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How to efficiently build a tree from a flat structure?
...
Tip: use console.log(JSON.stringify(root, null, 2)); to pretty print the output.
– aloisdg moving to codidact.com
Oct 17 '18 at 14:38
...
Import CSV file into SQL Server
...pace SqlBulkInsertExample
{
class Program
{
static void Main(string[] args)
{
DataTable prodSalesData = new DataTable("ProductSalesData");
// Create Column 1: SaleDate
DataColumn dateColumn = new DataColumn();
dateColumn.DataType...
PHP memory profiling
...g support since the 2.* version. Please search for the "removed functions" string here: http://www.xdebug.org/updates.php
Removed functions
Removed support for Memory profiling as that didn't work properly.
So I've tried another tool and it worked well for me.
https://github.com/arnaud-lb/php-memo...
Generate colors between red and green for a power meter?
... To directly convert to a hex color code, you might want to leverage String.format("#%06X", 0xFFFFFF & getTrafficlightColor(value));
– ngeek
May 11 '16 at 8:01
add a...
passport.js RESTful auth
... client-side once it is discovered. Passing the token as a part of the URL string will add this URL to the browser history and (if things are handled improperly) could lead to this URL being requested by the browser. Either makes the token visible. Anyone who then copied the URL could spoof this use...
How do I copy the contents of one stream to another?
...le.Open(Server.MapPath("TextFile.txt"), FileMode.Open);
Response.Write(string.Format("FileStream Content length: {0}", objFileStream.Length.ToString()));
MemoryStream objMemoryStream = new MemoryStream();
// Copy File Stream to Memory Stream using CopyTo method
objFileStream.CopyTo...
Grouping functions (tapply, by, aggregate) and the *apply family
... is best illustrated with a user-defined function to apply:
# Append ! to string, otherwise increment
myFun <- function(x){
if(is.character(x)){
return(paste(x,"!",sep=""))
}
else{
return(x + 1)
}
}
#A nested list structure
l <- list(a = list(a1 = "Boo", b1 = 2, c...
Python, compute list difference
... This is by far the best solution. Test case on lists with ~6000 strings each showed that this method was almost 100x faster than list comprehensions.
– perrygeo
Feb 1 '14 at 17:01
...
Spring Boot + JPA : Column name annotation ignored
...rovedNamingStrategy. The tableName method in that class is passed a source String value but it is unaware if it comes from a @Column.name attribute or if it has been implicitly generated from the field name.
The ImprovedNamingStrategy will convert CamelCase to SNAKE_CASE where as the EJB3NamingStra...
Where does this come from: -*- coding: utf-8 -*-
...cs manual, value can be any LISP expression, particularly, a double-quoted string
– hamstergene
Feb 2 '11 at 10:19
Tha...