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Why does NULL = NULL evaluate to false in SQL server
...ually means is "no data". That might be used to represent the case where information is not known, but it is actually more likely to be used to indicate that something doesn't exist. To continue your example: What is Frank's middle name? He doesn't have one (null). What is Shirley's middle name? She...
How to create a subdirectory for a project QtCreator?
...pri file. At root level QT-CREATOR distinguishes between HEADERS, SOURCES, FORMS and OTHER FILES. Within these root folders you can find project-own subfolders, repeatedly. (Not covered in this text is splitting into sub-projects.)
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Replace line break characters with in ASP.NET MVC Razor view
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Environment.NewLine doesn't really apply to form posts since browsers usually return just \n instead of \r\n
– Buildstarted
Nov 19 '10 at 1:07
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What is the difference between a string and a byte string?
...i see the comments above - sure they're stored in memory somehow, but that form is explicitly abstracted away. Indeed, these days, it can change during the lifetime of a program and be different between different strings or might even be more than one (some encodings are cached), depending on the ch...
Prevent multiple instances of a given app in .NET?
...nce already running");
return;
}
Application.Run(new Form1());
}
}
private static string appGuid = "c0a76b5a-12ab-45c5-b9d9-d693faa6e7b9";
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How to print (using cout) a number in binary form?
I'm following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1).
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How to format a phone number with jQuery
...splaying phone numbers like 2124771000 . However, I need the number to be formatted in a more human-readable form, for example: 212-477-1000 . Here's my current HTML :
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C++ SFINAE examples?
...d to member pointer for non-class type int'. Instead, it just uses the ... form which returns Two, and thus evaluates to false, int is not a class type.
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Use of Application.DoEvents()
...s() is definitely not easy to grok.
Right off the bat: almost any Windows Forms program actually contains a call to DoEvents(). It is cleverly disguised, however with a different name: ShowDialog(). It is DoEvents() that allows a dialog to be modal without it freezing the rest of the windows in t...
Why does a base64 encoded string have an = sign at the end
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The equals sign (=) is used as padding in certain forms of base64 encoding. The Wikipedia article on base64 has all the details.
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