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Is gcc 4.8 or earlier buggy about regular expressions?
...ng to use std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example:
3 Answers
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How do I capture response of form.submit
...ou won't be able to do this easily with plain javascript. When you post a form, the form inputs are sent to the server and your page is refreshed - the data is handled on the server side. That is, the submit() function doesn't actually return anything, it just sends the form data to the server.
If ...
How can I quantify difference between two images?
... and calculate an element-wise (pixel-by-pixel) difference. Calculate the norm of the difference.
Option 2: Load both images. Calculate some feature vector for each of them (like a histogram). Calculate distance between feature vectors rather than images.
However, there are some decisions to make ...
How to check if an object is a list or tuple (but not string)?
This is what I normally do in order to ascertain that the input is a list / tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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How to use double or single brackets, parentheses, curly braces
...eses, curly braces in Bash, as well as the difference between their double or single forms. Is there a clear explanation?
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Why does JQuery have dollar signs everywhere?
I am working on a project with quite a lot of JQuery in it. The JQuery has a lot of $ signs everywhere, for example
7 Answ...
When should we call System.exit in Java
In Java, What is the difference with or without System.exit(0) in following code?
10 Answers
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How do I pass a method as a parameter in Python
...em around the way you do variables. In fact, you can think about a method (or function) as a variable whose value is the actual callable code object.
Since you asked about methods, I'm using methods in the following examples, but note that everything below applies identically to functions (except wi...
RegEx: Smallest possible match or nongreedy match
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For a regular expression like .* or .+, append a question mark (.*? or .+?) to match as few characters as possible. To optionally match a section (?:blah)? but without matching unless absolutely necessary, use something like (...
How to return a part of an array in Ruby?
...very similar array-slicing syntax to Python. Here is the ri documentation for the array index method:
--------------------------------------------------------------- Array#[]
array[index] -> obj or nil
array[start, length] -> an_array or nil
array[ran...