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What is the difference between instanceof and Class.isAssignableFrom(…)?
...Note
Originally this post was doing its own benchmark using a for loop in raw JAVA, which gave unreliable results as some optimization like Just In Time can eliminate the loop. So it was mostly measuring how long did the JIT compiler take to optimize the loop: see Performance test independent of th...
Do I have to guard against SQL injection if I used a dropdown?
...mysqli. Mostly by accident, I presume, but anyway, I have to warn you that raw mysqli is not an adequate substitution for the old mysq_* functions. Simply because if used in the old style, it will add no security at all. While it's support for the prepared statements is painful and troublesome, to t...
How to turn on/off ReactJS 'development mode'?
...quire('react') will run ./mode_modules/react/lib/React.js which is React's raw source.
The React docs suggest you use ./mode_modules/react/dist/react.js for development and react.min.js for production.
Should you minify /lib/React.js or /dist/react.js for production, React will display a warning m...
How do I install cygwin components from the command line?
...above
steps and then use Cygwin Bash for the following steps
wget https://raw.githubusercontent.com/transcode-open/apt-cyg/master/apt-cyg
chmod +x apt-cyg
mv apt-cyg /usr/local/bin
Now that apt-cyg is installed. Here are few examples of
installing some packages
apt-cyg install nano
apt-cyg insta...
Calculate MD5 checksum for a file
...oiner" and a Unicode "zero width space"--between the "empty" quotes in the raw HTML. I don't know if it was in the original comment or if SO is to blame here.
– Chris Simmons
Jan 19 '17 at 16:17
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How to get the path of a running JAR file?
...from the URL string,
// leaving the base path.
// get the class's raw resource path
final URL classResource = c.getResource(c.getSimpleName() + ".class");
if (classResource == null) return null; // cannot find class resource
final String url = classResource.toString();
fina...
Can someone copyright a SQL query? [closed]
...nymous? I find the strong comments very interesting. Seems to have hit a raw nerve.
– Ash
Dec 5 '09 at 3:24
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C++ Object Instantiation
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Raw pointers are useful when you want auto_ptr-like semantics (transferring ownership), but retain the non-throwing swap operation, and don't want the overhead of reference counting. Edge case maybe, but useful.
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How do you remove duplicates from a list whilst preserving order?
... None evaluates to True.
Note however that the hack solution is faster in raw speed though it has the same runtime complexity O(N).
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Class with single method — best approach?
...s standardised. There's nothing worse than looking over a business layer sprawling with different implementation methods.
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