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Generating a random & unique 8 character string using MySQL

...nsists of two very different sub-problems: the string must be seemingly random the string must be unique While randomness is quite easily achieved, the uniqueness without a retry loop is not. This brings us to concentrate on the uniqueness first. Non-random uniqueness can trivially be achieved w...
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Assigning out/ref parameters in Moq

... @ATD partly yes. Declare a delegate with the out parameter and assign the value in the callback with the syntax from above – royalTS Jul 25 '19 at 7:06 ...
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How to open a new tab using Selenium WebDriver?

... use Keys.COMMAND instead of Keys.CONTROL if you are using mac – nanospeck Dec 19 '15 at 7:36 ...
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Why use a READ UNCOMMITTED isolation level?

In plain English, what are the disadvantages and advantages of using 10 Answers 10 ...
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Send email using java

...very well with Google SMTP server. You need to supply your Google username and password. import com.sun.mail.smtp.SMTPTransport; import java.security.Security; import java.util.Date; import java.util.Properties; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Sess...
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Printing 1 to 1000 without loop or conditionals

... address hence evading the pointer errors. This version of the above in standard C, since it doesn't rely on arithmetic on function pointers: #include <stdio.h> #include <stdlib.h> void f(int j) { static void (*const ft[2])(int) = { f, exit }; printf("%d\n", j); ft[j/1000...
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How to think in data stores instead of databases?

As an example, Google App Engine uses Google Datastore, not a standard database, to store data. Does anybody have any tips for using Google Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard t...
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Is there a generic constructor with parameter constraint in C#?

...has parameterless constructor, if you define a constructor with parameters and dont redefine the default constructor, there's no default constructor. – Johnny5 Apr 30 '12 at 17:58 ...
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Best PHP IDE for Mac? (Preferably free!) [closed]

.... Be prepared to allow half a gig of memory then you'll need to shut down and restart. Komodo A step above a Text Editor. Does not support database connections or split views. Color coding and syntax checking are there to an extent. The project control on Komodo is very unwieldy and strange compar...
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I cannot start SQL Server browser

...it is disabled, go to Control Panel->Administrative Tools->Services, and look for the SQL Server Agent. Right-click, and select Properties From the Startup Type dropdown, change from Disabled to Automatic. share ...