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Difference between >>> and >>
...metic shift would give you 11111111, or -1. Logical right shift, however, does not care that the value could possibly represent a signed number; it simply moves everything to the right and fills in from the left with 0s. Shifting our -2 right one bit using logical shift would give 01111111.
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How do I clone a subdirectory only of a Git repository?
...heir own implementation, so even if support shows up in the Git server, it does not automatically mean that it works on Git hosters. (OTOH, since they don't use the Git server, they could implement it faster in their own implementations before it shows up in Git server.)
No, that's not possible i...
Why does one often see “null != variable” instead of “variable != null” in C#?
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Adding braces is reasonable, IMO - C# certainly doesn't make any attempt to stop it from being a problem. That's very different to the "constant == variable" issue.
– Jon Skeet
Nov 23 '08 at 8:06
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Best way to do multiple constructors in PHP
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$student= Student::create()->setFirstName("John")->setLastName("Doe");
// see result
var_dump($student);
?>
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C# vs Java generics [duplicate]
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streloksi's link does a great job of breaking down the differences. The quick and dirty summary though is ...
In terms of syntax and usage. The syntax is roughly the same between the languages. A few quirks here and there (most notably in...
How do I fix "The expression of type List needs unchecked conversion…'?
...lt to SyndEntry before adding it to your new list. Collections.checkedList does not do this checking for you—although it would have been possible to implement it to do so.
By doing your own cast up front, you're "complying with the warranty terms" of Java generics: if a ClassCastException is rai...
Get file name from URI string in C#
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string filename = System.IO.Path.GetFileName(uri.LocalPath);
}
This does all of the error checking for you, and is platform-neutral. All of the special cases get handled for you quickly and easily.
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Allowed characters in filename [closed]
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This is not correct. Linux doesn't allow /. Windows doesn't allow backslash and some strings (e.g. CON).
– kgadek
Mar 23 '17 at 17:42
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Does using “new” on a struct allocate it on the heap or stack?
...eap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ?
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Does R have an assert statement as in python?
...Hadley's new assertthat package, which gives better answers than stopifnot does: github.com/hadley/assertthat
– Harlan
Apr 12 '13 at 13:26
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