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Batch files - number of command line arguments
...ing a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Set /A argC+=1
echo %argC%
Seems like cmd.exe has evolved a bit from the old DOS days :)
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Does Eclipse have line-wrap
I'm editing an XML file with the Eclipse IDE and need to input paragraphs of text. It doesn't seem that eclipse has a line-wrap feature though. Anyone knows if it does or if there's a plugin for that?
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matplotlib colorbar for scatter
I'm working with data that has the data has 3 plotting parameters: x,y,c. How do you create a custom color value for a scatter plot?
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Why is string concatenation faster than array join?
...ng optimizations have changed the string concatenation picture.
Firefox was the first browser to optimize string concatenation. Beginning with version 1.0, the array technique is actually slower than using the plus operator in all cases. Other browsers have also optimized string concatenation, ...
CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...理服务器的安装与配置一、简介代理服务器英文全称是Proxy Server，其功能就是代理网络用户去取得网络信息。Squid是一个缓存Internet 数据的软件，其接收用户的 一、简介
代理服务器英文全称是Proxy Server，其功能就是代理网络...
Commenting in a Bash script inside a multiline command
...`#Put your comment here` \
def `#Another chance for a comment` \
xyz, etc.
And for pipelines specifically, there is a clean solution with no overhead:
echo abc | # Normal comment OK here
tr a-z A-Z | # Another normal comment OK here
sort | # The pipelines are auto...
Are tar.gz and tgz the same thing?
... .tgz was used because files on Dos floppies could only have three letter extensions. When this limitation was removed .tar.gz was used to be more verbose by showing both the archive type (tar) and zipper (gzip).
They are identical.
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Instance variables vs. class variables in Python
...answered Apr 26 '10 at 15:16
Alex MartelliAlex Martelli
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What is CDATA in HTML? [duplicate]
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All text in an XML document will be parsed by the parser.
But text inside a CDATA section will be ignored by the parser.
CDATA - (Unparsed) Character Data
The term CDATA is used about text data that should not be parsed by the XML...
What's the purpose of META-INF?
...o package up your JAR. This is one of the areas where I think Ant really excels: specifying JAR file manifest attributes. It's very easy to say something like:
<jar ...>
<manifest>
<attribute name="Main-Class" value="MyApplication"/>
</manifest>
</jar>...