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What is the difference between re.search and re.match?
...sing ^ in the pattern.
As the re.match documentation says:
If zero or more characters at the
beginning of string match the regular expression pattern, return a
corresponding MatchObject instance.
Return None if the string does not
match the pattern; note that this is
different from a ...
Difference between ObservableCollection and BindingList
... whole bunch of functionality which can be used by the UI to provide a lot more things than only UI updates according to changes, like:
Sorting
Searching
Add through factory (AddNew member function).
Readonly list (CanEdit property)
All these functionalities are not available in ObservableCollec...
Logger slf4j advantages of formatting with {} instead of string concatenation
... varargs parameters since API version 1.7.
For those cases where you need more than 2 and you're stuck with pre-1.7 SLF4J, then just use either string concatenation or new Object[] { param1, param2, param3, ... }. There should be few enough of them that the performance is not as important.
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How to get random value out of an array?
...
Should be mt_rand(0, 3) as there are only 4 items. More correctly though: $array[mt_rand(0, count($array)]
– reko_t
Oct 29 '09 at 12:43
2
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Getting all types that implement an interface
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How do servlets work? Instantiation, sessions, shared variables and multithreading
...y that value (1 is 1st, 2 is 2nd, etc). If the same value is specified for more than one servlet, then each of those servlets is loaded in the same order as they appear in the web.xml, web-fragment.xml, or @WebServlet classloading. In the event the "load-on-startup" value is absent, the init() metho...
How to detect iPhone 5 (widescreen devices)?
...d as an exact number (like 1.0/3.0*3.0 for example). Read this article for more info ;)
– AliSoftware
Sep 16 '12 at 16:50
2
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How to show all parents and subclasses of a class in IntelliJ IDEA?
...t), which by default is mapped to <Shift+Escape>. So far it felt way more natural to me when closing "floating windows" (type hierarchy included).
– Eyal Roth
Nov 19 '15 at 18:12
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