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Transaction isolation levels relation with locks on table
...ds the data under some condition i.e. WHERE aField > 10 AND aField < 20, A inserts data where aField value is between 10 and 20, then B reads the data again and get a different result.
SERIALIZABLE - lock on a full table(on which Select query is fired). This means, B reads the data and no othe...
How to pass the values from one activity to previous activity
...
244
To capture actions performed on one Activity within another requires three steps.
Launch the ...
width:auto for fields
...below.
Doesn't fill width:
<form action='' method='post' style='width:200px;background:khaki'>
<input style='width:auto' />
</form>
Fills width:
<form action='' method='post' style='width:200px;background:khaki'>
<input style='width:100%' />
</form>
Sma...
How to check if a model has a certain column/attribute?
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209
For a class
Use Class.column_names.include? attr_name where attr_name is the string name of y...
How to access property of anonymous type in C#?
...
answered Jul 29 '09 at 22:50
Greg BeechGreg Beech
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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...y could not predict the future requirements and they made EJB 1.0 and then 2.0 and then 3.0 and now 3.1 but EJB's target was for just some requirements (transaction, distributed component model, etc).
At the same time (in parallel) they realized that they need to support JSF too, then they made JSF...
How to change plot background color?
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242
Use the set_facecolor(color) method of the axes object, which you've created one of the follow...
How do you set your pythonpath in an already-created virtualenv?
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126
EDIT #2
The right answer is @arogachev's one.
If you want to change the PYTHONPATH used in ...
Why does changing the returned variable in a finally block not change the return value?
...e.
The detailed rules for how all this operates can be found in Section 14.20.2 of the Java Language Specification. Note that execution of a return statement counts as an abrupt termination of the try block (the section starting "If execution of the try block completes abruptly for any other reason ...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
...ith GDB version 7.1 on Ubuntu).
For example:
$ ./crash -p param1 -o param2
Segmentation fault (core dumped)
$ gdb ./crash core
GNU gdb (GDB) 7.1-ubuntu
...
Core was generated by `./crash -p param1 -o param2'. <<<<< See this line shows crash scenario
Program terminated with signal 11...