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Import package.* vs import package.SpecificType [duplicate]
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import a.*;
import b.*;
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Foo f;
and class Foo exists in package a.
Now you check in your perfectly compiling code, and six months later, someone adds class Foo to package b. (Perhaps it's a third party lib that added classes in the latest version).
Poof! Now your code refuses to compile.
N...
Dependency injection through constructors or property setters?
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Of course, there are a few subclasses plus even more for unit tests, so now I am playing the game of going around altering all the constructors to match, and it's taking ages.
It makes me think that using properties with setters is a better way of getting dependencies. I don't think injected de...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
... on an exceedingly large codebase, and recently upgraded to gcc 4.3, which now triggers this warning:
24 Answers
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
...ill need to update the data in the child table (instead of deleting them).
Now, we can utilize Left Join to find all those rows in the child table, which does not have matching values in the parent table. Following query would be helpful to fetch those non-matching rows:
SELECT child_table.*
FROM c...
How do I change the language of moment.js?
...le('es')
Then use moment like you normally would
alert(moment(date).fromNow())
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How to make an AJAX call without jQuery?
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I know this is a fairly old question, but there is now a nicer API available natively in newer browsers. The fetch() method allow you to make web requests.
For example, to request some json from /get-data:
var opts = {
method...
What is the proper way to format a multi-line dict in Python?
...iously, I couldn't find an "authoritative" reference either. I'll let you know if I do! Perhaps someone should contact Guido.
– FogleBird
Jun 17 '11 at 19:00
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What is the difference between a strongly typed language and a statically typed language?
... CLU, F#, and Haskell it is yes. For C++ I am not sure—I would like to know.
By contrast, static typing means that programs are checked before being executed, and a program might be rejected before it starts. Dynamic typing means that the types of values are checked during execution, and a poo...
SQLite with encryption/password protection
...not used in the normal distribution, but here are a few implementations I know of:
SEE - The official implementation.
wxSQLite - A wxWidgets style C++ wrapper that also implements SQLite's encryption.
SQLCipher - Uses openSSL's libcrypto to implement.
SQLiteCrypt - Custom implementation, modified ...
Local dependency in package.json
...e copied ..." does not seem to be the case with a more recent npm version. Now, a symlink is created.
– tsauerwein
Mar 19 '19 at 8:12
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