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Get size of an Iterable in Java
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You can cast your iterable to a list then use .size() on it.
Lists.newArrayList(iterable).size();
For the sake of clarity, the above method will require the following import:
import com.google.common.collect.Lists;
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How to validate an email address using a regular expression?
...e more sophisticated patterns in Perl and PCRE (regex library used e.g. in PHP) can correctly parse RFC 5322 without a hitch. Python and C# can do that too, but they use a different syntax from those first two. However, if you are forced to use one of the many less powerful pattern-matching language...
Java Generate Random Number Between Two Given Values [duplicate]
...ase where max is Integer.MAX_VALUE and min is 0. Use Math.round instead of casting to int to solve that.
– Krease
Apr 9 '15 at 18:06
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Difference Between ViewResult() and ActionResult()
...f you're planning to write unit tests. No more testing return types and/or casting the result.
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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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And I think you can also drop the cast to Number() and rely on the double equals to do a bit of conversion: let isNumeric = (val) => parseFloat(val) == val;
– Mark Birbeck
Aug 31 '16 at 11:40
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How can I catch a 404?
...wishes to assume that it will always have that type, then it should simply cast: HttpWebResponse errorResponse = (HttpWebResponse)we.Response;. This will throw an explicit InvalidCastException if the impossible happens, instead of a mysterious NullReferenceException.
– John Sau...
The specified type member 'Date' is not supported in LINQ to Entities Exception
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LINQ to Entities cannot translate most .NET Date methods (including the casting you used) into SQL since there is no equivalent SQL.
The solution is to use the Date methods outside the LINQ statement and then pass in a value. It looks as if Convert.ToDateTime(rule.data).Date is causing the error...
How can I echo a newline in a batch file?
... is expected. The best summary I know of is at dostips.com/forum/viewtopic.php?p=4554#p4554. It kind of leaves you hanging, but no one has ever come up with a scenario where ECHO( fails.
– dbenham
Apr 18 '14 at 17:20
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How to make button look like a link?
...t for the sake of simplicity i will use them here):
<a href="some/page.php" title="perform some js action" onclick="callFunction(this.href);return false;">watch and learn</a>
with this.href you can even access the target of the link in your function. return false will just prevent bro...
Javascript: Setting location.href versus location
...ndow.location.replace('/step1', '/step2');
The following codes work:
// cast to string
nextUrl = (window.location+'').replace('/step1', '/step2');
// href property
nextUrl = window.location.href.replace('/step1', '/step2');
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