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Why should eval be avoided in Bash, and what should I use instead?
...println. We could, of course, just redirect the output of println on each call, but for the sake of example, we're not going to do that. We'll need to use eval, since variables can't be used to redirect output.
function println
{
eval printf "$2\n" "${@:3}" $1
}
function error
{
println ...
What exactly is an Assembly in C# or .NET?
...
An assembly is the compiled output of your code, typically a DLL, but your EXE is also an assembly. It's the smallest unit of deployment for any .NET project.
The assembly typically contains .NET code in MSIL (Microsoft Intermediate language) that will be compiled to native co...
Meaning of 'const' last in a function declaration of a class?
...ature which means that you can implement two similar methods, one which is called when the object is const, and one that isn't.
#include <iostream>
class MyClass
{
private:
int counter;
public:
void Foo()
{
std::cout << "Foo" << std::endl;
}
void...
jQuery SVG, why can't I addClass?
...if you don't want to depend on jQuery:
var element = document.getElementById("item");
// Instead of .addClass("newclass")
element.setAttribute("class", "oldclass newclass");
// Instead of .removeClass("newclass")
element.setAttribute("class", "oldclass");
...
What are some methods to debug Javascript inside of a UIWebView?
...performSelector:@selector(_enableRemoteInspector)]; Remember to remove the call when you build for release!
– rpitting
Apr 3 '12 at 13:58
...
How to read and write excel file
...s deprecated I think I have to use int instead.
– DavidVdd
Nov 7 '12 at 16:21
4
in fact, just rem...
How do emulators work and how are they written? [closed]
...ter.
With interpretation, you start at the IP (instruction pointer -- also called PC, program counter) and read the instruction from memory. Your code parses this instruction and uses this information to alter processor state as specified by your processor. The core problem with interpretation is ...
Computed read-only property vs function in Swift
... when only a simple value is returned. That way I can easily see whether a call is cheap (properties) or possibly expensive (functions).
We will probably get more clarity when Apple publishes some Swift coding conventions.
...
What is a “static” function in C?
...on. For (C++/Java/...) class methods, static means that this method can be called on the class itself, no instance of that class necessary.
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How to check if object has any properties in JavaScript?
...ct(obj) {
for(var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
return false;
}
}
return true;
}
isEmptyObject({}); // true
isEmptyObject({foo:'bar'}); // false
The hasOwnProperty method call directly on the Object.prototype is only to add little more ...