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Use 'import module' or 'from module import'?
...tem from the module you have to update your import statement
You lose context about foo. For example, it's less clear what ceil() does compared to math.ceil()
Either method is acceptable, but don't use from module import *.
For any reasonable large set of code, if you import * you will likely ...
GUI not working after rewriting to MVC
...ed in A Swing Architecture Overview. Based on this outline, the following example shows an MVC implementation of a much simpler game that illustrates similar principles. Note that the Model manages a single Piece, chosen at random. In response to a user's selection, the View invokes the check() meth...
What's the difference between “declare class” and “interface” in TypeScript
... an implements clause.
declare class is for when you want to describe an existing class (usually a TypeScript class, but not always) that is going to be externally present (for example, you have two .ts files that compile to two .js files and both are included via script tags in a webpage). If you ...
How to get error message when ifstream open fails
...hreaded application, if another system call triggers an error between the execution of the f.open and use of errno.
On system with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
value in any other thread.
Edit (thanks to Arne Mertz and other people i...
In AngularJS, what's the difference between ng-pristine and ng-dirty?
... reset a form to pristine state (please note that this is an AngularJS 1.1.x feature).
If you want a $scope.form.$setPristine()-ish behavior even in 1.0.x branch of AngularJS, you need to roll your own solution (some pretty good ones can be found here). Basically, this means iterating over all form...
What exactly is Type Coercion in Javascript?
What exactly is type coercion in Javascript?
10 Answers
10
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Why is f(i = -1, i = -1) undefined behavior?
I was reading about order of evaluation violations , and they give an example that puzzles me.
11 Answers
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Git cherry pick vs rebase
...anges a developer has in their private repository, created against version X of some upstream branch, to version Y of that same branch (Y > X). This effectively changes the base of that series of commits, hence "rebasing".
(It also allows the developer to transplant a series of commits onto any...
encryption/decryption with multiple keys
...multi-key encryption in standard.
The following command will encrypt doc.txt using the public key for Alice and the public key for Bob. Alice can decrypt using her private key. Bob can also decrypt using his private key.
gpg --encrypt --recipient alice@example.com \
--recipient bob@example.com...
Is it worth hashing passwords on the client side
...sword on the client side is only just better than submitting it as plain text to the server. Someone, who can listen for your plain text passwords is certainly also able to listen for hashed passwords, and use these captured hashes him/herself to authenticate against your server.
For this matter, m...