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How do you round to 1 decimal place in Javascript?
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answered Sep 8 '11 at 4:06
Billy MoonBilly Moon
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How to convert Java String into byte[]?
...m you appear to be wrestling with is that this doesn't display very well. Calling toString() will just give you the default Object.toString() which is the class name + memory address. In your result [B@38ee9f13, the [B means byte[] and 38ee9f13 is the memory address, separated by an @.
For display ...
Combining two Series into a DataFrame in pandas
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this actually avoids copying too (as compared to the dict solution)
– Jeff
Aug 5 '13 at 16:27
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wkhtmltopdf: cannot connect to X server
...cuments on-the-fly on my linux web server. The program originally needed X11 or similar X server to run correctly, but through many requests by developers to have this run on servers without GUI, I am pretty sure it runs a virtual X server in the static version . I have been using the static (sta...
What's the best way to validate an XML file against an XSD file?
... JDK 6 uses SAX parser with a StreamSource. A JAXP implementation could legally use a DOM parser in this case, but there is no reason to. If you use a DOM parser explicitly for validation, you will definitely instantiate a DOM tree.
– McDowell
Jul 21 '12 at 14:...
How can I index a MATLAB array returned by a function without first assigning it to a local variable
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It actually is possible to do what you want, but you have to use the functional form of the indexing operator. When you perform an indexing operation using (), you are actually making a call to the subsref function. So, even though ...
Razor-based view doesn't see referenced assemblies
...m another project in the same solution (with assembly name MyCoreDBLayer). All objects from MyCore.DBLayer worked perfectly in Controllers and Models but failed in Razor views with an error 'The type or namespace name 'DBLayer' does not exist in the namespace 'MyCore' (are you missing an assembly re...
OnCreateOptionsMenu() not called in Fragment
I have an app which got one activity with 2 fragments placed horizontally.
8 Answers
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What is the difference between char * const and const char *?
... C-only, sorry for the C++ code link, I got here from a C++ question) It's all about the C declaration syntax, with a ("pure") type part followed by a declarator. In "int const *foo, *volatile bar" the type part is int const (stops before the *) and the declarators are *foo (the expression *foo will...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...置是因为不是所有mongodb 的数据库和表 都需要分片！
11、测试分片配置结果。
#连接mongos服务器
/data/mongodbtest/mongodb-linux-x86_64-2.4.8/bin/mongo 127.0.0.1:20000
#使用testdb
use testdb;
#插入测试数据
for (var i = 1; i <= 100000; i++)
d...