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What is the purpose of flush() in Java streams?
...ust Flush It. Calls to writer.flush() say, "send whatever's in the buffer, now!
reference book: https://www.amazon.com/Head-First-Java-Kathy-Sierra/dp/0596009208
pages:453
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How to pad zeroes to a string?
...in the parens; since only one thing is being printed, it works identically now on Py2 and Py3.
– ShadowRanger
Jan 25 '19 at 2:19
2
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Login failed for user 'IIS APPPOOL\ASP.NET v4.0'
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thanks, I did what you sad, now i receive this error: Cannot open database "SiteNameExtension" requested by the login. The login failed. Login failed for user 'IIS APPPOOL\DefaultAppPool'.
– GibboK
Oct 8 '11 at 17:...
How to zip a whole folder using PHP
...OK)
echo "Failed to write files to zip\n";
$zipArchive->close();
Now documented at: www.php.net/manual/en/ziparchive.addglob.php
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How to list only the file names that changed between two commits?
...Add below alias to your ~/.bash_profile, then run, source ~/.bash_profile; now anytime you need to see the updated files in the last commit, run, showfiles from your git repository.
alias showfiles='git show --pretty="format:" --name-only'
...
Easiest way to check for an index or a key in an array?
...) return 1 ;;
esac";
}
$ getIfExist array key1
red
$ echo $?
0
$ # now with an empty defined value
$ array["key4"]=""
$ getIfExist array key4
$ echo $?
0
$ getIfExist array key5
$ echo $?
1
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How do getters and setters work?
...smart.
Here's a javascript example from mozilla:
var o = { a:0 } // `o` is now a basic object
Object.defineProperty(o, "b", {
get: function () {
return this.a + 1;
}
});
console.log(o.b) // Runs the getter, which yields a + 1 (which is 1)
I've used these A LOT because they are...
MYSQL OR vs IN performance
...
I needed to know this for sure, so I benchmarked both methods. I consistenly found IN to be much faster than using OR.
Do not believe people who give their "opinion", science is all about testing and evidence.
I ran a loop of 1000x the ...
Create and append dynamically
...= 'block';
document.getElementsByTagName('body')[0].appendChild(iDiv);
// Now create and append to iDiv
var innerDiv = document.createElement('div');
innerDiv.className = 'block-2';
// The variable iDiv is still good... Just append to it.
iDiv.appendChild(innerDiv);
http://jsfiddle.net/W4Sup/1/
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How do I know if a generator is empty from the start?
... @S.Lott you don't need to generate the entire sequence to know if the sequence is empty or not. One element's worth of storage is sufficient - see my answer.
– Mark Ransom
Jun 13 '14 at 6:34
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