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When is a language considered a scripting language? [closed]
...x), Nitro (Safari), Carakan (Opera) all compile JavaScript to bytecode and then some of the bytecode is interpreted and some compiled to native code. V8 (Chrome) skips bytecode and compiles JavaScript straight to native code. IronJS compiles JavaScript to CIL bytecode. Rhino compiles JavaScript to J...
How to change node.js's console font color?
... Colors has that now: var colors = require('colors/safe'); and then use colors.red('left string all alone')
– Laoujin
Apr 29 '15 at 20:20
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Manually raising (throwing) an exception in Python
...ight want to, for example, log that a specific type of error happened, and then re-raise. The best way to do this while preserving the stack trace is to use a bare raise statement. For example:
logger = logging.getLogger(__name__)
try:
do_something_in_app_that_breaks_easily()
except AppError a...
Multiple Inheritance in C#
...I've said, there are no language constructs for it beyond that yet.
Until then you are stuck with Proxy objects and multiple Interfaces instead :(
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Handling specific errors in JavaScript (think exceptions)
...ib', 'errors'));
Use:
function doTheCheck = () =>
checkInputData().then(() => {
return Promise.resolve();
}).catch(err => {
return Promise.reject(new InputError(err));
});
};
Calling code external:
doTheCheck.then(() => {
res.send('Ok');
}).catch(err => {
if (e...
Can you build dynamic libraries for iOS and load them at runtime?
...de and load it (think plug-in). This could get compromised by a hacker and then having malicious code executing on your phone is a very bad thing. It would also make it possible to add unapproved features to an approved app. In short: in this environment, Apple considers dynamic linking to be a Pand...
How to check if a file is a valid image file?
... @Ben Blank: True, but solving a problem 99% of the way is often better then not solving it at all.
– Brian R. Bondy
May 20 '09 at 21:14
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Copy a variable's value into another
...ing. But if your object contains other objects or arrays nested inside it, then a shallow copy doesn't copy those nested objects, it merely creates references to them. So you could have the same problem with nested objects that you had with your top-level object. For example, given this object:
var...
Overriding superclass property with different type in Swift
...the snippet above). If one cannot change the source code in the superclass then its probably best to destroy the current RaceCar and create a new RaceCar every time the chassis needs to be mutated.
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How to create relationships in MySQL
...GN KEY account_id references accounts (account_id) on delete cascade
}
Then if you have a customer_id and want the account info, you join on customersaccounts and accounts:
SELECT a.*
FROM customersaccounts ca
INNER JOIN accounts a ca.account_id=a.account_id
AND ca.custo...