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When to use an assertion and when to use an exception
...nd any validation data / requests / whatever provided by users or external services.
The following code from your question is bad style and potentially buggy
try {
group = service().getGroup("abc");
} catch (Exception e) {
//i dont log error because i know whenever error occur mean grou...
Android global variable
...te static FavoriteColorsApplication application;
private FavoriteColorsService service;
public FavoriteColorsApplication getInstance() {
return application;
}
@Override
public void onCreate() {
super.onCreate();
application = this;
application.in...
Java executors: how to be notified, without blocking, when a task completes?
Say I have a queue full of tasks which I need to submit to an executor service. I want them processed one at a time. The simplest way I can think of is to:
...
How to run a shell script at startup
...st few hours hitting my head against the wall while I was trying to make a service, but nothing worked. Tried this, works like a charm!
– Marko Grešak
Jun 1 '15 at 3:57
...
Erlang's 99.9999999% (nine nines) reliability
...r over 20 years. It represents the total time over those 20 years that the service provided by the AXD301 system was ever offline. Subtle difference. As Joe Armstrong says here:
The AXD301 has achieved a NINE nines reliability (yes, you read that right, 99.9999999%). Let’s put this in context: 5 ...
What's the most concise way to read query parameters in AngularJS?
...oby'}
EDIT: You can also get and set query parameters with the $location service (available in ng), particularly its search method: $location.search().
$routeParams are less useful after the controller's initial load; $location.search() can be called anytime.
...
AngularJS: How to run additional code after AngularJS has rendered a template?
...e an Angular template in the DOM. When my controller gets new data from a service, it updates the model in the $scope, and re-renders the template. All good so far.
...
What makes a keychain item unique (in iOS)?
...ssword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class kSecClassInternetPassword, the primary key is the combination of kSecAttrAccount, kSecAttrSecurityDomain, kSecAttrServer, kSecAttrProtocol, kSecAttrAuthenticationType, kSecAttrPort and kS...
Amazon SimpleDB vs Amazon DynamoDB
...oDB description it seems to be almost the same: a NoSQL Key-value store service.
9 Answers
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Android check internet connection [duplicate]
...kConnected() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnected();
}
in manifest,
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE...