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Best practices/performance: mixing StringBuilder.append with String.concat
...(s2)
Multiple strings with +
Worth to note that:
String s = s1 + s2 + s3 + ... +sN
is translated to:
String s = new StringBuilder(s1).append(s2).append(s3)...apend(sN).toString();
concat()
String s = s1.concat(s2);
String creates char[] array that can fit both s1 and s2. Copies s1 and s2...
How to export and import a .sql file from command line with options? [duplicate]
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FranklineFrankline
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Why am I getting error for apple-touch-icon-precomposed.png
I have created a new rails3 project but I am seeing following logs many times in my server logs. Why I am getting these request and how can I avoid these?
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Can't start site in IIS (use by another process)
...ommand to find the task from your command prompt:
tasklist /FI "PID eq 123"
Note: change 123 with the PID returned from the first command.
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Submitting a form by pressing enter without a submit button
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243
Try:
<input type="submit" style="position: absolute; left: -9999px"/>
That will push th...
Shell - Write variable contents to a file
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answered Jul 23 '12 at 19:12
pb2qpb2q
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Gray out image with CSS?
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237
Does it have to be gray? You could just set the opacity of the image lower (to dull it). Altern...
How to include a Font Awesome icon in React's render()
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308
If you are new to React JS and using create-react-app cli command to create the application, t...
What's the best way to iterate over two or more containers simultaneously
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53
Rather late to the party. But: I would iterate over indices. But not with the classical for loop...
ASP.NET MVC How to convert ModelState errors to json
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