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Round double in two decimal places in C#?
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This works:
inputValue = Math.Round(inputValue, 2);
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Bundle ID Suffix? What is it?
I'm new to the iPhone submission process. Apple asks for the Bundle ID Suffix. What is this? Not sure what to put here and what the significance of it is.
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UnicodeDecodeError, invalid continuation byte
Why is the below item failing? Why does it succeed with "latin-1" codec?
10 Answers
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How to Get the Current URL Inside @if Statement (Blade) in Laravel 4?
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You can use: Request::url() to obtain the current URL, here is an example:
@if(Request::url() === 'your url here')
// code
@endif
Laravel offers a method to find out, whether the URL matches a pattern or not
if (Request::is('admin/*'))
{
// code
}
Check the related docum...
Counting null and non-null values in a single query
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This works for Oracle and SQL Server (you might be able to get it to work on another RDBMS):
select sum(case when a is null then 1 else 0 end) count_nulls
, count(a) count_not_nulls
from us;
Or:
select count(*) - co...
How do RVM and rbenv actually work?
...lanation: rbenv works by hooking into your environment's PATH. The concept is simple, but the devil is in the details; full scoop below.
First, rbenv creates shims for all the commands (ruby, irb, rake, gem and so on) across all your installed versions of Ruby. This process is called rehashing. Eve...
How to use OR condition in a JavaScript IF statement?
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Simply use the logical "OR" operator, that is ||.
if (A || B)
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Improving bulk insert performance in Entity framework [duplicate]
...ert 20000 records in a table by entity framework and it takes about 2 min. Is there any way other than using SP to improve its performance. This is my code:
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Compiling with g++ using multiple cores
Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
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What is a regular expression for a MAC Address?
In this format:
21 Answers
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