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What is the best regular expression to check if a string is a valid URL?
...rote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax.
For absolute IRIs (internationalized):
/^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9a-f][0-9a-f]|[-a-z0-9\._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{F...
How to loop through files matching wildcard in batch file
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edited Feb 16 '18 at 8:17
Peter
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What is difference between Errors and Exceptions? [duplicate]
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answered Apr 28 '11 at 4:40
Nirmal- thInk beYondNirmal- thInk beYond
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Why does this method print 4?
...available at: https://www.google.com/fusiontables/DataSource?docid=1xkJhd4s8biLghe6gZbcfUs3vT5MpS_OnscjWDbM
I've created another version where every repeated data point is removed. In other words, only points that are different from the previous are shown. This makes it easier to see anomalies. http...
When would you use a WeakHashMap or a WeakReference?
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answered Sep 30 '08 at 20:09
Jacob KrallJacob Krall
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Why do objects of the same class have access to each other's private data?
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Because that's how it works in C++. In C++ access control works on per-class basis, not on per-...
Filtering collections in C#
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Daniel Kaplan
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answered Aug 25 '08 at 15:13
Jorge Córdob...
Using an if statement to check if a div is empty
...) finds. Thanks.
– motoxer4533
Mar 28 '12 at 14:46
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As below, note you can use .text() if you do...
How to apply a CSS filter to a background image
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18 Answers
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How to supply value to an annotation from a Constant java
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Compile constants can only be primitives and Strings:
15.28. Constant Expressions
A compile-time constant expression is an expression denoting a value of primitive type or a String that does not complete abruptly and is composed using only the following:
Literals of primitive type ...