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Hadoop “Unable to load native-hadoop library for your platform” warning
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I assume you're running Hadoop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
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What is the GAC in .NET?
...t;DIR> GAC_32
06/17/2009 04:22 PM <DIR> GAC_64
06/17/2009 04:22 PM <DIR> GAC_MSIL
...snip...
0 File(s) 0 bytes
9 Dir(s) 90,538,311,680 bytes free
C:\Windows\assembly>cd GAC_64
C:\Windows\assembly\GAC_...
How could I convert data from string to long in c#
...ers (see below) listed here. Please review and up-vote them.
Convert.ToInt64("1100.25")
Method signature from MSDN:
public static long ToInt64(
string value
)
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How do you convert epoch time in C#?
...Thanks for the code. Just a slight recommendation when creating the Epoch base: be sure to explicitly set the Millisecond value to 0. i.e. var epoch = new DateTime(1970, 1, 1, 0/*h*/, 0/*m*/, 0/*s*/, 0 /*ms*/, DateTimeKind.Utc); If you don't explicitly set it the millisecond value seems to come o...
Detect URLs in text with JavaScript
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Based on Crescent Fresh answer
if you want to detect links with http:// OR without http:// and by www. you can use the following
function urlify(text) {
var urlRegex = /(((https?:\/\/)|(www\.))[^\s]+)/g;
//var urlRe...
How to set Oracle's Java as the default Java in Ubuntu?
...ms, you can point to either the JRE or the JDK.
You should set JAVA_HOME based on current Java you are using.
readlink will print value of a symbolic link for current Java and sed will adjust it to JRE directory:
export JAVA_HOME=$(readlink -f /usr/bin/java | sed "s:bin/java::")
If you want to...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...来的大小都是差不多的。当然，不只是文字，其他元素像图片什么的也是这个道理。ppk把这个viewport叫做 ideal viewport，也就是第三个viewport——移动设备的理想viewport。
ideal viewport并没有一个固定的尺寸，不同的设备拥有有不...
How to create a new object instance from a Type
...safe way if your new type implements a known interface or inherits a known base class. -- Either of those approaches will give you a static contract for your runtime created object.
– BrainSlugs83
Oct 16 '18 at 17:17
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Converting a column within pandas dataframe from int to string
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Exporting functions from a DLL with dllexport
...e stamp Sun Feb 01 19:54:32 2009
0.00 version
1 ordinal base
2 number of functions
2 number of names
ordinal hint RVA name
1 0 0001110E getEngineVersion = @ILT+265(_getEngineVersion)
2 1 00011028 registerPlugin = @ILT+35(_...