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How to count TRUE values in a logical vector
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@YossiFarjoun Yes, and it's in my answer. This are examples why it won't work. My sollution is sum(z, na.rm = TRUE)
– Marek
May 21 '19 at 13:36
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C++ Dynamic Shared Library on Linux
...ain(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy = (void (*)(MyClass*))dlsym(handle, "destroy_object");
My...
Cannot use ref or out parameter in lambda expressions
...ld need to be visible on the ref parameter itself. Both within the method and in the caller.
These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions.
share
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How to prevent XSS with HTML/PHP?
How do I prevent XSS (cross-site scripting) using just HTML and PHP?
9 Answers
9
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Displaying Windows command prompt output and redirecting it to a file
How can I run a command-line application in the Windows command prompt and have the output both displayed and redirected to a file at the same time?
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Generating a list of which files changed between hg versions
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hg status --rev x:y
where x and y are desired revision numbers (or tag or branch names).
If you are using the terminal in windows add hg status --rev x:y> your-file.txt to save the list to a file.
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Remove a cookie
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I understand that this is an example, but please never ever store username or password in cookies.
– tamasd
Feb 10 '14 at 15:56
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window.location.reload with clear cache [duplicate]
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does it work for android webkit browser?
– prongs
Mar 29 '12 at 7:44
24
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Running a Python script from PHP
I'm trying to run a Python script from PHP using the following command:
9 Answers
9
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
What is the difference between the remap , noremap , nnoremap and vnoremap mapping commands in Vim?
3 Answers
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