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If string is empty then return some default value
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Phrogz sort of gave me the idea in PofMagicfingers comment, but what about overriding | instead?
class String
def |(what)
self.strip.blank? ? what : self
end
end
@user.address | "We don't know user's address"
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Convert PHP closing tag into comment
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Another idea: Escape the > (and the /, if you want to use a /*...*/ comment):
$string = preg_replace('#<br\s*\/?\>(?:\s*<br\s*\/?\>)+#i', '<br />', $string);
An "unnecessary" escape is ignored by the regex eng...
Remove all special characters except space from a string using JavaScript
...es not use RegExp and use good UTF-8 support in the JavaScript engine. The idea is simple if a symbol is equal in uppercase and lowercase it is a special character. The only exception is made for whitespace.
function removeSpecials(str) {
var lower = str.toLowerCase();
var upper = str.t...
How do I convert a TimeSpan to a formatted string? [duplicate]
...gt; timespan.tostring("%d") + " " +timespan.tostring(@"hh\:mm:\ss"); . The idea is get the required strings separately and join them.
– prabhakaran
Aug 3 '12 at 8:51
22
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Copying files from one directory to another in Java
...rty tools instead of writing all utilities by ourself seems to be a better idea. It can save time and other valuable resources.
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Why does Java allow us to compile a class with a name different than the file name?
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@AndrewBarber, the analogy perfectly fits the idea of directory, in the long corridor you can quickly find a person by just glancing on the door plates, you do not need to enter each room and ask.
– exebook
Dec 2 '13 at 15:15
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Git - How to fix “corrupted” interactive rebase?
...anges were incorrect and so I executed "git reset HEAD --hard". Not a good idea, I tell you.
18 Answers
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Nginx reverse proxy causing 504 Gateway Timeout
...ver makes it through beyond those 5 minutes or 300 seconds. Are there more ideas to fix it?
– Pathros
May 1 at 22:53
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Cordova 3.5.0 Install Error- Please Install Android Target 19
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I too was getting the same error 19. I have no idea about AndroidManifest.xml and where it is supposed to be.
In my case, I fixed the error by running the 'android' command from the console, opening the Android 4.4.2 (API19) tree and installing the SDK Platform.
After t...
Replace non-numeric with empty string
...so we don't need to create a class, and as far as the leading 1, not a bad idea. But I think I'd rather handle that on a case by case basis, at least in this project. Thanks again -- if I could upvote again, I would.
– Matt Dawdy
Nov 4 '08 at 17:01
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