如何确定正在运行的GlassFish服务器版本?
这个命令:
/var/glassfish/bin/asadmin version
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...回:
Version = Sun Java System Application Server 9.1_01
Command version executed successfully.
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这是哪个版本的GlassFish?
我试图压缩像单声道这样的一些数据:
public static string Save(FlightProgram program, bool compressed)
{
using (MemoryStream ms = new MemoryStream())
{
BinaryFormatter f = new BinaryFormatter();
if (compressed)
{
using (DeflateStream gz = new DeflateStream(ms, CompressionMode.Compress))
{
f.Serialize(gz, program);
}
}
else
{
f.Serialize(ms, program);
}
return Convert.ToBase64String(ms.ToArray()).Replace('/', '_');
}
}
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我只是得到异常"CreateZStream".没有内在的例外.这里发生了什么 ?
堆栈跟踪:
Could not save flight program: CreateZStream at at (wrapper managed-to-native) System.IO.Compression.DeflateStream:CreateZStream (System.IO.Compression.CompressionMode,bool,System.IO.Compression.DeflateStream/UnmanagedReadOrWrite,intptr)
at System.IO.Compression.DeflateStream..ctor (System.IO.Stream compressedStream, CompressionMode mode, Boolean leaveOpen, Boolean gzip) [0x00000] in <filename unknown>:0
at System.IO.Compression.DeflateStream..ctor (System.IO.Stream compressedStream, CompressionMode …Run Code Online (Sandbox Code Playgroud) 我们在相当复杂的项目中使用S3,SimpleDB和SQS.
我希望能够自动跟踪他们的使用情况,以确保我们不打算在我们不打算花费大量资金时(可能是因为一个错误).
有没有办法从脚本中读取所有亚马逊网络服务的使用数据和/或帐户的当前实时美元成本?
或者基于此提供警报的任何服务或脚本?
package geometry;
public class Hypotenuse {
public InnerTriangle it = new InnerTriangle();
class InnerTriangle {
public int base;
public int height;
}
}
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关于可以引用变量库的对象的类,哪个陈述是正确的?
答:它可以是任何类.
B.没有班级可以进入基地.
C.该类必须属于几何包.
D.该类必须是Hypotenuse类的子类
这是来自SCJP Dumps,答案是"C".因为我的知识答案应该是"B",因为内部类具有称为"base"的局部变量,并且它仅在内部类中具有范围.即使我想在"几何"类中使用这个变量,我也不允许这样做.
如果我错了,请指导我?
假设我执行git log并看到一个带有 ID 的提交280c5af57b02c41edbf947a0eed31c72e2839123
看来要查看该提交中进行了哪些更改,我可以这样做
git diff 280c5af57^ 280c5af57
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或者
git show 280c5af57
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但是,由于我已经设置为 diff 工具(使用https://gist.github.com/bkeating/329690opendiff上的说明),所以上面的第一个命令将使用 来显示它,而第二个命令将使用命令行。opendiff
有没有办法不使用 Bash 别名或函数来区分git它,而无需两次输入或粘贴提交 ID?(喜欢svn diff -c 321234)
我使用SendArp API函数来检索网络上存在的MAC地址.
现在我有一个MAC地址,我想检索有关此设备的更多信息(名称,类型,制造商名称等),但我不知道哪个(大多数)适合这个.
有人可以帮忙吗?
我不知道选择AWS Elastic Beanstalk作为生产系统的环境。您在这方面有经验吗?
I have rails 4 beta1 application with multiple engines. I've installed sunspot_rails gem /2.0.0.pre.130115/ in my host application. Most of my models lived in engine1. I used them on other engines. After I installed sunspot_rails, using rake sunspot:solr:run I got command/task not found. According to documentation I found a solution. Here is the link: https://github.com/sunspot/sunspot/wiki/Adding-Sunspot-search-to-Rails-in-5-minutes-or-less
After I created a new record Solr found it in a search. But when I reindexed my data, old records were still not found …
我知道app.config这个论坛中有很多参考资料,但我在这里发布这个问题,因为我认为我的问题非常直接。
我的长app.config这样...
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<section name="MySection.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
</sectionGroup>
<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
<section name="MySection.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</sectionGroup>
</configSections>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
<userSettings>
<MySection.Properties.Settings>
<setting name="DEVICE_ID_VERSION" serializeAs="String">
<value>1.0.0.0</value>
</setting>
<setting name="DEVICE_ID_ID" serializeAs="String">
<value>0000 0001</value>
</setting>
</MySection.Properties.Settings>
</userSettings>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="PInvoke" publicKeyToken="83380E73B2486719" culture="neutral"/>
<bindingRedirect oldVersion="0.0.0.0-3.0.19.0" newVersion="3.0.19.0"/>
</dependentAssembly>
<dependentAssembly> …Run Code Online (Sandbox Code Playgroud) 我试图.sh在Windows 7上使用Cygwin 执行一个文件,我收到一个错误cannot execute binary file.
这是我在Cygwin命令提示符窗口中编写的内容:
$ bash cygpath --unix C:\Users\\MyName\\Documents\\MyProject\\dygraphsMaster\\generate-combined.sh
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这是结果:
/usr/bin/cygpath: /usr/bin/cygpath: cannot execute binary file
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amazon-ec2 ×1
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