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How does Java Garbage Collection work with Circular References?
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Java's GC considers objects "garbage" if they aren't reachable through a chain starting at a garbage collection root, so these objects will be collected. Even though objects may point to each other to form a cycle, they're still garbage i...
difference between variables inside and outside of __init__()
...hen assigned a value via an instance reference (as in self.varname = X) a new self.varname will be created for that instance only, obscuring the class variable. The class var remains reachable through a class reference (e.g: WithClass.varname). And class vars can also be set from any method by pref...
Commonly accepted best practices around code organization in JavaScript [closed]
...eated from the outside of such a module? Or should there be a method createNewSomething() in the return object, so object creation happens solely within the module? Hm... I would expect that classes (constructors) are visisble from the outside.
– robsch
Jul 4 '...
Exposing database IDs - security risk?
...em: predictable IDs can reveal sensitive information such as the number of new customers within a certain timeframe. You really don't want to expose such information.
– user247702
Apr 16 '18 at 11:10
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Counting Chars in EditText Changed Listener
...ditText)findViewById(R.id.textMessage);
textMessage.addTextChangedListener(new TextWatcher(){
public void afterTextChanged(Editable s) {
tv.setText(String.valueOf(s.toString().length()));
}
public void beforeTextChanged(CharSequence s, int start, int count, int after){}
publi...
Unable to resolve host “”; No address associated with hostname [closed]
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This was my problem too, trying some new library to download file. searching here and there for some hour on the library documentation and on the web because it is failed to download the file.. turn out it was the emulator connection problem, lol. It wasting tim...
Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
... Also check that the Parent is getting compiled. In my case I knew the superclass existed, but it wasnt actually getting compiled properly.
– Joseph Rajeev Motha
Mar 21 '14 at 2:53
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CSS Pseudo-classes with inline styles
...classes or any other selectors in inline styles would possibly introduce a new cascade level, and with it a new set of complications.
Note also that very old revisions of the Style Attributes spec did originally propose allowing this, however it was scrapped, presumably for the reason given above, o...
How do you create a yes/no boolean field in SQL server?
...look like:
ALTER TABLE table_name ADD yes_no BIT
If you want to create a new table, you could do: CREATE TABLE table_name (yes_no BIT).
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How do I access call log for android?
...ck out this
private String getCallDetails() {
StringBuffer sb = new StringBuffer();
Cursor managedCursor = managedQuery(CallLog.Calls.CONTENT_URI, null,
null, null, null);
int number = managedCursor.getColumnIndex(CallLog.Calls.NUMBER);
int type = m...