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How does one make an optional closure in swift?
...nc then(onFulfilled: ()->(), onReject: (()->())?){
if let callableRjector = onReject {
// do stuff!
}
}
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LaTeX: Prevent line break in a span of text
How can I prevent LaTeX from inserting linebreaks in my \texttt{...} or \url{...} text regions? There's no spaces inside I can replace with ~ , it's just breaking on symbols.
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How to extract a string using JavaScript Regex?
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function extractSummary(iCalContent) {
var rx = /\nSUMMARY:(.*)\n/g;
var arr = rx.exec(iCalContent);
return arr[1];
}
You need these changes:
Put the * inside the parenthesis as
suggested above. Otherwise your matching
group will contain o...
Private and protected constructor in Scala
...curious about the impact of not having an explicit primary constructor in Scala, just the contents of the class body.
2 Ans...
How to get the anchor from the URL using jQuery?
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You can use the .indexOf() and .substring(), like this:
var url = "www.aaa.com/task1/1.3.html#a_1";
var hash = url.substring(url.indexOf("#")+1);
You can give it a try here, if it may not have a # in it, do an if(url.indexOf("...
Using Rails serialize to save hash to database
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@BenjaminTan what is the reason behind it,why does I can't store hash in 'string' data type.
– Lohith MV
Apr 18 '12 at 13:27
8
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Performance - Date.now() vs Date.getTime()
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These things are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whatev...
ASP.NET Temporary files cleanup
Can I safely delete the contents of this folder
2 Answers
2
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JavaScript: how to change form action attribute value based on selection?
...setAttribute("action", "/search/" + formAction);
});
Using setAttribute can save you a lot of time potentially.
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Delete sql rows where IDs do not have a match from another table
...LETEs within a transaction (assuming supported - IE: Not on MyISAM) so you can use rollback to revert changes in case of problems.
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