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Matching an empty input box using CSS

How do I apply a style to an empty input box? If the user types something in the input field, the style should no longer be applied. Is this possible in CSS? I tried this: ...
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Find and replace in file and overwrite file doesn't work, it empties the file

I would like to run a find and replace on an HTML file through the command line. 13 Answers ...
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Convert datetime object to a String of date only in Python

I see a lot on converting a date string to an datetime object in Python, but I want to go the other way. I've got 11 A...
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How to “perfectly” override a dict?

How can I make as "perfect" a subclass of dict as possible? The end goal is to have a simple dict in which the keys are lowercase. ...
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Check if list contains element that contains a string and get that element

...ilizing LINQ but I haven't been able to fully understand them (and thus, implement them), as I'm not familiarized with it. What I would like to, basically, is this: ...
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Initializing C# auto-properties [duplicate]

... Update - the answer below was written before C# 6 came along. In C# 6 you can write: public class Foo { public string Bar { get; set; } = "bar"; } You can also write read-only automatically-implemented properties, which...
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Apache2: 'AH01630: client denied by server configuration'

... If you are using Apache 2.4 You have to check allow and deny rules Check out http://httpd.apache.org/docs/2.4/upgrading.html#access In 2.2, access control based on client hostname, IP address, and other characteristics of client reques...
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Generic htaccess redirect www to non-www

I would like to redirect www.example.com to example.com . The following htaccess code makes this happen: 24 Answers ...
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Eclipse - debugger doesn't stop at breakpoint

I am trying to trouble shoot a JUnit. In the source code, I have set break point in two places: 1) in a line where a static member is initialized 2) the first line of one of the test cases. ...
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How to revert a “git rm -r .”?

...mmitted changes with git stash: git stash git reset --hard HEAD git stash pop share | improve this answer | follow | ...