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node.js execute system command synchronously
... processes, but for general development utilities it gets things done. Install the library.
npm install node-ffi
Example script:
var FFI = require("node-ffi");
var libc = new FFI.Library(null, {
"system": ["int32", ["string"]]
});
var run = libc.system;
run("echo $USER");
[EDIT Jun 2012: Ho...
How to avoid 'cannot read property of undefined' errors?
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Catching all exceptions without re-throwing is bad, and generally using exceptions as part of the expected flow of execution is also not great -- even though in this case it's pretty well contained.
– hugo
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'size_t' vs 'container::size_type'
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The standard containers define size_type as a typedef to Allocator::size_type (Allocator is a template parameter), which for std::allocator<T>::size_type is typically defined to be size_t (or a compatible type). So for the standard case, they are the same.
However, if you us...
Load resources from relative path using local html in uiwebview
...y:@"www"]];
[webview loadRequest:[NSURLRequest requestWithURL:url]];
Now all your relative links(like img/.gif, js/.js) in the html should get resolved.
Swift 3
if let path = Bundle.main.path(forResource: "dados", ofType: "html", inDirectory: "root") {
webView.load( URLRequest(url: ...
jQuery - prevent default, then continue default
...ault form submission behavior, then do my additional processing (it's basically calling Google Maps API and adding a few hidden fields to the form) -- and then I need the form to submit.
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What is ApplicationException for in .NET?
To throw exceptions, I usually use built-in exception classes, e.g. ArgumentNullException and NotSupportedException . However, sometimes I need to use a custom exception and in that case I write:
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Good geometry library in python? [closed]
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It does not really satisfy my requirements, but it's indeed a cool project, so I accept your answer as an interesting suggestion also for the future (as SymPy has a geometry module, and a huge amount of developers)
– ...
Get file name from URI string in C#
...string filename = System.IO.Path.GetFileName(uri.LocalPath);
}
This does all of the error checking for you, and is platform-neutral. All of the special cases get handled for you quickly and easily.
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How do I type using my keyboard on the iphone simulator?
...ommand-K Toggle (Show/Hide) Software Keyboard
And, you know, I really suffered for last 2 months, until found it, and it is very convenient now))
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What do *args and **kwargs mean? [duplicate]
...r **kwargs as the last items in your function definition’s argument list allows that function to accept an arbitrary number of arguments and/or keyword arguments.
For example, if you wanted to write a function that returned the sum of all its arguments, no matter how many you supply, you could wr...