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Deny all, allow only one IP through htaccess

I'm trying to deny all and allow only for a single IP. But, I would like to have the following htaccess working for that single IP. I'm not finding a way to have both working: the deny all and allow only one, plus the following options: ...
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When to use Cast() and Oftype() in Linq

...me of them are not from this type you will get InvalidCastException EDIT for example: object[] objs = new object[] { "12345", 12 }; objs.Cast<string>().ToArray(); //throws InvalidCastException objs.OfType<string>().ToArray(); //return { "12345" } ...
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How to get Git to clone into current directory

...my-project.git . From git help clone: Cloning into an existing directory is only allowed if the directory is empty. So make sure the directory is empty (check with ls -a), otherwise the command will fail. share ...
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List all files and directories in a directory + subdirectories

I want to list every file and directory contained in a directory and subdirectories of that directory. If I chose C:\ as the directory, the program would get every name of every file and folder on the hard drive that it had access to. ...
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How to get an MD5 checksum in PowerShell

... If the content is a string: $someString = "Hello, World!" $md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider $utf8 = New-Object -TypeName System.Text.UTF8Encoding $hash = [System.BitConverter]::ToString($md5.ComputeHash($utf8.GetBytes($someStrin...
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Prevent browser caching of AJAX call result

...onsole.log(data); }); Edit: This answer is several years old. It still works (hence I haven't deleted it), but there are better/cleaner ways of achieving this now. My preference is for this method, but this answer is also useful if you want to disable caching for every request during the lifetime...
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Calculate size of Object in Java [duplicate]

I want to record how much memory (in bytes, hopefully) an object takes up for a project (I'm comparing sizes of data structures) and it seems like there is no method to do this in Java. Supposedly, C/C++ has sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the...
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How to pre-populate the sms body text via an html link

...rns out this is 100% possible, though a little hacky. If you want it to work on Android you need to use this format: <a href="sms:/* phone number here */?body=/* body text here */">Link</a> If you want it to work on iOS, you need this: <a href="sms:/* phone number here */;body=/*...
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rake db:schema:load vs. migrations

... question here - if migrations can get slow and cumbersome as an app gets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all? ...
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Textarea that can do syntax highlighting on the fly?

I am storing a number of HTML blocks inside a CMS for reasons of easier maintenance. They are represented by <textarea> s. ...