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How to find Unused Amazon EC2 Security groups
...can't easily (might not even be possible) to delete active security groups if you miss one associated w/another service.
Using the newer AWS CLI tool, I found an easy way to get what I need:
First, get a list of all security groups
aws ec2 describe-security-groups --query 'SecurityGroups[*].GroupId'...
Running python script inside ipython
...ere); as you note, it just looks in the current directory, appending ".py" if necessary.
There doesn't seem to be a way to specify which file finder to use from the %run magic, but there's nothing to stop you from defining your own magic command that calls into %run with an appropriate file finder....
导盲项目：什么场景非得用相机预览？按杖上按钮或定时拍照，识别后语音提醒...
...
global 就绪 = false
global 忙碌 = false
procedure 请求拍照() {
if (就绪 and not 忙碌) {
忙碌 = true
标签_状态.Text = "拍照中…"
实时预览录制1.CapturePhoto()
}
}
when Screen1.Initialize() {
Screen1.AskForPermission("android.permission.CAMERA")
}
when ...
PHP CURL DELETE request
...
I finally solved this myself. If anyone else is having this problem, here is my solution:
I created a new method:
public function curl_del($path)
{
$url = $this->__url.$path;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
cur...
How to programmatically close a JFrame
What's the correct way to get a JFrame to close, the same as if the user had hit the X close button, or pressed Alt + F4 (on Windows)?
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Elevating process privilege programmatically?
...follows:
startInfo.Verb = "runas";
This will cause Windows to behave as if the process has been started from Explorer with the "Run as Administrator" menu command.
This does mean the UAC prompt will come up and will need to be acknowledged by the user: if this is undesirable (for example because...
Remove CSS “top” and “left” attributes with jQuery
...y removing the style attribute:
$('.map').removeAttr('style');
However, if you're using other jQuery UI components, those may require inline styles that you don't want to be removed, so proceed with caution there.
share
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How to add a footer to a UITableView in Storyboard
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Note that you can only do this if you have more than 0 prototype cells specified. Otherwise, the dragged-in view always becomes the header. To fix this, change the number of prototype cells to 1, drag in the view underneath the one prototype cell, then c...
Convert int to char in java
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will print out the char with ascii value 49 (one corresponding to '1')
If you want to convert a digit (0-9), you can add 48 to it and cast, or something like Character.forDigit(a, 10);.
If you want to convert an int as in ascii value, you can use Character.toChars(48) for example.
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Difference between staticmethod and classmethod
What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ?
27 Answers
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