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Simplest way to do a fire and forget method in c# 4.0
... exception handler continuation to the Task. So, the class below should be free of this risk:
using System;
using System.Threading.Tasks;
namespace MyNameSpace
{
public sealed class AsyncManager : IAsyncManager
{
private Action<Task> DefaultExeptionHandler = t =>
{...
How can I find the data structure that represents mine layout of Minesweeper in memory?
... is typically preferred to have one answer rather than post several. Feel free to edit your original answer (this one) and add on to it as you see fit.
– mmcdole
Jul 30 '09 at 20:34
...
Try-catch speeding up my code?
...ames dealt with in terms of registers and stack? Could setting one up have freed a register up for use somehow?
– Random832
Jan 19 '12 at 18:34
4
...
What are bitwise shift (bit-shift) operators and how do they work?
... powerful: one operand of any instruction can be left or right shifted for free. So scaling by a compile-time-constant that's known to be a power-of-2 can be even more efficient than a multiply.
OK, back in the modern days... something more useful now would be to use bitshifting to store two 8-b...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...%m-%%d.%%H%%M%%S"') do ren file.txt file.%%i.txt
date.exe is part of the free GNU tools which need no installation.
NOTE: Copying date.exe into any directory which is in the search path may cause other scripts to fail that use the Windows built-in date command.
...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...et nor the connection object.
But still we have to close the resultset to free some oracle memory. Still if you don't close the resultset that won't be counted for CURSORS.
Closing Statement object will automatically close resultset object too.
Cursor will be created for all the SELECT/INSERT/UPD...
What are the best practices for catching and re-throwing exceptions?
...omething to the caught exception, may it be some context, values, logging, freeing resources, whatever.
A way to add some information is to extend the Exception class, to have exceptions like NullParameterException, DatabaseException, etc. More over, this allow the developper to only catch some exc...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...y would recommend to use GotoBlas2 because it's easier to install and it's free.
If you want to code in C++/C also check out Eigen3 which is supposed to outperform MKL/GotoBlas2 in some cases and is also pretty easy to use.
...
Questions every good .NET developer should be able to answer? [closed]
...t the intimate details of the garbage collector and how it decides when to free memory. Sure, you could ask candidates "how does a garbage collector work", but asking about weak references gets a much better, more thoughtful reply.
.NET is a fairly abstract language, but star developers almost alw...
How to import multiple .csv files at once?
...ead(.))
The stringsAsFactors = FALSE argument keeps the dataframe factor free, (and as marbel points out, is the default setting for fread)
If the typecasting is being cheeky, you can force all the columns to be as characters with the col_types argument.
tbl <-
list.files(pattern = "*.csv...