大约有 45,000 项符合查询结果（耗时：0.0617秒） [XML]
Should programmers use SSIS, and if so, why? [closed]
As a .NET developer, for what reasons should I prefer SSIS packages over writing code? We have a ton of packages in production where I currently work, and they're a nightmare to both "write" (perhaps draw?) and maintain. Each package looks like a bowl of multicolored spaghetti with C# and VB.NET s...
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()';...
Read entire file in Scala?
...and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.)
18 Answers...
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...
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...
Clearing using jQuery
Is it possible to clear an <input type='file' /> control value with jQuery? I've tried the following:
27 Answers
...
What's the difference between passing by reference vs. passing by value?
...wer meaning than the general term "reference" (because the phrase predates it).
Now, the authentic definition is:
When a parameter is passed by reference, the caller and the callee use the same variable for the parameter. If the callee modifies the parameter variable, the effect is visible to t...
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 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...