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How to debug .htaccess RewriteRule not working

...l 9 Using a high value for Level will slow down your Apache server dramatically! Use the rewriting logfile at a Level greater than 2 only for debugging! Level 9 will log almost every rewritelog detail. UPDATE Things have changed in Apache 2.4: FROM Upgrading to 2.4 from 2.2 The RewriteLog ...
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SQL select only rows with max value on a column [duplicate]

... At first glance... All you need is a GROUP BY clause with the MAX aggregate function: SELECT id, MAX(rev) FROM YourTable GROUP BY id It's never that simple, is it? I just noticed you need the content column as well. This is a very common q...
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Replace specific characters within strings

... fixed=TRUE prevents R from using regular expressions, which allow more flexible pattern matching but take time to compute. If all that's needed is removing a single constant string "e", they aren't necessary. – mm689 Oct 31 '16 at 19:16 ...
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Windows recursive grep command-line

...hes pattern if at the end of a line. /L Uses search strings literally. /R Uses search strings as regular expressions. /S Searches for matching files in the current directory and all subdirectories. /I Specifies that the search is not to be case-se...
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How do I provide a username and password when running “git clone git@remote.git”?

...nfiguration of the remote server. Use ssh-agent to avoid typing passwords all the time If you don't want to type your ssh password all the time, the typical solution is to generate a public/private key pair, put the public key in your ~/.ssh/authorized_keys file on the remote server, and load your...
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Failed to load resource under Chrome

...sabled (ctrl+shift+n) and see if your page works now. Note that by default all extensions will be already disabled in incognito mode unless you've specifically set them to run (via chrome://extensions). share | ...
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Should services always return DTOs, or can they also return domain models?

..., adding a new layer to your lasagna. is it ok to return domain models all the way to controllers, or should we always use DTOs for communication with service layer? A DTO is a response/request object, it makes sense if you use it for communication. If you use domain models in your presentatio...
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?

I'm creating a web based system which will be used in countries from all over the world. One type of data which must be stored is dates and times. ...
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Big-O summary for Java Collections Framework implementations? [closed]

...: Collections Overview has a nice summary table. Annotated Outline lists all of the implementations on one page. share | improve this answer | follow | ...
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Ruby class instance variable vs. class variable

...n store something common to that class without having sub-classes automatically also get them (and vice-versa). With class variables, you have the convenience of not having to write self.class from an instance object, and (when desirable) you also get automatic sharing throughout the class hierarchy...