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How to make pipes work with Runtime.exec()?

...ic.com/display/SIGAR/Home The simplest solution, however, (as pointed out by Kaj) is to execute the piped command as a string array. Here is the full code: try { String line; String[] cmd = { "/bin/sh", "-c", "ps -ef | grep export" }; Process p = Runtime.getRuntime().exec(cmd); Bu...
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Remove 'a' from legend when using aesthetics and geom_text

How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though. ...
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JPA getSingleResult() or null

...n it doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an exception if the ...
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Is element block level or inline level?

...since they do not have content per se, the element is essentially replaced by binary data. * Note that browsers technically use display: inline (as seen in the developer tools) but they are giving special treatment to images. They still follow all traits of inline-block. ...
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Which one will execute faster, if (flag==0) or if (0==flag)?

...on how you've overloaded the operator == . Note that you've to overload == by defining two functions, one for each of your versions! share | improve this answer | follow ...
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convert a JavaScript string variable to decimal/money

... Yes -- parseFloat. parseFloat(document.getElementById(amtid4).innerHTML); For formatting numbers, use toFixed: var num = parseFloat(document.getElementById(amtid4).innerHTML).toFixed(2); num is now a string with the number formatted with two decimal places. ...
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Parse email content from quoted reply

...ltiline); Here is my small collection of test responses (samples divided by --- ): From: test@test.com [mailto:test@test.com] Sent: Tuesday, January 13, 2009 1:27 PM ---- 2008/12/26 <test@test.com> > text ---- test@test.com wrote: > text ---- test@test.com wrote: text...
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Check if my app has a new version on AppStore

...e user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically? ...
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Is the 'type' attribute necessary for tags?

...o the JavaScript Script top-level production. Classic scripts are affected by the charset, async, and defer attributes. Authors should omit the attribute, instead of redundantly giving a JavaScript MIME type. share ...
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How to make a phone call in android and come back to my activity when the call is done?

... This is regarding the question asked by Starter. The problem with your code is that you are not passing the number properly. The code should be: private OnClickListener next = new OnClickListener() { public void onClick(View v) { EditText num=(E...