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How do I find if a string starts with another string in Ruby?
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answered Nov 12 '10 at 20:02
steenslagsteenslag
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Frequency table for a single variable
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edited Sep 26 '12 at 20:23
answered Aug 31 '12 at 0:14
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IntelliJ shortcut to show a popup of methods in a class that can be searched
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Use Navigate (View in older versions) | File Structure Popup (Ctrl+F12 on Windows, ⌘+F12 on OS X). Start typing method/symbol name to either narrow down the list or highlight the desired element. Press Enter to navigate to the selected element.
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Unix shell script to truncate a large file
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André Chalella
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answered Nov 27 '12 at 2:12
chepnerchepner
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Replace all 0 values to NA
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answered Jun 14 '12 at 16:09
Julius VainoraJulius Vainora
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Differences between utf8 and latin1
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edited Feb 1 '19 at 12:42
answered Apr 25 '10 at 16:54
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Set custom attribute using JavaScript
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edited Jul 2 '12 at 0:28
answered Jul 2 '12 at 0:22
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In Matlab, when is it optimal to use bsxfun?
...unctions.
I have run a speed comparison between repmat and bsxfun with R2012b on my decently fast laptop.
For me, bsxfun is about 3 times faster than repmat. The difference becomes more pronounced if the arrays get larger
The jump in runtime of repmat happens around an array size of 1Mb, whic...
Convert a python UTC datetime to a local datetime using only python standard library?
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12 Answers
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How many String objects will be created when using a plus sign?
... optimize away those + signs. It's equivalent to:
const String result = "1234";
Furthermore, the compiler will remove extraneous constant expressions, and only emit them if they are used or exposed. For instance, this program:
const String one = "1";
const String two = "1";
const String result...