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How to invoke a Linux shell command from Java

...te a command in your shell try Process p = Runtime.getRuntime().exec(new String[]{"csh","-c","cat /home/narek/pk.txt"}); instead. EDIT:: I don't have csh on my system so I used bash instead. The following worked for me Process p = Runtime.getRuntime().exec(new String[]{"bash","-c","ls /home/XX...
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Why does Node.js' fs.readFile() return a buffer instead of string?

...asis mine): Why does Node.js' fs.readFile() return a buffer instead of string? Because files aren't always text Even if you as the programmer know it: Node has no idea what's in the file you're trying to read. It could be a text file, but it could just as well be a ZIP archive or a JPG image ...
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How do I add multiple arguments to my custom template filter in a django template?

...lter, but there's no reason you can't put all your arguments into a single string using a comma to separate them. So for example, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this: {% if X|is_in:"1,2,3,4" %} Now we can cr...
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Android update activity UI from service

... binding.altitude.setText( String.format(Locale.US, "Pressure Altitude %d feet", altitude.intValue()))); } @Override public void onServiceDisconnected(...
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What does `m_` variable prefix mean?

...example (C# code) of this: Bad practice: public class Part { private String m_dsc; // The textual description void SetName(string name) { m_dsc = name; } } Good practice: public class Part { private String description; void SetDescription(string description) ...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

... looks like this: <dict> <key>JVMArch</key> <string>x86_64</string> <key>JVMBundleID</key> <string>com.oracle.java.7u04.jdk</string> <key>JVMEnabled</key> <true/> <key>JVMHomePath</key> ...
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Bold & Non-Bold Text In A Single UILabel?

... is shorter so everything becomes really simple: Swift 5 func attributedString(from string: String, nonBoldRange: NSRange?) -> NSAttributedString { let fontSize = UIFont.systemFontSize let attrs = [ NSAttributedString.Key.font: UIFont.boldSystemFont(ofSize: fontSize), N...
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Short form for Java if statement

... Won't String cityName = city.getName(); throw a NullPointerException if city == null? I'd therefore say your middle solution is definitely the best (PS and I approve of the 'unnecessary' parentheses! People need to remember that 9...
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Use jQuery to change an HTML tag?

...t;, [withDataAndEvents], [withDataAndEvents]) Arguments: tagName: String The tag name e.g. "div", "span", etc. withDataAndEvents: Boolean "A Boolean indicating whether event handlers should be copied along with the elements. As of jQuery 1.4, element data will be copied as we...
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Set every cell in matrix to 0 if that row or column contains a 0

... using the final row/column to store that information, so I was stuck with extra memory for a pair of Nx1 arrays. – Dave Sherohman Dec 8 '08 at 15:44 1 ...