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How to count the number of occurrences of an element in a List
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In Java 8:
Map<String, Long> counts =
list.stream().collect(Collectors.groupingBy(e -> e, Collectors.counting()));
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impr...
Fragment MyFragment not attached to Activity
...d onPostExecute(Void result){
if(isAdded()){
getResources().getString(R.string.app_name);
}
}
To avoid onPostExecute from being called when the Fragment is not attached to the Activity is to cancel the AsyncTask when pausing or stopping the Fragment. Then isAdded() would not be nec...
How to read attribute value from XmlNode in C#?
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Try this:
string employeeName = chldNode.Attributes["Name"].Value;
Edit: As pointed out in the comments, this will throw an exception if the attribute doesn't exist. The safe way is:
var attribute = node.Attributes["Name"];
if (attr...
Failed binder transaction when putting an bitmap dynamically in a widget
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See my answer in this
thread.
intent.putExtra("Some string",very_large_obj_for_binder_buffer);
You are exceeding the binder transaction buffer by transferring large element(s) from one activity to another activity.
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Query-string encoding of a Javascript Object
Do you know a fast and simple way to encode a Javascript Object into a string that I can pass via a GET Request?
40 Ans...
Are PostgreSQL column names case-sensitive?
...ame" = 'xyz';
Also fix the incorrect double-quotes around 'xyz'. Values (string literals) are enclosed in single quotes.
Read the manual here.
My standing advice is to use legal, lower-case names exclusively so double-quoting is not needed.
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How to convert `git:` urls to `http:` urls
...written to start, instead, with <base>. When more than one insteadOf strings match a given URL, the longest match is used.
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
..., and your [corrected] example is easily converted over.
The code below:
String[] name = {"tom", "dick", "harry"};
for(int i = 0; i< name.length; i++) {
System.out.print(name[i] + "\n");
}
...is equivalent to this:
String[] name = {"tom", "dick", "harry"};
for(String firstName : name) {
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Could not load file or assembly 'System.Data.SQLite'
... FileInfo fi = new FileInfo(dir.AbsolutePath);
string binFile = fi.Directory.FullName + "\\System.Data.SQLite.DLL";
if (!File.Exists(binFile)) File.Copy(GetAppropriateSQLLiteAssembly(), binFile, false);
}
private static string GetAppropriateSQ...
Python data structure sort list alphabetically
... are the very basics of programming in Python.
What you have is a list of strings. You can sort it like this:
In [1]: lst = ['Stem', 'constitute', 'Sedge', 'Eflux', 'Whim', 'Intrigue']
In [2]: sorted(lst)
Out[2]: ['Eflux', 'Intrigue', 'Sedge', 'Stem', 'Whim', 'constitute']
As you can see, words...