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How do I make a simple makefile for gcc on Linux?
...ave 5+ little test programs and you are editing one of 10 headers, you can then trust make to rebuild exactly those programs which were changed by your modifications.
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How to make a flat list out of list of lists?
...cuts posted so far. (l is the list to flatten.)
Here is the corresponding function:
flatten = lambda l: [item for sublist in l for item in sublist]
As evidence, you can use the timeit module in the standard library:
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' '[item for sublist in ...
Regarding 'main(int argc, char *argv[])' [duplicate]
...you would write it like this:
int // Specifies that type of variable the function returns.
// main() must return an integer
main ( int argc, char **argv ) {
// code
return 0; // Indicates that everything went well.
}
If your program does not require any arguments, it is equally va...
Recommended website resolution (width and height)? [closed]
...owser display in 2008:
http://www.w3schools.com/browsers/browsers_display.asp
About 50% users are still using 1024x768. If you want your site to look nice in high resolutions use flexible layout.
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How dangerous is it to access an array out of bounds?
...an sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program sometimes crashes, but sometimes just runs, only giving unexpected res...
Python - Create a list with initial capacity
...quired - if you want to pre-allocate some space, just make a list of None, then assign data to list elements at will. Either way it takes more time to generate data than to append/extend a list, whether you generate it while creating the list, or after that. But if you want a sparsely-populated list...
Get nodes where child node contains an attribute
... the //book[title[@lang='it']] on <root>[Your"XML"Here]</root> then the free online xPath testers such as one here will find the expected result.
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Getting image dimensions without reading the entire file
...on where dimensions are 16-bit; plus height can be negative (drop the sign then). As for JPEG - 0xC0 isn't the only header. Basically all of 0xC0 to 0xCF except 0xC4 and 0xCC are valid headers (you can easily get them in interlaced JPGs). And, to make things more fun, height can be 0 and specified l...
Submitting HTML form using Jquery AJAX
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@harshvchawla of course, but then your select query for the variables pulled from the html element is different
– abc123
Sep 25 '18 at 20:20
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How to make CSS width to fill parent?
...u can always specifiy a width by using display: block; in your css for it. Then it will follow the same rendering rules as the div.
td#foo will be rendered as a table-cell which has some craziness to it. Bottom line here is that for your purposes its going to act just like div#foo as far as restric...