus
... @Galip OnFocusChangeListener listener = new OnFocusChangeListener... etc... then editText1.setOnFocusChangeListener(listener) editText2.setOnFocusChangeListener(listener) and so on...
– SparK
Oct 7 '13 at 20:30
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