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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...conds to see the prompt:
http://versusio.com/en/samsung-galaxy-nexus-32gb-vs-apple-iphone-4s-64gb
The implementation isn't hard but you have to take care, that you don't display the prompt when the user has already scrolled.
You need jQuery + Underscore and
$(window).scroll
to check if the user...
Why no ICloneable?
...
@AndreyShchekin: What's unclear about deep vs shallow cloning? If List<T> had a clone method, I would expect it to yield a List<T> whose items have the same identities as those in the original list, but I would expect that any internal data structures wou...
Is there a performance impact when calling ToList()?
...ying chunks of memory is quite a fast operation to perform.
Handy tip, As vs To
You'll notice in LINQ there are several methods that start with As (such as AsEnumerable()) and To (such as ToList()). The methods that start with To require a conversion like above (ie. may impact performance), and th...
What is the difference between C# and .NET?
...age and .NET can evolve separately though there is connection via the CTS. VS2012 e.g. not support C# 6 compiler but works with .NET 4.6
– Frank Q.
Mar 17 '18 at 6:05
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Why don't Java Generics support primitive types?
... the JVM, which uses different bytecodes for operations on reference types vs primitive types.) However, erased generics in Java provide both behavioral parametricity (generic methods) and data parametricity (raw and wildcard instantiations of generic types.)
...
a homogeneous translation stra...
Many-to-many relationship with the same model in rails?
...d
And that should simply work! Here's an example irb session run through script/console:
>> a = Post.create :name => 'First post!'
=> #<Post id: 1, name: "First post!">
>> b = Post.create :name => 'Second post?'
=> #<Post id: 2, name: "Second post?">
>> c...
Fastest way to replace NAs in a large data.table
...n parallel so well address previously posted benchmarks, below its timings vs fastest approach till now, and also scaled up, using 40 cores machine.
library(data.table)
create_dt <- function(nrow=5, ncol=5, propNA = 0.5){
v <- runif(nrow * ncol)
v[sample(seq_len(nrow*ncol), propNA * nrow*...
What is the equivalent of bigint in C#?
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I just had a script that returned the primary key of an insert and used a
SELECT @@identity
on my bigint primary key, and I get a cast error using long - that was why I started this search. The correct answer, at least in my case, is tha...
Altering column size in SQL Server
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For most things, I prefer scripting. But for column changes, I like the UI. Don't have to remember to check for NOT NULL or any calculations or any additional column properties. Just click Save (after you make the settings change in SSMS as @7anner no...
String output: format or concat in C#?
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community wiki
8 revs, 6 users 55%Michał Piaskowski
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