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Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
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Had the same problem and @Epistemex's link helped me troubleshoot it.
... You need to install libcairo2-dev, libjpeg-dev and libgif-dev packages ...
sudo apt-get install libcairo2-dev libjpeg-dev libgif-dev
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Different floating point result with optimization enabled - compiler bug?
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Intel x86 processors use 80-bit extended precision internally, whereas double is normally 64-bit wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit...
How to find all combinations of coins when given some dollar value
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How do I make curl ignore the proxy?
How do I make curl ignore the proxy?
Setting $NO_PROXY doesn't seem to work for me.
12 Answers
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How do I change the figure size with subplots?
I came across this example in the Matplotlib website. I was wondering if it was possible to increase the figure size.
2 A...
Delegates: Predicate vs. Action vs. Func
Can someone provide a good explanation (hopefully with examples) of these 3 most important delegates:
8 Answers
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How to change legend title in ggplot
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This should work:
p <- ggplot(df, aes(x=rating, fill=cond)) +
geom_density(alpha=.3) +
xlab("NEW RATING TITLE") +
ylab("NEW DENSITY TITLE")
p <- p + guides(fill=guide_legend(title="New Legend Title"))
(or alternatively)
p...
Kill a postgresql session/connection
...tions to other databases
AND datname = 'database_name'
;
Before executing this query, you have to REVOKE the CONNECT privileges to avoid new connections:
REVOKE CONNECT ON DATABASE dbname FROM PUBLIC, username;
If you're using Postgres 8.4-9.1 use procpid instead of pid
SELECT
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how to disable DIV element and everything inside [duplicate]
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@MaxStrater It won't switch the old click bindings on
– Samy S.Rathore
May 27 '14 at 13:29
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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...后台通过正则表达式能够验证通过，正则表达式为“^(([\x20-\x7e])|(\x8e[\xa6-\xdf])){1,32}$“。现在问题是UT测试代码能够通过，而前台输入则不能。
此时若后台采用的是JAVA编程，问题便很容易解决直接用destStr = new String(sourceStr.getBy...