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How to get number of rows using SqlDataReader in C#

... There are only two options: Find out by reading all rows (and then you might as well store them) run a specialized SELECT COUNT(*) query beforehand. Going twice through the DataReader loop is really expensive, you would have to re-execute the query. And (thanks to Pete ...
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How to create EditText with rounded corners? [closed]

... Except that your solution uses the same drawable for all states. A regular EditText has different backgrounds for focused, disabled, pressed, and selected, besides the default. Focused, in particular, may be important going forward if we get some Android devices that lack touch...
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How to prevent the activity from loading twice on pressing the button

... will even handle Button Selected States for you (if you provide them) and all the Material Design “goodies” you’d expect from a simple standard Widget. I can’t believe people use timers for this. Then you start seeing strange libraries to handle things like these… – ...
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Postgresql: password authentication failed for user “postgres”

I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...
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How to complete a git clone for a big project on an unstable connection?

...pted clone. It may take considerable time for a user on the end of a small pipe to download the data, and if the clone is interrupted in the middle the user currently needs to start over from the beginning and try again. For some users this may make it impossible to clone a large rep...
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cscope or ctags why choose one over the other? [closed]

... ctags enables two features: allowing you to jump from function calls to their definitions, and omni completion. The first means that when you are over a call to a method, hitting g] or CTRL-] will jump to the place where that method is defined or implem...
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git recover deleted file where no commit was made after the delete

...this in my config file $ git config alias.unstage reset HEAD which I usually use to unstage stuff. share | improve this answer | follow | ...
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PHP mailer multiple address [duplicate]

... You need to call the AddAddress method once for every recipient. Like so: $mail->AddAddress('person1@domain.com', 'Person One'); $mail->AddAddress('person2@domain.com', 'Person Two'); // .. Better yet, add them as Carbon Copy rec...
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View entire check in history TFS

Have been searching all over the internet but struggling to find my answer to this simple question. 4 Answers ...
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Renaming projects in Xcode 4

... Well, it turned out to be a trivial matter indeed. All you need to do is click twice slowly on the project root in the project navigator and it then becomes editable. After you rename the project and press 'enter' it will suggest to automatically change all project-name-relat...