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Android - Writing a custom (compound) component

... { super.onFinishInflate(); mTextView = (TextView)findViewById(R.id.text); } } And then you can use your view in XML layouts as normal. If you want to make the view programmatically you have to inflate it yourself: MyView v = (MyView)inflater.inflate(R.layout.my_view, parent,...
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Change auto increment starting number?

...ment value, and the change will be applied instantly. You can verify this by issuing a SHOW CREATE TABLE t statement. You should see: > SHOW CREATE TABLE t \G *************************** 1. row *************************** Table: t Create Table: CREATE TABLE `t` ( ... ) ENGINE=InnoDB AUTO...
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Difference between classification and clustering in data mining? [closed]

... you want to see whether some set of items form some kind of relationship (by being closer together in some model). You normally don't find classes (if you think that you use clustering to find classes for classification). That is not the case. Instead, you have a training set at the beginning which...
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Using Pylint with Django

... Do not disable or weaken Pylint functionality by adding ignores or generated-members. Use an actively developed Pylint plugin that understands Django. This Pylint plugin for Django works quite well: pip install pylint-django and when running pylint add the following f...
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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

...nnection refused I'm quoting from this answer which also contains a step-by-step MySQL+JDBC tutorial: If you get a SQLException: Connection refused or Connection timed out or a MySQL specific CommunicationsException: Communications link failure, then it means that the DB isn't reachable at ...
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How to pass the values from one activity to previous activity

...Launch the secondary Activity (your 'Edit Text' Activity) as a subactivity by using startActivityForResult from your main Activity. Intent i = new Intent(this,TextEntryActivity.class); startActivityForResult(i, STATIC_INTEGER_VALUE); Within the subactivity, rather than just closing the Activi...
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Ignoring time zones altogether in Rails and PostgreSQL

... in PostgreSQL Internal storage and epoch Internally, timestamps occupy 8 bytes of storage on disk and in RAM. It is an integer value representing the count of microseconds from the Postgres epoch, 2000-01-01 00:00:00 UTC. Postgres also has built-in knowledge of the commonly used UNIX time counting...
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Assert an object is a specific type

...n the exact type of the object. This solutions does not that (as mentioned by @EircG above) and it has even been provided by the user originally asking the question, so definitely not the "correct" answer imo. For the correct answer, please check the Franklin Yu answer. – kekk...
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Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss

... Here's what Oracle's documentation has to say: By default the heap dump is created in a file called java_pid.hprof in the working directory of the VM, as in the example above. You can specify an alternative file name or directory with the -XX:HeapDumpPath= optio...
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Two statements next to curly brace in an equation

... To answer also to the comment by @MLT, there is an alternative to the standard cases environment, not too sophisticated really, with both lines numbered. This code: \documentclass{article} \usepackage{amsmath} \usepackage{cases} \begin{document} \begin...