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How to run a shell script at startup
On an Amazon S3 Linux instance, I have two scripts called start_my_app and stop_my_app which start and stop forever (which in turn runs my Node.js application). I use these scripts to manually start and stop my Node.js application. So far so good.
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SSH Key - Still asking for password and passphrase
...ought I set it up. Is the ssh-agent something outside of git I need to install? Thanks
– HelloWorld
Jan 13 '14 at 15:50
2
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How to change a span to look like a pre with CSS?
...ok at the W3C CSS2.1 Default Style Sheet or the CSS2.2 Working Draft. Copy all the settings for PRE and put them into your own class.
pre {
display: block;
unicode-bidi: embed;
font-family: monospace;
white-space: pre;
}
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What is Shelving in TFS?
...our code. Say you are hacking up some CSS / HTML to fix rendering bugs. Usually you bang on it, iterating every possible kludge you can think up until it looks right. However, once it looks right you may want to try and go back in to cleanup your markup so that someone else may be able to understand...
Does Qt support virtual pure slots?
My GUI project in Qt has a lot of "configuration pages" classes which all inherit directly from QWidget .
2 Answers
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How to test if list element exists?
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This is actually a bit trickier than you'd think. Since a list can actually (with some effort) contain NULL elements, it might not be enough to check is.null(foo$a). A more stringent test might be to check that the name is actually defin...
How to Find And Replace Text In A File With C#
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Read all file content. Make a replacement with String.Replace. Write content back to file.
string text = File.ReadAllText("test.txt");
text = text.Replace("some text", "new value");
File.WriteAllText("test.txt", text);
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How to get a password from a shell script without echoing
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Some shells allow you to specify the prompt for the read command: read -s -p "Password:" password
– Gordon Davisson
Oct 20 '10 at 19:40
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How do shift operators work in Java? [duplicate]
...s, shifting is shorter/more efficient than converting an int to a double, calling Math.pow() and converting back to an int.) It's also useful for transforming an int value from signed (Java) to an unsigned equivalent (C/C++; Java doesn't have unsigned types, which is one of its shortcomings).
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When to use -retainCount?
...ike to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it.
11 A...