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Declaring and initializing variables within Java switches

... Switch statements are odd in terms of scoping, basically. From section 6.3 of the JLS: The scope of a local variable declaration in a block (§14.4) is the rest of the block in which the declaration appears, starting with its own initializer and including any further decla...
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get all keys set in memcached

How can I get all the keys set in my memcached instance(s)? 6 Answers 6 ...
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How to git reset --hard a subdirectory?

Imagine the following use case: I want to get rid of all changes in a specific subdirectory of my Git working tree, leaving all other subdirectories intact. ...
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What is a handle in C++?

I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation? ...
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What is the proper way to check if a string is empty in Perl?

... situation where you haven't already guarded against undef, then the catch-all for "non-empty" that won't warn is if (defined $str and length $str). share | improve this answer | ...
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How to make clang compile to llvm IR

...e correct where file extensions are concerned - and the clang frontend actually does the right thing if .bc is used; also, keep in mind that llvm-ld can act as frontend for the system toolchain, ie my previous answer using llvm-ld -native should work as expected.... – Christoph...
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How to use CSS to surround a number with a circle?

... The current latest version of Internet Explorer, 9, actually supports border-radius. ...and div isn't a great choice for this. :) – reisio Apr 25 '12 at 3:15 9 ...
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How to cancel a Task in await?

...below, and it works to some point. The CancelNotification method DOES get called, which makes you think the task was cancelled, but in the background the task keeps running, then after it's completed, the status of the Task is always completed and never cancelled. Is there a way to completely halt t...
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C++ include and import difference

...andard C/C++ preprocessor statement, used for including header (or occasionally other source code) files in your source code file. share | improve this answer | follow ...
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How to do a newline in output

How do I make \n actually work in my output? At the moment it just writes it all in 1 long block. Thanks for any help 4 A...