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(grep) Regex to match non-ASCII characters?
... but they are all valid UTF-8 . One program has a bug that prevents it working with non-ASCII filenames, and I have to find out how many are affected. I was going to do this with find and then do a grep to print the non-ASCII characters, and then do a wc -l to find the number. It doesn't have...
Check if string contains only whitespace
...andling the empty string.
Alternatively, you could use str.strip() and check if the result is empty.
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Non-static variable cannot be referenced from a static context
...a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea....
Windows batch files: .bat vs .cmd?
... with NT. But I continue to see .bat files everywhere, and they seem to work exactly the same using either suffix. Assuming that my code will never need to run on anything older than NT, does it really matter which way I name my batch files, or is there some gotcha awaiting me by using the wrong s...
How do I write stderr to a file while using “tee” with a pipe?
I know how to use tee to write the output ( STDOUT ) of aaa.sh to bbb.out , while still displaying it in the terminal:
...
Test if remote TCP port is open from a shell script
I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
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No provider for “framework:jasmine”! (Resolving: framework:jasmine)
...he yeoman angular generator (yo angular).
The solution for me was adding "karma-jasmine" to the devDependencies in packages.json and running "npm install" again.
npm install karma-jasmine --save-dev
This solved the error message "No provider for “framework:jasmine”!"
I also had to add a karm...
Programmatically scroll a UIScrollView
I have a UIScrollView which has several views. When a user flicks their finger, the view scrolls to the right or left depending on the direction of the finger flick. Basically my code works in a way similar to the iPhone photo app. Now, is there a way that I can programmatically do the same thing...
Razor-based view doesn't see referenced assemblies
...ces for Razor views.
Open the web.config file in your Views folder, and make sure it has the following:
<configuration>
<configSections>
<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages...
Nested classes' scope?
... return Outer.outer_var
This isn't quite the same as similar things work in other languages, and uses global lookup instead of scoping the access to outer_var. (If you change what object the name Outer is bound to, then this code will use that object the next time it is executed.)
If you instea...