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How to declare global variables in Android?

...ple, with caveats to follow: class MyApp extends Application { private String myState; public String getState(){ return myState; } public void setState(String s){ myState = s; } } class Blah extends Activity { @Override public void onCreate(Bundle b){ ... MyApp app...
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Post parameter is always null

...ave to mess around with fiddler putting an = sign at the beginning of your string or changing the content-type. As an aside, I first tried to following one of the answers above which was to change the content type to: "Content-Type: application/x-www-form-urlencoded". For raw data this is bad advi...
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Case insensitive string as HashMap key

I would like to use case insensitive string as a HashMap key for the following reasons. 12 Answers ...
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Check if EditText is empty. [closed]

... findViewById(R.id.editUsername); sUsername = usernameEditText.getText().toString(); if (sUsername.matches("")) { Toast.makeText(this, "You did not enter a username", Toast.LENGTH_SHORT).show(); return; } share ...
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Do subclasses inherit private fields?

...ded the key. Parent - package Dump; public class Parent { private String reallyHidden; private String notReallyHidden; public String getNotReallyHidden() { return notReallyHidden; } public void setNotReallyHidden(String notReallyHidden) { this.notReallyHidd...
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How do I modify fields inside the new PostgreSQL JSON datatype?

..._build_object('<key>', '<value>') Where <key> should be string, and <value> can be whatever type to_jsonb() accepts. For setting a value deep in a JSON hierarchy, the jsonb_set() function can be used: SELECT jsonb_set('{"a":[null,{"b":[]}]}', '{a,1,b,0}', jsonb '{"c":3}') --...
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Detecting if an NSString contains…?

How can I detect if a string contains a certain word? For example, I have a string below which reads: 7 Answers ...
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Find the index of a dict within a list, by matching the dict's value

...as readable or Pythonic is @Emile's answer. Because the intention is not really to create a generator (and using next() for this seems weird to me), the aim is just to get the index. Also, this raises StopIteration, whereas the Python lst.index() method raises ValueError. – Ben...
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how to convert java string to Date object [duplicate]

I have a string 5 Answers 5 ...
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What does collation mean?

... Rules that tell how to compare and sort strings: letters order; whether case matters, whether diacritics matter etc. For instance, if you want all letters to be different (say, if you store filenames in UNIX), you use UTF8_BIN collation: SELECT 'A' COLLATE UTF8_...