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What is the difference between class and instance attributes?
...ferred to. In the instance-attribute-set-at-instantiation, there can be multiple objects referred to. For instance
>>> class A: foo = []
>>> a, b = A(), A()
>>> a.foo.append(5)
>>> b.foo
[5]
>>> class A:
... def __init__(self): self.foo = []
>>&...
Using an if statement to check if a div is empty
... {
return !$.trim(this.html()).length;
};
}(jQuery));
Use :
<div id="selector"></div>
if($("#selector").checkEmpty()){
console.log("Empty");
}else{
console.log("Not Empty");
}
share
...
How to add test coverage to a private constructor?
...remember every "flaw count" in every project. How to make sure the 7/9 result is Cobertura limitation, and not programmer's? A new programmer must enter every failure (that can be a lot in large projects) to check class-by-class.
– Eduardo Costa
Dec 6 '11 at 14...
How to convert a byte array to a hex string in Java?
...{
char[] hexChars = new char[bytes.length * 2];
for (int j = 0; j < bytes.length; j++) {
int v = bytes[j] & 0xFF;
hexChars[j * 2] = HEX_ARRAY[v >>> 4];
hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
}
return new String(hexChars);
}
My own tiny...
Min/Max of dates in an array?
.../05 00:00:00". 1) as strings: ("2011/06/05"==="2011/06/05 00:00:00") : result is false; 2) as Date objects (with convertion to number): Number(new Date("2011/06/05"))===Number(new Date("2011/06/05 00:00:00")) : result is true - is a right result!
– Andrew D.
Au...
How can I calculate an md5 checksum of a directory?
...
@zim2001: Yes, it could be altered, but as I understood the problem (especially due to the OP's comment under the question), the OP wanted any two directories to be considered equal if the contents of the files were identical regardless of filename or e...
initializing a Guava ImmutableMap
...V can be different types.
You want an ImmutableMap.Builder:
ImmutableMap<String,String> myMap = ImmutableMap.<String, String>builder()
.put("key1", "value1")
.put("key2", "value2")
.put("key3", "value3")
.put("key4", "value4")
.put("key5", "value5")
.put("k...
How do I enable C++11 in gcc?
...m trying to compile a C++ program which uses the to_string function in <string> . I need to use the flag -std=c++11 every time:
...
How exactly does the callstack work?
...from the base pointer; It's simple pointer arithmetic.
Example
#include <iostream>
int main()
{
char c = std::cin.get();
std::cout << c;
}
gcc.godbolt.org gives us
main:
pushq %rbp
movq %rsp, %rbp
subq $16, %rsp
movl std::cin, %edi
call st...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
...id func(unsigned number, const int version)
{
unsigned tmp;
std::cout << number << std::endl;
}
There might be a situation, when you need to use this function as a handler - which (imho) is quite common in C++ Boost library. Then you need the second formal parameter version, so the...