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Database sharding vs partitioning
I have been reading about scalable architectures recently. In that context, two words that keep on showing up with regards to databases are sharding and partitioning . I looked up descriptions but still ended up confused.
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Determine the line of code that causes a segmentation fault?
... and display stack traces for any segfaults, as well as any invalid memory reads or writes and memory leaks. It's really quite useful.
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Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
...le on. All it has is a finite number of internal states, each of which can read a unit of input from the string being tested, and use that to decide which state to move to next. As special cases, it has two termination states: "yes, that matched", and "no, that didn't match".
HTML, on the other han...
Calling clojure from java
...h a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the classpath?
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How to pattern match using regular expression in Scala?
...schaef: that case p.firstName.lastName.Map(... pattern—how on earth do I read that?
– Erik Kaplun
Feb 16 '14 at 21:37
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How to paste yanked text into the Vim command line
...nix) or NUL (Windows), you can write to it but it's discarded and when you read from it, it is always empty),
- (small delete register),
/ (search pattern register, updated when you look for text with /, ?, * or # for instance; you can also write to it to dynamically change the search pattern),
: (s...
Including JavaScript class definition from another file in Node.js
...es
Since Node.js version 14 it's possible to use ES Modules with CommonJS. Read more about it in the ESM documentation.
Here it is an example of the same behaviour implemented with ESM:
package.json
{
"type": "module"
}
user.js
export default class User {}
server.js
import User from './user.js'
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Cordova: start specific iOS emulator image
... I don't really know why but for me Cordova CLI would throw "Error: Cannot read property 'name' of undefined" when specifying the target with quotes, I could only get it to work by running it like this cordova run ios --target=iPhone-6. Hope this saves someone else some trouble!
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How to zip a whole folder using PHP
...e content of the folder except important.txt". Also I advice you to always read code before execute it.
– Dador
Apr 21 '15 at 23:12
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DDD - the rule that Entities can't access Repositories directly
...ample: Chatroom user is not allowed to change their name to a name thats already been used by someone else. I'd like that rule to be built into by ChatUser entity, but its not very easy to do if you can't hit the repository from there. So what should I do?
– codeulike
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