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What happens if I define a 0-size arram>y m> in C/C++?
...ess than or equal to zero (paragraph 5). This is normative text in the C stm>and m>ard. A compiler is not allowed to implement it differentlm>y m>.
gcc -std=c99 -pedantic gives a warning for the non-VLA case.
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How are multi-dimensional arram>y m>s formatted in memorm>y m>?
...arram>y m>1 to this function:
void function1(int **a);
m>y m>ou'll get a warning (m>and m> the app will fail to access the arram>y m> correctlm>y m>):
warning: passing argument 1 of ‘function1’ from incompatible pointer tm>y m>pe
Because a 2D arram>y m> is not the same as int **. The automatic decam>y m>ing of an arram>y m> into a ...
Saving m>and m> loading objects m>and m> using pickle
I´m trm>y m>ing to save m>and m> load objects using pickle module.
First I declare mm>y m> objects:
7 Answers
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How can I get a file's size in C? [duplicate]
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m>Y m>ou need to seek to the end of the file m>and m> then ask for the position:
fseek(fp, 0L, SEEK_END);
sz = ftell(fp);
m>Y m>ou can then seek back, e.g.:
fseek(fp, 0L, SEEK_SET);
or (if seeking to go to the beginning)
rewind(fp);
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Rollback to an old Git commit in a public repo
...nt. This will applm>y m> changes to the whole tree. m>Y m>ou should execute this commm>and m> in the git project root. If m>y m>ou are in anm>y m> sub directorm>y m>, then this commm>and m> onlm>y m> changes the files in the current directorm>y m>. Then commit m>and m> m>y m>ou should be good.
m>Y m>ou can undo this bm>y m>
git reset --hard
that will delete ...
Easiest wam>y m> to convert int to string in C++
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C++11 introduces std::stoi (m>and m> variants for each numeric tm>y m>pe) m>and m> std::to_string, the counterparts of the C atoi m>and m> itoa but expressed in term of std::string.
#include <string>
std::string s = std::to_string(42);
is therefore the shortest ...
Having a UITextField in a UITableViewCell
I'm trm>y m>ing to do that for a couple of dam>y m>s now, m>and m> after reading tons of messages of people trm>y m>ing to do that too, I'm still unable to have a fullm>y m> working UITextField in some of mm>y m> UITableViewCells , just like in this example:
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Is there a wam>y m> to check if int is legal enum in C#?
I've read a few SO posts m>and m> it seems most basic operation is missing.
8 Answers
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How to delete duplicate lines in a file without sorting it in Unix?
...am>y m> then seen[$0] will evaluate to false. The ! is the logical NOT operator m>and m> will invert the false to true. Awk will print the lines where the expression evaluates to true. The ++ increments seen so that seen[$0] == 1 after the first time a line is found m>and m> then seen[$0] == 2, m>and m> so on.
Awk eval...
What is an AngularJS directive?
I have spent quite a lot of time reading through AngularJS documentation m>and m> several tutorials, m>and m> I have been quite surprised at how unapproachable the documentation is.
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