The problem is that you aren&#39;t correctly escaping the input string, try:

    echo &quot;\&quot;member\&quot;:\&quot;time\&quot;&quot; | grep -e &quot;member\&quot;&quot;

Alternatively, you can use unescaped double quotes within single quotes:

    echo &#39;&quot;member&quot;:&quot;time&quot;&#39; | grep -e &#39;member&quot;&#39;

It&#39;s a matter of preference which you find clearer, although the second approach prevents you from nesting your command within another set of single quotes (e.g. `ssh &#39;cmd&#39;`).



&gt; **Possible Duplicate:**  
&gt; [How to get Color from Hex color code using .NET?](https://stackoverflow.com/questions/2109756/how-to-get-color-from-hex-color-code-using-net)  

&lt;!-- End of automatically inserted text --&gt;

I want to convert a string like `#FFFFFF` to `System.Drawing.Color`. How do you do that?

How to convert Hexadecimal #FFFFFF to System.Drawing.Color

I feel there is a little mess in the Java EE 6 spec. There are several sets of annotations.

We have `javax.ejb` annotations like `@Stateful` and `@Stateless` for creating EJBs.

There is also a `@javax.annotation.ManagedBean` to create a managed bean.

There are annotations in `javax.enterprise.context` like `@SessionScoped` and `@RequestScoped`. 

What is more there are also `@ManagedBean` and `@SessionScoped`/`@RequestScoped` annotations in `javax.faces.bean` package.

And to make things event more complicated there is a package `javax.inject` with `@Named` annotation.

Can someone please describe how they are related one to another? 

Where can I use `@EJB`, `@Inject` or `@ManagedPropery` to inject other beans?

Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean

I wanted to do grep for keywords with double quotes inside. To give a simple example:

    echo &quot;member&quot;:&quot;time&quot; | grep -e &quot;member\&quot;&quot;

That does not match. How can I fix it?


Escape double quote in grep

I wanted to do grep for keywords with double quotes inside. To give a simple example:
<pre><code class="hljs language-bash">echo "member":"time" | grep -e "member\""
</code></pre>
That does not match. How can I fix it?

I saw this interesting question at a comment on [cyberciti.biz](http://www.cyberciti.biz/faq/how-to-redirect-output-and-errors-to-devnull/).

That I found I even can&#39;t find a flexible way to do this in one-line command with sh.

As far my thought for the solution is:

    tmp_file=`mktemp`
    (./script 2&gt;$tmp_file &gt;/dev/null; cat $tmp_file) | ./other-script
    rm tmp_file

But you see, this is not synchronous, and fatally, it&#39;s so ugly.


Welcome to share you mind about this. :)


Shell: redirect stdout to /dev/null and stderr to stdout

I am trying to print the results of an MD5 hash to the console and it is working for the most part. To ensure correctness, I used an online MD5 calculator to compare results. Most of the characters are the same, but a few are missing in mine and they are are all leading zeroes.

Let me explain. The result is a 16 byte unsigned char *. I print each of these bytes one by one. Each byte prints TWO characters to the screen. However, if the first character out of the two is a zero, it does not print the zero. 

    printk(&quot;%x&quot;, result);

Result is of type unsigned char*. Am I formatting it properly or am I missing something?

Printing leading zeroes for hexadecimal in C

    top -c

Top lists all the processes, there are good options to filter the processes by username by using the option -u &lt;username&gt; but I am wondering if there is any easy way to filter the processes based on processname listed under COMMAND column of the top output.

For Example I would want like top -some option -substring of processname and top displays pids only having this substring in its command name


top -c command in linux to filter processes listed based on processname

Note: When originally posted I was trying to install maven2. Since the main answer is for maven3 I have updated the title. The rest of the question remains as it was originally posted.

I&#39;m trying to install maven2 on a redhat linux box using the command

     yum install maven2

but yum doesn&#39;t seem to be able to find maven2.

    No package maven2 available

 I&#39;ve run across other posts about this topic, but the answer to the following post suggests to add repos. I add said repos, but run into errors after adding them.

https://stackoverflow.com/questions/6298865/how-to-install-maven-into-red-hat-linux-enterprise-addition-6

I can only access this box via command line so simply downloading maven from their website is difficult for me.

How to install maven on redhat linux

I tried installing Intel MPI Benchmark on my computer and I got this error:

    fork: retry: Resource temporarily unavailable

Then I received this error again when I ran `ls` and `top` command.

What is causing this error?

Configuration of my machine:

    Dell precision T7500
    Scientific Linux release 6.2 (Carbon)


fork: retry: Resource temporarily unavailable

I need to run a java jar in server in order to communicate between two applications. I have written two shell scripts to run it, but once I start up that script I can&#39;t shut down / terminate the process. If I press &lt;kbd&gt;ctrl&lt;/kbd&gt;+&lt;kbd&gt;C&lt;/kbd&gt; or close the console, the server will shut down. Could anyone help me how to modify this script to run as a normal server?

     #!/bin/sh
    java -jar /web/server.jar
    echo $! 
    #&gt; startupApp.pid



Run java jar file on a server as background process

All of us probably know `.bat` for Batch files.

But what is the file extension for **PowerShell 3** scripts?

I found `.ps1` and some other endings but they&#39;re only for version 1. 

File extension for PowerShell 3

I have to write a function in bash. The function will take about 7 arguments. I know that I can call a function like this:

To call a function with parameters:

    function_name $arg1 $arg2

And I can refer my parameters like this inside the function:

    function_name () {
       echo &quot;Parameter #1 is $1&quot;
    }

My question is, is there a better way refer to the parameters inside the function? Can I avoid the $1, $2, $3, .... thing and simply use the $arg1, $arg2, ...?

Is there a proper method for this or do I need to re-assign these parameters to some other variables inside the function? E.g.:

    function_name () {
       $ARG1=$1
       echo &quot;Parameter #1 is $ARG1&quot;
    }

Any example would be much appreciated. 

Is there a way to avoid positional arguments in bash?

How can I test if a command outputs an empty string?

Content Type	Original Author	Original Content on Stackoverflow
Question	Qiang Li	View Question on Stackoverflow
Solution 1 - Linux	cmh	View Answer on Stackoverflow

Escape double quote in grep

Linux Problem Overview

Linux Solutions

Solution 1 - Linux

Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean

How to convert Hexadecimal #FFFFFF to System.Drawing.Color

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