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No connection could be made because the target machine actively refused it?
...topping you.
If it happens occasionally - you used the word "sometimes" - and retrying succeeds, it is likely because the server has a full 'backlog'.
When you are waiting to be accepted on a listening socket, you are placed in a backlog. This backlog is finite and quite short - values of 1, 2 or...
How to encode a URL in Swift [duplicate]
...3.0
var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India"
let escapedAddress = address.addingPercentEncoding(withAllowedCharacters: CharacterSet.urlQueryAllowed)
let urlpath = String(format: "http://maps.googleapis.com/maps/api/geocode/json?address=\(escapedAd...
How to do ssh with a timeout in a script?
... is taking an infinite time to run, I want to come out of that ssh session and continue other lines in my sh script.
6 Answ...
How can you get the Manifest Version number from the App's (Layout) XML variables?
...ds that could be done.
The version could be stored in a resource string, and placed into the manifest by:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.somepackage"
android:versionName="@string/version" android:versionCode="20">
One could creat...
How to find the size of an array in postgresql
...ikely) and are running PostgreSQL 9.4 or higher, you can use cardinality:
SELECT cardinality(id) FROM example;
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Further understanding setRetainInstance(true)
...stance(true) on a Fragment ? The documentation is virtually non-existent and this seems like a very important function. Specifically I want to know how much of this sequence (that I made up) is true:
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How to make an alert dialog fill 90% of screen size?
I can create and display a custom alert dialog just fine but even so I have android:layout_width/height="fill_parent" in the dialog xml it is only as big as the contents.
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How is null + true a string?
...solution rules of §7.5.3 are applied to the set of candidate operators to select the best operator with respect to the argument list (x, y), and this operator becomes the result of the overload resolution process. If overload resolution fails to select a single best operator, a binding-time error o...
Smallest data URI image possible for a transparent image
...a transparent 1x1 image with a background image, to be able to use sprites and still provide alternative text for some icons.
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Garbage collector in Android
I have seen many Android answers that suggest calling the garbage collector in some situations.
11 Answers
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