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How can I sort a List alphabetically?
...untryNames, Collator.getInstance());
Solution with a TreeSet
If you are free to decide, and if your application might get more complex, then you might change your code to use a TreeSet instead. This kind of collection sorts your entries just when they are inserted. No need to call sort().
Collec...
How to watch for a route change in AngularJS?
...
i am learning angular. so i need to know what kind of info we can get from event, next, current argument ?
– Monojit Sarkar
May 10 '17 at 20:27
add a comm...
How to get the build/version number of your Android application?
...
Use:
try {
PackageInfo pInfo = context.getPackageManager().getPackageInfo(getPackageName(), 0);
String version = pInfo.versionName;
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
And you can get the version...
MySQL select one column DISTINCT, with corresponding other columns
... @Full Decent you can't, according to MySQL documentation: "The server is free to choose any value from each group, so unless they are the same, the values chosen are indeterminate.". In practice I've successfully used this kind of queries with ORDER BY clause, for instance you could add ORDER BY ...
log4net hierarchy and logging levels
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Number of levels recorded for each setting level:
ALL DEBUG INFO WARN ERROR FATAL OFF
•All
•DEBUG •DEBUG
•INFO •INFO •INFO
•WARN •WARN •WARN •WARN
•ERROR •ERROR •ERROR ...
How to add extra info to copied web text
...Older post - before the 2020 update]
There are two main ways to add extra info to copied web text.
1. Manipulating the selection
The idea is to watch for the copy event, then append a hidden container with our extra info to the dom, and extend the selection to it.
This method is adapted from this...
Is it safe to delete a NULL pointer?
...However, despite these abrogations of your draconian ownership rules, lock free structures are provably more robust than lock based ones. And yes, my co-workers do indeed love me for the enhanced execution profile these structures provide and the rigorous thread safety they maintain, which allow eas...
How to detect when WIFI Connection has been established in Android?
...lse {
// wifi connection was lost
}
}
}
For more info, see the documentation for BroadcastReceiver and WifiManager
Of course you should check whether the device is already connected to WiFi before this.
EDIT:
Thanks to ban-geoengineering, here's a method to check whether ...
GPL and LGPL open source licensing restrictions [closed]
...re must be released with a compatible license.
The GPL/LGPL licenses mean "free" as in "free speech", not "free beer". You can create a derivative work and sell it for large amounts of money, but you must comply with the GPL/LGPL.
...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
... to any allocated memory for which the Garbage Collector (GC) is unable to free up after the allocated memory has outlived its useful lifespan.
Most of the time, when a variable goes out of scope, the memory will be reclaimed by the GC. However, memory leaks can occur when the reference to an objec...