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What is digest authentication?

...es with the username, realm, password and the URI request. The client runs all of those fields through an MD5 hashing method to produce a hash key. It sends this hash key to the server along with the username and the realm to attempt to authenticate. Server-side the same method is used to generate...
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LINQ query on a DataTable

...s.Cast<DataRow>().Where(myRow => (int)myRow["RowNo"] == 1). Personally, I don't find the call to AsEnumerable() any more complicated than the call to Cast<DataRow>(). As far as I know, the performance is the same, so it's just a matter of preference. – Collin K ...
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What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association

...ms to be the owner of the orders. But in the SQL world, one item will actually contain a pointer to the other. Since there is 1 customer for N orders, each order contains a foreign key to the customer it belongs to. This is the "connection" and this means the order "owns" (or literally contains) th...
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Versioning SQL Server database

...cript means being able to "spin up" a fresh database without going through all the migration steps. It also makes it possible to diff the current version against accumulated previous versions. – mlibby Jun 16 '09 at 21:50 ...
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OS X Bash, 'watch' command

...ulate the basic functionality with the shell loop: while :; do clear; your_command; sleep 2; done That will loop forever, clear the screen, run your command, and wait two seconds - the basic watch your_command implementation. You can take this a step further and create a watch.sh script that can...
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How do I make a request using HTTP basic authentication with PHP curl?

... You want this: curl_setopt($ch, CURLOPT_USERPWD, $username . ":" . $password); Zend has a REST client and zend_http_client and I'm sure PEAR has some sort of wrapper. But its easy enough to do on your own. So the entire request might look ...
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How to get the next auto-increment id in mysql

... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases... – Gerard ONeill Feb 12 '16 at 15:26 ...
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded

...garbage collector is taking an excessive amount of time (by default 98% of all CPU time of the process) and recovers very little memory in each run (by default 2% of the heap). This effectively means that your program stops doing any progress and is busy running only the garbage collection at all t...
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly

...If you don't have a public key, Heroku will prompt you to add one automatically which works seamlessly. Just use: heroku keys:add To clear all your previous keys do : heroku keys:clear To display all your existing keys do : heroku keys EDIT: The above did not seem to work for me. I had me...
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Setting Vim whitespace preferences by filetype

... @JamesMcMahon expandtab expands all tabs to spaces. sts (softtabstop) inserts spaces and tabs for indents: as many tabs as will fit in the indent based on the size of tabstop, and then spaces after that. Of course, if expandtab is on, all the tabs that get ...