大约有 13,350 项符合查询结果（耗时：0.0278秒） [XML]
How do I create directory if none exists using File class in Ruby?
... are not already present:
require 'fileutils'
dirname = File.dirname(some_path)
unless File.directory?(dirname)
FileUtils.mkdir_p(dirname)
end
Edit: Here is a solution using the core libraries only (reimplementing the wheel, not recommended)
dirname = File.dirname(some_path)
tokens = dirname....
Numpy: Get random set of rows from 2D array
...st, but this is what works best for me:
A[np.random.choice(A.shape[0], num_rows_2_sample, replace=False)]
change the replace=False to True to get the same thing, but with replacement.
share
|
im...
Split a string by another string in C#
....microsoft.com/en-us/dotnet/api/system.string.split?view=netcore-2.0#System_String_Split_System_String_System_StringSplitOptions_
share
|
improve this answer
|
follow
...
How to print struct variables in console?
...se2{
Page: 1,
Fruits: []string{"apple", "peach", "pear"}}
res2B, _ := json.Marshal(res2D)
fmt.Println(string(res2B))
That would print:
{"page":1,"fruits":["apple","peach","pear"]}
If you don't have any instance, then you need to use reflection to display the name of the field of a g...
MVC (Laravel) where to add logic
... or dwightwatson/validating for more information.
Magic Methods: I use the __get and __set methods of my models to hook into functionality where appropriate
Extending Eloquent: If there's an action you'd like to take on all update/create you can even extend eloquent and apply it to multiple models.
...
Is there a way to create a function from a string with javascript?
...github.com/reduardo7/sjsClass
Example
Class.extend('newClassName', {
__constructor: function() {
// ...
}
});
var x = new newClassName();
// Next is TRUE
newClassName.name === 'newClassName'
share
...
Is there a way to programmatically scroll a scroll view to a specific edit text?
...
private final void focusOnView(){
your_scrollview.post(new Runnable() {
@Override
public void run() {
your_scrollview.scrollTo(0, your_EditBox.getBottom());
}
});
}
...
Defining an array of anonymous objects in CoffeeScript
...underscore, variable used to omit not used variables:
a =
items: [
_ =
name: 'value1'
_ =
name: 'value2'
]
console.log JSON.stringify(a) will produce this:
{
"items":[
{
"name":"value1"
},{
"name":"value2"
}
]
}
...
Converting an object to a string
...bject to real state from "[object Object]"..
– techie_28
May 18 '16 at 6:08
JSON.stringify is not suitable for all cas...
OS X: equivalent of Linux's wget
...p;& make -j8 && make install
Or, use a bash alias:
function _wget() { curl "${1}" -o $(basename "${1}") ; };
alias wget='_wget'
share
|
improve this answer
|
...