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How to create a trie in Python
... may take up to 50x-100x less memory than
in a standard Python dict; the raw lookup speed is comparable; trie
also provides fast advanced methods like prefix search.
Based on marisa-trie C++ library.
Here's a blog post from a company using marisa trie successfully:
https://www.repustate.c...
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...
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
...
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...
C++ Object Instantiation
...
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.
...
What is the difference between Swing and AWT?
...
Because Swing tries to do everything possible in Java other than the very raw graphics routines provided by a native GUI window, it used to incur quite a performance penalty compared to AWT. This made Swing unfortunately slow to catch on. However, this has shrunk dramatically over the last several ...
When to use a View instead of a Table?
...nctionality as Oracle's "WITH CHECK OPTION" clause directly in the view
Drawbacks
You lose information about relations (primary keys, foreign keys)
It's not obvious whether you will be able to insert/update a view, because the view hides its underlying joins from you
...
Is MD5 still good enough to uniquely identify files?
...
Personally i think people use raw checksums (pick your method) of other objects to act as unique identifiers way too much when they really want to do is have unique identifiers. Fingerprinting an object for this use wasn't the intent and is likely to req...
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...