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Insert a line at specific line number with sed or awk
... has a wq command to save and quit, but old ed's don't.
Further reading: https://gnu.org/software/ed/manual/ed_manual.html
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Git push results in “Authentication Failed”
... using Github for a little while and I have been fine with git add , git commit , and git push so far with no problems. Suddenly I am having an error that says:
...
What are named pipes?
...t. Often, a commonly used standard default exists (much like port 80 for HTTP, SQL server uses port 1433 in TCP/IP; \\.\pipe\sql\query for a named pipe).
By setting up additional named pipes, you can have multiple DB servers running, each with its own request listeners.
The advantage of named pi...
Is there a CSS selector for elements containing certain text?
...t for the CSS3 spec but it didn't make the cut.
:contains() CSS3 selector http://www.w3.org/TR/css3-selectors/#content-selectors
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How do I use .toLocaleTimeString() without displaying seconds?
...
var result = d + ' ' + t;
return result;
}
You can try it here: http://jsfiddle.net/B5Zrx/
\u200E is some formatting character that I've seen on some IE version (it's unicode left-to-right mark).
I assume that if the formatted time contains something like "XX:XX:XX" then it must be time...
Push origin master error on new repository
...my-local-master:master which will rename it to master on github) or make a commit first. You can not push a completely empty repository.
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What's the key difference between HTML 4 and HTML 5?
...
Now W3c provides an official difference on their site:
http://www.w3.org/TR/html5-diff/
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delete a.x vs a.x = undefined
...alue to undefined will not look for the property in the chained prototypes http://jsfiddle.net/NEEw4/1/
var obj = {x: "fromPrototype"};
var extended = Object.create(obj);
extended.x = "overriding";
console.log(extended.x); // overriding
extended.x = undefined;
console.log(extended.x); // undefined...
How do I check what version of Python is running my script?
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I like sys.hexversion for stuff like this.
http://docs.python.org/library/sys.html#sys.hexversion
>>> import sys
>>> sys.hexversion
33883376
>>> '%x' % sys.hexversion
'20504f0'
>>> sys.hexversion < 0x02060000
True
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How can I run a directive after the dom has finished rendering?
...jQuery('selector').height();
}
For example in the promise of a deferred HTTP request.
MyHttpService.then(function(data){
$scope.MyHttpReturnedImage = data.image;
$scope.$broadcast("imageLoaded");
});
$scope.$on("imageLoaded", function(){
jQuery('img').height(80).width(80);
}
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