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How to add test coverage to a private constructor?
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
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What does “connection reset by peer” mean?
...eer" is the TCP/IP equivalent of slamming the phone back on the hook. It's more polite than merely not replying, leaving one hanging. But it's not the FIN-ACK expected of the truly polite TCP/IP converseur.
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How do I list all files of a directory?
...reates a new list in a new memory location. This means extend is generally more efficient than +, but it can sometimes lead to confusion if multiple objects hold references to the list. Lastly, it's worth noting that f += filenames is equivalent to f.extend(filenames), not f = f + filenames.
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Create ArrayList from array
...g it into a new ArrayList object will fix the size of the list. One of the more common reasons to use an ArrayList is to be able to dynamically change its size, and your suggestion would prevent this.
– Code Jockey
Sep 26 '11 at 19:04
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How to set limits for axes in ggplot2 R plots?
...removes data points outside of the given range:
+ xlim(-5000, 5000)
For more information check the description of coord_cartesian.
The RStudio cheatsheet for ggplot2 makes this quite clear visually. Here is a small section of that cheatsheet:
Distributed under CC BY.
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Internal Error 500 Apache, but nothing in the logs?
...he default error log as opposed to the scripts error logs usually has the (more) specific error. often it will be permissions denied or even an interpreter that can't be found.
This means the fault almost always lies with your script. e.g you uploaded a perl script but didnt give it execute permiss...
JSON.stringify output to div in pretty print way
...rowser will not remove white spaces, new lines etc. code is for making it more semantic and denotes that the content inside is a code snippet. It has nothing to with formatting. It is advised to use like this, <pre><code> /* Your code snippet here. */ </code></pre>
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I need to store postal codes in a database. How big should the column be?
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Skimming through Wikipedia's Postal Codes page, 32 characters should be more than enough. I would say even 16 characters is good.
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