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How to check null objects in jQuery
...2) Because people look at code and this answer is pretty high up the list: For the last couple of years, I have been using this small plugin:
jQuery.fn['any'] = function() {
return (this.length > 0);
};
I think $('div').any() reads better than $('div').length, plus you won't suffer as...
How to delete an object by id with entity framework
It seems to me that I have to retrieve an object before I delete it with entity framework like below
9 Answers
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...
Most compilers have their own specifier for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd.
You could create a macro:
#if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW...
How to use mod operator in bash?
...
Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); done
The $(( )) syntax does an arithmetic evaluation of the contents.
...
Mixin vs inheritance
...ence".
The detail is that a mixin is rarely useful as a standalone object.
For example, say you have a mixin named "ColorAndDimension", which adds a color property and width and height.
Now, you could add ColorAndDimension to a, say, Shape class, a Sprite class, a Car class, etc. And they will all h...
Fastest method to replace all instances of a character in a string [duplicate]
...l instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression?
14 Answers
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In Python, what is the difference between “.append()” and “+= []”?
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For your case the only difference is performance: append is twice as fast.
Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more informat...
How can I pass a member function where a free function is expected?
...* to your function taking function pointers and call your member through a forwarding function which obtains an object from the void* and then calls the member function.
In a proper C++ interface you might want to have a look at having your function take templated argument for function objects to u...
multiple prints on the same line in Python
...suming action in between (all in the same function / indentation level). Before the action starts, there is no output at all and after it is finished the output appears as whole
– Paddre
Feb 20 '15 at 15:08
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How to change the Eclipse default workspace?
... Hi, what should I do if want to change the root directory of eclipse (for file handing in java)?
– Dhruv Singhal
Aug 3 '18 at 13:59
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