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A proper wrapper for console.log with correct line number?
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This is an old question and All the answers provided are overly hackey, have MAJOR cross browser issues, and don't provide anything super useful. This solution works in every browser and reports all console data exactly as it should. No hacks required...
Why should eval be avoided in Bash, and what should I use instead?
...rintln. We could, of course, just redirect the output of println on each call, but for the sake of example, we're not going to do that. We'll need to use eval, since variables can't be used to redirect output.
function println
{
eval printf "$2\n" "${@:3}" $1
}
function error
{
println '...
What is the difference between #include and #include “filename”?
...e> the preprocessor searches in an implementation dependent manner, normally in search directories pre-designated by the compiler/IDE. This method is normally used to include standard library header files.
For #include "filename" the preprocessor searches first in the same directory as the file ...
Are delphi variables initialized with a value by default?
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As Giacomo pointed out in the comments below, this is all explained in the Delphi help files at ms-help://borland.bds4/bds4ref/html/Variables.htm. In Delphi 2009 I found the same info by searching the help for "variables" (funnily enough I tried lots of searches but I didn't th...
How to fix homebrew permissions?
I have uninstalled and installed Homebrew 3 times now because it seems to never allow me to install anything as it denies me permissions at the end of most installations.
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How to deploy an ASP.NET Application with zero downtime
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You need 2 servers and a load balancer. Here's in steps:
Turn all traffic on Server 2
Deploy on Server 1
Test Server 1
Turn all traffic on Server 1
Deploy on Server 2
Test Server 2
Turn traffic on both servers
Thing is, even in this case you will still have application restarts and lo...
What are some better ways to avoid the do-while(0); hack in C++?
...ate these decisions in a function and use returns instead of breaks. While all these checks correspond to the same level of abstraction as of the function, it is quite logical approach.
For example:
void foo(...)
{
if (!condition)
{
return;
}
...
if (!other condition)
{
...
File system that uses tags rather than folders?
...Database File System. I know of one experimental implementation for Linux called DBFS. Microsoft started developing Windows Future Storage (WinFS) - it was planned to ship with Vista but due to technical problems the project was delayed and as far as I know finally canceled. NTFS is also capable of ...
Proper stack and heap usage in C++?
...n programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap.
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Detecting 'stealth' web-crawlers
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A while back, I worked with a smallish hosting company to help them implement a solution to this. The system I developed examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It included wh...