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Why do we need argc while there is always a null at the end of argv?
...cts), you can just omit the parameter name, like this C++ snippet (easy to convert to C):
#include <stdio.h> // C-compatible include, guarantees puts in global namespace
// program will print contents of argv, one item per line, starting from argv[0]
int main(int /*argc*/, char *argv[]) { /...
JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
...ng window.loadImage()
b - read exif tags using window.EXIF.getData()
c - convert the image to canvas and fix the image orientation using window.loadImage.scale()
d - place the canvas into the document
here you go :)
window.loadImage("/your-image.jpg", function (img) {
if (img.type === "erro...
What is the definition of “interface” in object oriented programming
...or. However, Java 8 introduced lambda expressions so the C# example can be converted to Java very easily (Func<int> becomes java.util.function.IntSupplier and => becomes ->).
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Saving images in Python at a very high quality
... require images in 1200 / 600 / 300 dpi depending on what the image is of. Convert to desired dpi and format in GiMP or Inkscape.
EDIT: Obviously the dpi doesn't matter since .svg are vector graphics and have "infinite resolution".
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Javascript equivalent of Python's zip function
...utput.
As parseInt's second argument is the base/number radix, to which to convert the number to, and since map passes the index as the second argument to its argument-function, a wrapper function is used.
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How to link to apps on the app store
...llowing rules to your company or app name:
Remove all whitespace
Convert all characters to lower-case
Remove all copyright (©), trademark (™) and registered mark (®) symbols
Replace ampersands ("&") with "and"
Remove most punctuation (See Listing 2 for the set)
...
Create RegExps on the fly using string variables
...e commonly you want to replace all occurrences, in which case, you have to convert the string into a global (/.../g) RegExp. You can do this from a string using the new RegExp constructor:
new RegExp(string_to_replace, 'g')
The problem with this is that any regex-special characters in the string ...
Create list of single item repeated N times
...t that can be used to create a list if you wish! Let's try that again, but converting to a list:
>>> timeit.timeit('list(itertools.repeat(0, 10))', 'import itertools', number = 1000000)
1.7508119747063233
So if you want a list, use [e] * n. If you want to generate the elements lazily, us...
Purpose of Unions in C and C++
...inter which cannot be used as a pointer of its own type, but must first be converted back to a pointer to the enclosing type or a character type. Any remotely-workable compiler will extend the language by making more things work than...
– supercat
Jun 28 '16 a...
Why the switch statement cannot be applied on strings?
...cpp/cpp_mfc/article.php/c4067/Switch-on-Strings-in-C.htm
Uses two maps to convert between the strings and the class enum (better than plain enum because its values are scoped inside it, and reverse lookup for nice error messages).
The use of static in the codeguru code is possible with compiler su...