大约有 43,100 项符合查询结果（耗时：0.0665秒） [XML]
Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...
130
Found this on a different forum
If you're wondering why that leading zero is important, it...
How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
...
214
The proper function is int fileno(FILE *stream). It can be found in <stdio.h>, and is a P...
How to copy directories in OS X 10.7.3?
...
251
Is there something special with that directory or are you really just asking how to copy directo...
Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
...
141
It's the one in the middle : BASE.
In fact, BASE is not the common ancestor, but the half-fin...
Call to undefined method mysqli_stmt::get_result
...
10 Answers
10
Active
...
How to round up a number to nearest 10?
How can we round off a number to the nearest 10 in php?
16 Answers
16
...
How to set RelativeLayout layout params in code not in xml?
...dRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
Button button1;
button1.setLayoutParams(params);
params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.RIGHT_OF, button1.getId());
Butt...
Spring schemaLocation fails when there is no internet connection
...
18 Answers
18
Active
...
data.table vs dplyr: can one do something well the other can't or does poorly?
... some powerful features, all while maintaining the consistency in syntax.
1. Speed
Quite a few benchmarks (though mostly on grouping operations) have been added to the question already showing data.table gets faster than dplyr as the number of groups and/or rows to group by increase, including ben...
What does PHP keyword 'var' do?
...t will raise an E_STRICT warning in PHP from version 5.0.0 up to version 5.1.2, as of when it was deprecated. Since PHP 5.3, var has been un-deprecated and is a synonym for 'public'.
Example usage:
class foo {
var $x = 'y'; // or you can use public like...
public $x = 'y'; //this is also a...