大约有 47,700 项符合查询结果（耗时：0.0787秒） [XML]
Setting the default Java character encoding
...r main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached.
As Edward Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can be used to specify...
cartesian product in pandas
I have two pandas dataframes:
11 Answers
11
...
moment.js - UTC gives wrong date
...ded, the time defaults to midnight.
In your code, you create a local date and then convert it to the UTC timezone (in fact, it makes the moment instance switch to UTC mode), so when it is formatted, it is shifted (depending on your local time) forward or backwards.
If the local timezone is UTC+N (...
Foreach loop, determine which is the last iteration of the loop
I have a foreach loop and need to execute some logic when the last item is chosen from the List , e.g.:
26 Answers
...
Rake just one migration
...
rake db:migrate:redo VERSION=xxxxxxx, but that will run the down and then the up step. You could do this in conjunction with commenting out the down step temporarily.
share
|
improve this ...
Get an object's class name at runtime
...\w+/g)[1];
The above code gets the entire constructor code as a string and applies a regex to get all 'words'. The first word should be 'function' and the second word should be the name of the class.
Hope this helps.
sh...
How can I access getSupportFragmentManager() in a fragment?
I have a FragmentActivity and I want to use a map fragment within it. I'm having a problem getting the support fragment manager to access it.
...
How can I lock a file using java (if possible)
...utStreamReader(in, charset)
) {
...
}
(Disclaimer: Code not compiled and certainly not tested.)
Note the section entitled "platform dependencies" in the API doc for FileLock.
share
|
improve ...
Uncaught ReferenceError: jQuery is not defined [duplicate]
...
What is jQuery is the first script on the page and there is an error anyway?
– Green
Jul 29 '13 at 3:33
...
Resize image in PHP
...0, 0, 0, 0, $newwidth, $newheight, $width, $height);
return $dst;
}
And you could call this function, like so...
$img = resize_image(‘/path/to/some/image.jpg’, 200, 200);
From personal experience, GD's image resampling does dramatically reduce file size too, especially when resampling ...