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What is Angular.noop used for?
...laceholder when you need to pass some function as a param.
function foo (callback) {
// Do a lot of complex things
callback();
}
// Those two have the same effect, but the later is more elegant
foo(function() {});
foo(angular.noop);
...
How to check internet access on Android? InetAddress never times out
...h (IOException e) { return false; }
}
+ very fast (either way), works on all devices, very reliable
- can't run on the UI thread
This works very reliably, on every device, and is very fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask).
Possible Question...
Difference between “read commited” and “repeatable read”
...n level of the .Net System.Transactions scope is serializable, and this usually explains the abysmal performance that results.
And finally, there is also the SNAPSHOT isolation level. SNAPSHOT isolation level makes the same guarantees as serializable, but not by requiring that no concurrent transac...
What's wrong with using $_REQUEST[]?
...a number of posts on here saying not to use the $_REQUEST variable. I usually don't, but sometimes it's convenient. What's wrong with it?
...
rsync: difference between --size-only and --ignore-times
...cp's the file. However, what if the metadata do match but files aren't actually the same? Then rsync probably didn't do what you intended.
Files that are the same size may still have changed. One simple example is a text file where you correct a typo -- like changing "teh" to "the". The file size i...
What does the “Just” syntax mean in Haskell?
...
It's actually just a normal data constructor that happens to be defined in the Prelude, which is the standard library that is imported automatically into every module.
What Maybe is, Structurally
The definition looks something like ...
What does “@private” mean in Objective-C?
... (id)init {
if (self = [super init]) {
other = [[MySecondClass alloc] init];
// Neither MyFirstClass nor MySecondClass provided any
// accessor methods, so if we're going to access any ivars
// we'll have to do it directly, like this:
other->publicNum...
android.view.InflateException: Binary XML file line #12: Error inflating class
...
The inflate exception is not actually the problem, but really comes from another deeper issue in your layout that is then wrapped in an InflateException.
A common issue is an out of memory exception when trying to inflate an imageview loading a drawable reso...
JSON left out Infinity and NaN; JSON status in ECMAScript?
...maScript if you do eval(jsonString) or JSON.parse(jsonString).
If it were allowed then someone could inject code akin to
NaN={valueOf:function(){ do evil }};
Infinity={valueOf:function(){ do evil }};
into a forum (or whatever) and then any json usage on that site could be compromised.
...
Flexbox: center horizontally and vertically
How to center div horizontally, and vertically within the container using flexbox. In below example, I want each number below each other (in rows), which are centered horizontally.
...