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What's the best way to convert a number to a string in JavaScript? [closed]
...est" way to convert a number to a string (in terms of speed advantage, clarity advantage, memory advantage, etc) ?
23 Answe...
How to avoid null checking in Java?
...m that junior to intermediate developers tend to face at some point: they either don't know or don't trust the contracts they are participating in and defensively overcheck for nulls. Additionally, when writing their own code, they tend to rely on returning nulls to indicate something thus requirin...
Run cron job only if it isn't already running
...e daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do what I'm looking for...
...
When to use self over $this?
...atic_member;
}
}
new X();
?>
Here is an example of polymorphism with $this for member functions:
<?php
class X {
function foo() {
echo 'X::foo()';
}
function bar() {
$this->foo();
}
}
class Y extends X {
function foo() {
echo 'Y::foo()';...
How using try catch for exception handling is best practice
...cation.ThreadException event, then decide :
For a UI application: to pop it to the user with an apology message (winforms)
For a Service or a Console application: log it to a file (service or console)
Then I always enclose every piece of code that is run externally in try/catch :
All events f...
Iterating through a list in reverse order in java
... for loop is much cleaner than keeping track of indexes, or using an explicit iterator.
15 Answers
...
Deep null checking, is there a better way?
...a new operation "?." to the language that has the semantics you want. (And it has been added now; see below.) That is, you'd say
cake?.frosting?.berries?.loader
and the compiler would generate all the short-circuiting checks for you.
It didn't make the bar for C# 4. Perhaps for a hypothetical f...
How do pointer to pointers work in C?
...
Let's assume an 8 bit computer with 8 bit addresses (and thus only 256 bytes of memory). This is part of that memory (the numbers at the top are the addresses):
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69
+-...
Biggest advantage to using ASP.Net MVC vs web forms
...of concerns(SoC).
Enables Test Driven Development (TDD).
Easy integration with JavaScript frameworks.
Following the design of stateless nature of the web.
RESTful urls that enables SEO.
No ViewState and PostBack events
The main advantage of ASP.net Web Form are:
It provides RAD development
Eas...
WAMP/XAMPP is responding very slow over localhost
...stalled WAMP. Still, accessing localhost is very, very slow, and sometimes it doesn't even load at all. I even removed it and replaced it with XAMPP, but I still got the same result. What might possibly be the problem? Here's my current hosts file:
...