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Why java.lang.Object is not abstract? [duplicate]
Why is the Object class, which is base class of 'em all in Java, not abstract?
14 Answers
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Why use iterators instead of array indices?
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@GMan - in almost all implementations, size() is fast for lists just as much for vectors. Next version of the standard will require this to be true. The real problem is the slowness of retreval by position.
– Daniel Earwi...
HTML5: number input type that takes only integers?
...ields are signed floating-point numbers (for unsigned ints you'll have to fall back to "pattern" validation and thus lose extra features like the up and down arrows for browsers that support it). Is there another input type or perhaps an attribute that would restrict the input to just unsigned integ...
Notepad++ - How can I replace blank lines [duplicate]
...rchMode
Put \r\n\r\n in Find What
Put \r\n in ReplaceWith
Click on Replace All
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Java to Clojure rewrite
...ble state and develop pure (side-effect free) functions. You probably know all this already :-)
Anyway, this philosophy tends to lead towards something of a "bottom up" development style where you focus the initial efforts on building the right set of tools to solve your problem, then finally plug ...
SQL Server insert if not exists best practice
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Semantically you are asking "insert Competitors where doesn't already exist":
INSERT Competitors (cName)
SELECT DISTINCT Name
FROM CompResults cr
WHERE
NOT EXISTS (SELECT * FROM Competitors c
WHERE cr.Name = c.cName...
Under what circumstances are linked lists useful?
...he new Thread Pool, (with the local "queues" implemented as stacks, essentially). (The other main supporting structure being ConcurrentQueue<T>.)
The new Thread Pool in turn provides the basis for the work scheduling of the new
Task Parallel Library.
So they can certainly be useful - a link...
How to push new branch without history
...h two unrelated branches, master and configs.
I've created configs, purged all the files and then placed in configuration files only.
Now I want to push this on remote repo, but as it were new, empty branch (without logs of all my changes and old revisions of original branch).
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How do I delete a Git branch locally and remotely?
I want to delete a branch both locally and remotely.
41 Answers
41
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How to use PHP OPCache?
PHP 5.5 has been released and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it.
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