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How to convert currentTimeMillis to a date in Java?
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Calendar objects are generally considered quite large, so should be avoided when possible. A Date object is going to be better assuming it has the functionality you need. "Date date=new Date(millis);" provided in the other answer by user AVD is going ...
The $.param( ) inverse function in JavaScript / jQuery
...ht with accepted answer "this won't work with arrays". Your solution works all right.
– Robert Koritnik
Sep 16 '09 at 12:44
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Extract a regular expression match
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Use the new stringr package which wraps all the existing regular expression operates in a consistent syntax and adds a few that are missing:
library(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1]...
Rails check if yield :area is defined in content_for
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not really necessary to create a helper method:
<% if @content_for_sidebar %>
<div id="sidebar">
<%= yield :sidebar %>
</div>
<% end %>
then of course in your view:
<% content_for :sideb...
What's the difference between IEquatable and just overriding Object.Equals()?
...t you avoid a cast from System.Object which can make a difference if it's called frequently.
As noted on Jared Parson's blog though, you still must implement the Object overrides.
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How to reference generic classes and methods in xml documentation
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Thanks for that answer! It's actually missing from MSDN's page on <see>: msdn.microsoft.com/en-us/library/acd0tfbe.aspx
– joce
Apr 16 '11 at 20:56
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How to identify if the DLL is Debug or Release build (in .NET) [duplicate]
...s to check the compiled assemblies itself. There is this very useful tool called '.NET Assembly Information' found here by Rotem Bloom. After you install this, it associates itself with .dll files to open with itself. After installing you can just double-click on the Assembly to open and it will giv...
How to find all occurrences of an element in a list?
...first occurrence of an item in a list. Is there a neat trick which returns all indices in a list for an element?
16 Answers...
android studio 0.4.2: Gradle project sync failed error
...e folder in the user home directory
Restart Android Studio let it download all the Gradle stuff it needs
Gradle build success !
Rebuild project.... success !
Out of curiousity I compared the structure of the old .gradle and the new one... they were pretty different !
So I'll see how 0.4.2 goes :...
Single Line Nested For Loops
...ertools.product, which returns an iterable yielding tuples of values from all the iterables you pass it. That is, itertools.product(A, B) yields all values of the form (a, b), where the a values come from A and the b values come from B. For example:
import itertools
A = [50, 60, 70]
B = [0.1, 0.2...
