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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink

... One thing to mention is that, in my testing and a really old comment by someone else it seems you can't have an always-on scrollbar AND the momentum-like scrolling that people are used to with iOS. Doing the momentum-scrolling CSS caused my custom scrollbars to disappear. ...
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What are the differences between type() and isinstance()?

...identity of types and rejects instances of subtypes, AKA subclasses). Normally, in Python, you want your code to support inheritance, of course (since inheritance is so handy, it would be bad to stop code using yours from using it!), so isinstance is less bad than checking identity of types because...
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When to use generic methods and when to use wild-card?

...eed such kind of relation, then you are free not to use type parameters at all. Some other difference between using wildcards and type parameters are: If you have only one parameterized type argument, then you can use wildcard, although type parameter will also work. Type parameters support multi...
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What exactly is LLVM?

I keep hearing about LLVM all the time. It's in Perl, then it's in Haskell, then someone uses it in some other language? What is it? ...
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Is there a way to comment out markup in an .ASPX page?

...guage="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ht_tv1.Default" %> --%> <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Blank._Default" %> This won't. <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.asp...
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Locking pattern for proper use of .NET MemoryCache

...t collection that has thread safe reads but non-thread safe writes (almost all of classes under the System.Collections namespace is like that). Here is how I would do it using ReaderWriterLockSlim to protect access. You need to do a kind of "Double Checked Locking" to see if anyone else created the...
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What is the easiest way to duplicate an activerecord record?

...ID. Note that it does not copy associations, so you'll have to do this manually if you need to. Rails 3.1 clone is a shallow copy, use dup instead... share | improve this answer | ...
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Python Requests throwing SSLError

...ts, this may be acceptable for quick/throwaway applications/scripts, but really should not go to production software. If just skipping the certificate check is not acceptable in your particular context, consider the following options, your best option is to set the verify parameter to a string tha...
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What is the difference between Step Into and Step Over in the Eclipse debugger?

...e executed next, indicated by ->) at the f(x) line in g(), having been called by the g(2) line in main(): public class testprog { static void f (int x) { System.out.println ("num is " + (x+0)); // <- STEP INTO } static void g (int x) { -> f(x); // f(1); //...
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find: missing argument to -exec

... A -exec command must be terminated with a ; (so you usually need to type \; or ';' to avoid interpretion by the shell) or a +. The difference is that with ;, the command is called once per file, with +, it is called just as few times as possible (usually once, but there is a maxi...