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Declaring variables inside or outside of a loop
.... However, this does not apply to your example, due to the immutability of strings in java: a new instance of str will always be created in the beginning of your loop and it will have to be thrown away at the end of it, so there is no possibility to optimize there.
EDIT: (injecting my comment below...
How does a PreparedStatement avoid or prevent SQL injection?
...he final form query that is constructed using PreparedStatements will be a string or otherwise?
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Find the similarity metric between two strings
How do I get the probability of a string being similar to another string in Python?
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Convert all first letter to upper case, rest lower for each word
I have a string of text (about 5-6 words mostly) that I need to convert.
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generating GUID without hyphen
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Note that you are talking about the (canonical) string representation of a Guid. The Guid itself is actually a 128-bit integer value.
You can use the "N" specifier with the Guid.ToString(String) overload.
Guid.NewGuid().ToString("N");
By default letters are lowercase. ...
Extract part of a regex match
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Use ( ) in regexp and group(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECASE)
if title_search:
title = title_search.gr...
Is object empty? [duplicate]
...ash each have a convenient isEmpty() function, if you don't mind adding an extra library.
_.isEmpty({});
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String output: format or concat in C#?
Let's say that you want to output or concat strings. Which of the following styles do you prefer?
31 Answers
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Scroll Automatically to the Bottom of the Page
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Works in newer versions of Chrome now, but some of the extra options (like smooth scrolling) don't seem to be implemented yet.
– Matt Zukowski
Feb 17 '16 at 16:42
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
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I consistently used the stylesheet_link_tag helper, so I found all the extra css files I needed to add with:
find . \( -type f -o -type l \) -exec grep stylesheet_link_tag {} /dev/null \;
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