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How to convert string to boolean php
...o the documentation, this function is available for PHP 5 >= 5.2.0. php.net/manual/en/function.filter-var.php
– Westy92
Oct 2 '15 at 2:49
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How to fluently build JSON in Java?
... Crockford is the guy who invented JSON; his Java library is here:
http://www.json.org/java/
It sounds like the folks at json-lib picked up where Crockford left off. Both fully support JSON, both use (compatible, as far as I can tell) JSONObject, JSONArray and JSONFunction constructs.
'Hope tha...
Why / when would it be appropriate to override ToString?
...and thus other classes know about this method. For instance, whenever the .NET framework wants to convert an object to a string representation, ToString is a prime candidate (there are others, if you want to provide more elaborate formatting options).
Concretely,
Console.WriteLine(yourObject);
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How to access random item in list?
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Beautiful. IN ASP.NET MVC 4.5, uisng a list, I had to change this to: list.OrderBy(x => Guid.NewGuid()).FirstOrDefault();
– Andy Brown
Sep 3 '14 at 9:56
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Identify if a string is a number
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Well, VB.NET's IsNumeric() internally uses double.TryParse(), after a number of gyrations that are needed (among other things) for VB6 compatibility. If you don't need compatibility, double.TryParse() is just as simple to use, and it ...
Make a borderless form movable?
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It does not work on mono, changed .net 4.5.2 to mono/net 4.5 and still does not work. Trying to find a solution now.
– Roger Deep
Sep 5 '17 at 16:01
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textarea - disable resize on x or y?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How can I add an item to a IEnumerable collection?
... I wouldn't call that Add though, because Add on virtually any other .NET type (not just collections) mutates the collection in-place. Maybe With? Or it could even be just another overload of Concat.
– Pavel Minaev
Jul 31 '09 at 2:15
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How does lucene index documents?
...airly good article here: https://web.archive.org/web/20130904073403/http://www.ibm.com/developerworks/library/wa-lucene/
Edit 12/2014: Updated to an archived version due to the original being deleted, probably the best more recent alternative is http://lucene.apache.org/core/3_6_2/fileformats.html
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Why array implements IList?
... Some time has passed since the original question. But now with .Net 4.5, there are additional interfaces IReadOnlyList and IReadOnlyCollection.
– Tobias
Apr 8 '15 at 12:16
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