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What is the effect of encoding an image in base64?
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It will be approximately 37% larger:
Very roughly, the final size of Base64-encoded binary data is equal to 1.37 times the original data size
Source: http://en.wikipedia.org/wiki/Base64
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Java regex capturing groups indexes
...turing groups in different branches of alternation.
Group name
From Java 7, you can define a named capturing group (?<name>pattern), and you can access the content matched with Matcher.group(String name). The regex is longer, but the code is more meaningful, since it indicates what you are t...
XPath: select text node
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187
Having the following XML:
<node>Text1<subnode/>text2</node>
How do ...
Capturing Ctrl-c in ruby
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– Tim Snowhite
Jan 20 '10 at 18:37
these works perfect: rescue SystemExit, Interrupt raise rescue Exception =>...
Inserting a Link to a Webpage in an IPython Notebook
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172
For visual learners.
[blue_text](url_here)
Thanks dbliss.
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Xcode doesn't show the line that causes a crash
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CarterCarter
4,60222 gold badges1717 silver badges2424 bronze badges
4
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How do I replace NA values with zeros in an R dataframe?
..., replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 2
3 1 1 6 3 6 NA 1 4 1 6
4 NA 4 NA 7 10 2 NA 4 1 8
5 1 2 4 NA 2 6 2 6 7 4
6 NA 3 NA NA 10 2 1 10 8 4
7 4 4 ...
How do I select an element in jQuery by using a variable for the ID?
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edited Nov 8 '12 at 7:15
answered Apr 13 '09 at 14:16
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Large Numbers in Java
...java.math package.
Example:
BigInteger reallyBig = new BigInteger("1234567890123456890");
BigInteger notSoBig = new BigInteger("2743561234");
reallyBig = reallyBig.add(notSoBig);
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improve ...
What is causing this ActiveRecord::ReadOnlyRecord error?
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edited Mar 18 '19 at 6:37
morhook
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answered Mar 12 '09 at 18:15
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