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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...
Run: brew info mysql
And follow the instructions. From the description in the formula:
Set up databases to run AS YOUR USER ACCOUNT with:
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpd...
opengl: glFlush() vs. glFinish()
...e until you swap the buffers.
glFinish does not return until all effects from previously issued commands [...] are fully realized. This means that the execution of your program waits here until every last pixel is drawn and OpenGL has nothing more to do. If you render directly to the front buffer,...
How can I get a java.io.InputStream from a java.lang.String?
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There is an adapter from Apache Commons-IO which adapts from Reader to InputStream, which is named ReaderInputStream.
Example code:
@Test
public void testReaderInputStream() throws IOException {
InputStream inputStream = new ReaderInputStr...
What is meant by Resource Acquisition is Initialization (RAII)?
...xception thrown).
It is a widely used good practice in C++, because apart from being a safe way to deal with resources, it also makes your code much cleaner as you don't need to mix error handling code with the main functionality.
* Update: "local" may mean a local variable, or a nonstatic member ...
What does enumerable mean?
...ondition is in place because objects have many more properties, especially from inheritance:
console.log(Object.getOwnPropertyNames(Object.prototype));
// ["constructor", "toString", "toLocaleString", "valueOf", "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable", /* etc. */]
Each of these ...
How do you implement a re-try-catch?
...ans somehow that it will help our system to be more robust: try to recover from an unexpected event.
25 Answers
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Reducing Django Memory Usage. Low hanging fruit?
...ping global references to data. That prevents the python garbage collector from releasing the memory.
Don't use mod_python. It loads an interpreter inside apache. If you need to use apache, use mod_wsgi instead. It is not tricky to switch. It is very easy. mod_wsgi is way easier to configure for dj...
How to read all files in a folder from Java?
...e/you/Desktop");
listFilesForFolder(folder);
Files.walk API is available from Java 8.
try (Stream<Path> paths = Files.walk(Paths.get("/home/you/Desktop"))) {
paths
.filter(Files::isRegularFile)
.forEach(System.out::println);
}
The example uses try-with-resources patte...
switch / pattern matching idea
...tern match covers every possible case available, fully described, warnings from the compiler if you do not. While you can rightfully argue that the default case does this, it also is often in practice a run-time exception.
– VoronoiPotato
Aug 6 '19 at 15:36
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How many bytes in a JavaScript string?
I have a javascript string which is about 500K when being sent from the server in UTF-8. How can I tell its size in JavaScript?
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