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Why are mutable structs “evil”?
...rom property setters) which mutate "this" are somewhat evil, only because .net doesn't provide a means of distinguishing them from methods which do not. Struct methods that do not mutate "this" should be invokable even on read-only structs without any need for defensive copying. Methods which do m...
foreach vs someList.ForEach(){}
... uses a for loop to iterate the collection, this is valid (edit: prior to .net 4.5 - the implementation changed and they both throw):
someList.ForEach(x => { if(x.RemoveMe) someList.Remove(x); });
whereas foreach uses an enumerator, so this is not valid:
foreach(var item in someList)
if(it...
Get the index of the nth occurrence of a string?
... in Apache Commons? If so, you can write your own third party library for .NET just as easily as you can for Java... so it's not like that's something the Java standard library has that .NET doesn't. And of course in C# you can add it as an extension method on string :)
– Jon S...
How can I debug my JavaScript code? [closed]
...ls. I generally find the stack traces in Chrome better than Firebug.
Internet Explorer
If you're developing in .NET and using Visual Studio using the web development environment you can debug JavaScript code directly by placing breakpoints, etc. Your JavaScript code looks exactly the same as if yo...
How to check if a process id (PID) exists
... purposes more or less equivalent to checking if it exists. See linux.die.net/man/2/kill and linux.die.net/man/7/signal
– Christoffer Hammarström
Jun 15 '10 at 10:58
...
What is the http-header “X-XSS-Protection”?
...-xss-protection/
http://p42.us/ie8xss/Abusing_IE8s_XSS_Filters.pdf
https://www.slideshare.net/masatokinugawa/xxn-en
https://bugs.chromium.org/p/chromium/issues/detail?id=396544
https://bugs.chromium.org/p/chromium/issues/detail?id=498982
...
Why do we always prefer using parameters in SQL statements?
...ployee would then be deleted.
In your case, it looks like you're using .NET. Using parameters is as easy as:
C#
string sql = "SELECT empSalary from employee where salary = @salary";
using (SqlConnection connection = new SqlConnection(/* connection info */))
using (SqlCommand command = new SqlC...
What's the easiest way to install a missing Perl module?
...ch of the same functionality as CPAN.pm.
Example:
# ppm
ppm> search net-smtp
ppm> install Net-SMTP-Multipart
see How do I install Perl modules? in the CPAN FAQ
Many distributions ship a lot of perl modules as packages.
Debian/Ubuntu: apt-cache search 'perl$'
Arch Linux: pacman -Ss '^p...
How to stop a PowerShell script on the first error?
... set -e in bash). I'm using both Powershell commands ( New-Object System.Net.WebClient ) and programs ( .\setup.exe ).
8 ...
Why is a combiner needed for reduce method that converts type in java 8
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...