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Java time-based map/cache with expiring keys [closed]
...any of you know of a Java Map or similar standard data store that automatically purges entries after a given timeout? This means aging, where the old expired entries “age-out” automatically.
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MySQL Insert Where query
...is an autoincrement column then you might as well omit it from your INSERT all together and let mysql increment it as normal.
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+ operator for array in PHP?
...ced by php.net doesn't have a formal spec, but both the + and array_merge call zend_hash_merge under the hood. This is also expected, since in PHP arrays are implemented as ordered hash maps.
– bishop
May 19 '15 at 18:34
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How do I assert my exception message with JUnit Test annotation?
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I personally wouldn't want to use this since creating fields for the purpose of a small subset of methods is bad practice. Not a criticism of the response, but of JUnit's design. The OP's hypothetical solution would be so much better...
twitter bootstrap navbar fixed top overlapping site
... everything is fine. However, when i try to switch it to navbar fixed top, all the other content on the site shifts up like the navbar isn't there and the navbar overlaps it. here's basically how i laid it out:
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How to create empty text file from a batch file?
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copy NUL EmptyFile.txt
DOS has a few special files (devices, actually) that exist in every directory, NUL being the equivalent of UNIX's /dev/null: it's a magic file that's always empty and throws away anything you write to it. Here's a list of some others; CON is occasionally useful as w...
How to mock void methods with Mockito
... Object[] args = invocation.getArguments();
System.out.println("called with arguments: " + Arrays.toString(args));
return null;
}
}).when(mockWorld).setState(anyString());
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Get first n characters of a string
...}
Update 3:
It's been a while since I wrote this answer and I don't actually use this code any more. I prefer this function which prevents breaking the string in the middle of a word using the wordwrap function:
function truncate($string,$length=100,$append="…") {
$string = trim($st...
Truncate number to two decimal places without rounding
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@DarkHippo Thats because 4.27 is actually 4.26999999999, Math.round is generally a better solution, albeit not the answer to the original question. Realistically given the output is a string this should be done using string manipulation instead of a numeric solu...
Revert changes to a file in a commit
...wiFissehaye : I think git checkout will only revert the changes again to fall back to the state what was in commit. I did 'git add filename ; git commit --amend' to remove the file from commit.
– ViFI
Oct 18 '16 at 18:20
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