大约有 40,000 项符合查询结果（耗时：0.0722秒） [XML]
What is __pycache__?
...'s files, respectively.
As a programmer, you can largely just ignore it... All it does is make your program start a little faster. When your scripts change, they will be recompiled, and if you delete the files or the whole folder and run your program again, they will reappear (unless you specificall...
Open application after clicking on Notification
... notificationManager = (NotificationManager) context
.getSystemService(Context.NOTIFICATION_SERVICE);
Notification notification = new Notification(icon, message, when);
Intent notificationIntent = new Intent(context, HomeActivity.class);
notificationIntent.setFlags(Intent.F...
How do I find out if the GPS of an Android device is enabled
...he following:
final LocationManager manager = (LocationManager) getSystemService( Context.LOCATION_SERVICE );
if ( !manager.isProviderEnabled( LocationManager.GPS_PROVIDER ) ) {
buildAlertMessageNoGps();
}
private void buildAlertMessageNoGps() {
final AlertDialog.Builder bu...
How to avoid circular imports in Python? [duplicate]
....py
Types of circular import problems
Circular import dependencies typically fall into two categories depending
on what you're trying to import and where you're using it inside each
module. (And whether you're using python 2 or 3).
1. Errors importing modules with circular imports
In some cases...
Alternative to google finance api [closed]
...%09%09&env=http%3A%2F%2Fdatatables.org%2Falltables.env
2. Use the webservice
For example, to get all stock quotes in XML:
http://finance.yahoo.com/webservice/v1/symbols/allcurrencies/quote
To get all stock quotes in JSON, just add format=JSON to the end of the URL:
http://finance.yahoo.co...
Delete directory with files in it?
I wonder, what's the easiest way to delete a directory with all its files in it?
33 Answers
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Set up DNS based URL forwarding in Amazon Route53 [closed]
I'm trying to setup forwarding in Amazon Route53. My last DNS service (Nettica) allowed me to route requests to "aws.example.com" to "https://myaccount.signin.aws.amazon.com/console/".
...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
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MbUnit under Linux, used within an F# project?
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How to modify a global variable within a function in bash?
...alise that if you just run the function without assigning it to a variable all the global variables within it will update. Instead of returning a string array, why not just update the string array in the function then assign it to another variable after the function has finished ?
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