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What methods of ‘clearfix’ can I use?

...rt for oldIE, the solution can be simplified to one css statement. Additionally, using display: block (instead of display: table) allows margins to collapse properly when elements with clearfix are siblings. .container::after { content: ""; display: block; clear: both; } This is the most mo...
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Better way to cast object to int

... to signify a Nullable<int>. The "as" operator works like Convert.To____(), but think TryParse() rather than Parse(): it returns null rather than throwing an exception if the conversion fails. Of these, I would prefer (int) if the object really is just a boxed integer. Otherwise use Conver...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...rwise, if ec2-user and root don't work, check with your AMI provider. Finally, be aware that there are many other reasons why authentication would fail. SSH is usually pretty explicit about what went wrong if you care to add the -v option to your SSH command and read the output, as explained in ma...
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$.focus() not working

... Actually the example you gave for focusing on this site works just fine, as long as you're not focused in the console. The reason that's not working is simply because it's not stealing focus from the dev console. If you run the f...
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How to call base.base.method()?

...Derived { public override void Say() { Console.WriteLine("Called from Special Derived."); var ptr = typeof(Base).GetMethod("Say").MethodHandle.GetFunctionPointer(); var baseSay = (Action)Activator.CreateInstance(typeof(Action), this, ptr); baseSay(...
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Is there any sed like utility for cmd.exe? [closed]

...ershell saved me. For grep there is: get-content somefile.txt | where { $_ -match "expression"} or select-string somefile.txt -pattern "expression" and for sed there is: get-content somefile.txt | %{$_ -replace "expression","replace"} For more detail see Zain Naboulsis blog entry. ...
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facebook: permanent Page Access Token?

...ook pages as one of its data sources. It imports some data from it periodically with no GUI involved. Then we use a web app to show the data we already have. ...
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How to filter object array based on attributes?

...art of the new ECMAScript 5th Edition standard, and can be found on almost all modern browsers. For IE, you can include the following method for compatibility: if (!Array.prototype.filter) { Array.prototype.filter = function(fun /*, thisp*/) { var len = this.length >>> 0; if (ty...
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Is there a JavaScript / jQuery DOM change listener?

Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chrome extension & webpage script), I need a way simply observe changes in DOM state. I could set up polling but that seems sloppy. ...
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How can I debug javascript on Android?

... days with Chrome for Android remote debugging, we are able to make use of all the goodness of the Chrome for Desktop Developer Tools on Android. Check out https://developers.google.com/chrome-developer-tools/docs/remote-debugging for more information. Update: JavaScript Console You can also nav...