大约有 43,000 项符合查询结果（耗时：0.0548秒） [XML]
How to assign from a function which returns more than one value?
... this purpose. For example within the function you would have
x = desired_return_value_1 # (vector, matrix, etc)
y = desired_return_value_2 # (vector, matrix, etc)
returnlist = list(x,y...)
} # end of function
main program
x = returnlist[[1]]
y = returnlist[[2]]
...
Inline instantiation of a constant List
...n List<T>.
private static readonly ReadOnlyCollection<string> _metrics =
new ReadOnlyCollection<string>(new[]
{
SourceFile.LOC,
SourceFile.MCCABE,
SourceFile.NOM,
SourceFile.NOA,
SourceFile.FANOUT,
...
Secure random token in Node.js
...oding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is
...
Case-insensitive string comparison in C++ [closed]
...
Take advantage of the standard char_traits. Recall that a std::string is in fact a typedef for std::basic_string<char>, or more explicitly, std::basic_string<char, std::char_traits<char> >. The char_traits type describes how characters compar...
What is Data Transfer Object?
... If I have model A and I need to pass it to two subsystems will there be A_DTO_1 and A_DTO_2 with the relevant fields of each? "DTOs can be to encapsulate parameters for method calls" --> So every class that wraps parameters is DTO even if this is not distributed system? Are't models in MVC th...
Export a graph to .eps file with R
... there is an error : graph margins too large...
– the_drug
Mar 1 '11 at 9:42
6
make the plot dime...
How to do scanf for single char in C [duplicate]
...mat. For example, if you input abc for an int such as: scanf("%d", &int_var); then abc will have to read and discarded. Consider:
#include <stdio.h>
int main(void)
{
int i;
while(1) {
if (scanf("%d", &i) != 1) { /* Input "abc" */
printf("Invalid input. Tr...
Xcode Debugger: view value of variable
...int "self.variable" directly, but you can use Andriy solution for printing _<variable's name>. For example: for self.btnHello write in the console "po _btnHello" (this only works if you haven't changed the getter method's name)
– LightMan
May 27 '13 at 15...
Export to CSV via PHP
...ay &$array)
{
if (count($array) == 0) {
return null;
}
ob_start();
$df = fopen("php://output", 'w');
fputcsv($df, array_keys(reset($array)));
foreach ($array as $row) {
fputcsv($df, $row);
}
fclose($df);
return ob_get_clean();
}
Then you can make your user...
PHP prepend associative array with literal keys?
...epend an associative array with literal key=>value pairs? I know that array_unshift() works with numerical keys, but I'm hoping for something that will work with literal keys.
...