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How to delete a file from SD card?
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File file = new File(selectedFilePath);
boolean deleted = file.delete();
where selectedFilePath is the path of the file you want to delete - for example:
/sdcard/YourCustomDirectory/ExampleFile.mp3
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Saving a Numpy array as an image
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migasmigas
2,85122 gold badges1111 silver badges1515 bronze badges
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How to make PyCharm always show line numbers
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How did you miss it? Categorized as Appearance??! This is a must-have for most programmers and it's hidden where one would expect to find color schemes and such...
– jsh
Jul 14 '15 at 9:10
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How can I convert this foreach code to Parallel.ForEach?
... File.ReadAllLines(txtProxyListPath.Text);
List<string> list_lines = new List<string>(lines);
Parallel.ForEach(list_lines, line =>
{
//Your stuff
});
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How to scroll to bottom in a ScrollView on activity startup
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It needs to be done as following:
getScrollView().post(new Runnable() {
@Override
public void run() {
getScrollView().fullScroll(ScrollView.FOCUS_DOWN);
}
});
This way the view is first updated and then scrolls to the "new" bottom.
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Good introduction to the .NET Reactive Framework [closed]
...od 2 of 2
An Codeproject Article
Another course first blog with links (new)
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How to obtain the last path segment of a URI
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is that what you are looking for:
URI uri = new URI("http://example.com/foo/bar/42?param=true");
String path = uri.getPath();
String idStr = path.substring(path.lastIndexOf('/') + 1);
int id = Integer.parseInt(idStr);
alternatively
URI uri = new URI("http://example....
在MongoDB中模拟Auto Increment - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ay(
'init' => 1,
'step' => 1,
);
$instance = new Mongo();
$instance = $instance->selectCollection('_seq', 'seq');
$seq = $instance->db->command(array(
'findAndModify' => 'seq',
'query' => array('_id' => $namespace),
'upda...
Easiest way to flip a boolean value?
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Clearly you need a factory pattern!
KeyFactory keyFactory = new KeyFactory();
KeyObj keyObj = keyFactory.getKeyObj(wParam);
keyObj.doStuff();
class VK_F11 extends KeyObj {
boolean val;
public void doStuff() {
val = !val;
}
}
class VK_F12 extends KeyObj {
boolean v...
Some projects cannot be imported because they already exist in the workspace error in Eclipse
...port into Eclipse, change all the references in the project to reflect the new name, then create a new repo for it. (I did not want to branch) At this point, I'd get an error saying "Resource OldRepo\" already exists. .project isn't listed in the Package Explorer, so I didn't think of checking it. I...