The declaration and initialization declares a pointer array and make it point to a constant array of 31 characters. The declaration and initialization declares an array of characters, containing 31 characters. And yes, the size of the arrays is 31, as it includes the terminating ‘\0’ character. Laid out in memory, it will be something like this for the … Read more
See the Windows PowerShell Language Specification Version 3.0, p34, sub-expressions expansion.
savefig specifies the DPI for the saved figure (The default is 100 if it’s not specified in your .matplotlibrc, have a look at the dpi kwarg to savefig). It doesn’t inheret it from the DPI of the original figure. The DPI affects the relative size of the text and width of the stroke on lines, etc. If you want … Read more
GET: with JSON: with XML: POST: For posting data: For file upload: RESTful HTTP Post: For logging into a site (auth):
Lists are a mutable type – in order to create a copy (rather than just passing the same list around), you need to do so explicitly: However, list is already the name of a Python built-in – it’d be better not to use that name for your variable. Here’s a version that doesn’t use list as a variable name, … Read more
Assuming you want the whole regex to ignore case, you should look for the i flag. Nearly all regex engines support it: Check the documentation for your language/platform/tool to find how the matching modes are specified. If you want only part of the regex to be case insensitive (as my original answer presumed), then you … Read more
Your http is being blocked by a firewall from F5 Networks called Application Security Manager (ASM). It produces messages like: Please consult with your administrator.Your support ID is: xxxxxxxxxxxx So your application is passing some data that for some reason ASM detects as a threat. Give the support id to you network engineer to learn … Read more
The scope of a variable is always the block it is inside. For example if you do something like The solution is to define y outside of the if blocks In your program you have to move the definition of y and c out of the if blocks into the higher scope. Your Function then … Read more
Python does not have a trailing if statement. There are two kinds of if in Python: if statement: if condition: statement if condition: block if expression (introduced in Python 2.5) expression_if_true if condition else expression_if_false And note, that both print a and b = a are statements. Only the a part is an expression. So … Read more
std::function is a type erasure object. That means it erases the details of how some operations happen, and provides a uniform run time interface to them. For std::function, the primary1 operations are copy/move, destruction, and ‘invocation’ with operator() — the ‘function like call operator’. In less abstruse English, it means that std::function can contain almost any object that acts like a function … Read more