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What does href expression do?
...ef used in webpages from time to time. However, I don't understand what this is trying to do or the technique. Can someone elaborate please?
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Throw keyword in function's signature
What is the technical reason why it is considered bad practice to use the C++ throw keyword in a function signature?
7 An...
Difference Between Cohesion and Coupling
What is the difference between cohesion and coupling?
16 Answers
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__FILE__ macro shows full path
...redefined macro __FILE__ available in C shows the full path to the file. Is there any way to short the path? I mean instead of
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In WPF, what are the differences between the x:Name and Name attributes?
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There really is only one name in XAML, the x:Name. A framework, such as WPF, can optionally map one of its properties to XAML's x:Name by using the RuntimeNamePropertyAttribute on the class that designates one of the classes properties as...
How to determine if a number is a prime with regex?
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You said you understand this part, but just to emphasize, the String generated has a length equal to the number supplied. So the string has three characters if and only if n == 3.
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The first part of the regex says, "any character, zero or one tim...
JQuery - $ is not defined
...at error can only be caused by one of three things:
Your JavaScript file is not being properly loaded into your page
You have a botched version of jQuery. This could happen because someone edited the core file, or a plugin may have overwritten the $ variable.
You have JavaScript running before th...
Python: Check if one dictionary is a subset of another larger dictionary
...om filter method that takes an arbitrary number of kwargs and returns a list containing the elements of a database-like list that contain those kwargs .
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Is there a way to detect if an image is blurry?
I was wondering if there is a way to determine if an image is blurry or not by analyzing the image data.
12 Answers
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When would you use a WeakHashMap or a WeakReference?
The use of weak references is something that I've never seen an implementation of so I'm trying to figure out what the use case for them is and how the implementation would work. When have you needed to use a WeakHashMap or WeakReference and how was it used?
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