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Clean way to launch the web browser from shell script?
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If the user has Python installed... But thanks for mentioning the webbrowser module !
– nicoulaj
Jun 26 '10 at 17:41
2
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Change multiple files
...ot even just a builtin. For sed -i 's/old/new' *, the expansion of * must ALL be passed as an arglist to sed, and I'm fairly sure this has to happen before the sed process can even be started. Using the for loop, the full arglist (the expansion of *) never gets passed as a command, only stored in ...
Code coverage with Mocha
...ul is. Try the following, after you get your mocha tests to pass:
npm install nyc
Now, simply place the command nyc in front of your existing test command, for example:
{
"scripts": {
"test": "nyc mocha"
}
}
sha...
Is there a way to make a DIV unselectable?
...t here: msdn.microsoft.com/en-us/library/hh801966(v=vs.85).aspx But I actually tested on IE, and it works correctly.
– KimKha
May 1 '13 at 15:27
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How can I get a JavaScript stack trace when I throw an exception?
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Edit 2 (2017):
In all modern browsers you can simply call: console.trace(); (MDN Reference)
Edit 1 (2013):
A better (and simpler) solution as pointed out in the comments on the original question is to use the stack property of an Error objec...
Remove the last line from a file in Bash
...e, while $ means "the last line in the file". When specifying a location (called "range" in sed lingo) before a command, that command is only applied to the specified location. So, this command explicitly says "in the range of the last line in a file, delete it". Quite slick and straight to the poin...
parseInt(null, 24) === 23… wait, what?
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@Ignacio. Actually, I was wrong. I didn't realize 37 was referring to a radix. Sorry about that.
– Mike Samuel
Jun 23 '11 at 20:15
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lexers vs parsers
Are lexers and parsers really that different in theory?
5 Answers
5
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Scoping in Python 'for' loops
I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended):
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What is the purpose of double curly braces in React's JSX syntax?
... an object literal inlined in the prop value. It's the same as
var obj = {__html: rawMarkup};
<span dangerouslySetInnerHTML={obj} />
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