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How can I strip first X characters from string using sed?

...riables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system. ...
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Add text to Existing PDF using Python

...eate a new pdf containing your text to add using ReportLab, save this as a string object read the string object using PdfFileReader(), we'll call this text create a new PDF object using PdfFileWriter(), we'll call this output iterate through input and apply .mergePage(*text*.getPage(0)) for each pag...
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What is “String args[]”? parameter in main method Java

... In Java args contains the supplied command-line arguments as an array of String objects. In other words, if you run your program as java MyProgram one two then args will contain ["one", "two"]. If you wanted to output the contents of args, you can just loop through them like this... public clas...
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Should Gemfile.lock be included in .gitignore?

...> Always check in Gemfile.lock, make travis delete it if you want to be extra thorough https://grosser.it/2015/08/14/check-in-your-gemfile-lock/ share | improve this answer | ...
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How to trim whitespace from a Bash variable?

...ming for you. It's one command/program, no parameters, returns the trimmed string, easy as that! Note: this doesn't remove all internal spaces so "foo bar" stays the same; it does NOT become "foobar". However, multiple spaces will be condensed to single spaces, so "foo bar" will become "foo bar"...
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Generic type parameter naming convention for Java (with multiple chars)?

...rfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable. 5 Answ...
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Understanding the difference between Object.create() and new SomeFunction()

....create(Car.prototype) — When you create an object like this you have an extra option to choose your object's {prototype} property. If you want Car.prototype as the {prototype} then pass it as a parameter in the function. If you don't want any {prototype} for your object then you can pass null lik...
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Why should the “PIMPL” idiom be used? [duplicate]

... @Rob, I'm guessing there very little overhead to this. An extra class, but there is very little to them. Just a thin wrapper around the existing class. Someone correct me if I'm wrong, but the memory usage would just be an extra function table in RAM, a pointer to the pimpl and a re...
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How does Django's Meta class work?

I am using Django which allows people to add extra parameters to a class by using class Meta . 6 Answers ...
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how to get html content from a webview?

... @Override public void onPageFinished(WebView view, String url) { webview.loadUrl("javascript:window.HtmlViewer.showHTML" + "('<html>'+document.getElementsByTagName('html')[0].innerHTML+'</html>');"); } })...