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Java synchronized method lock on object, or method?
If I have 2 synchronized methods in the same class, but each accessing different variables, can 2 threads access those 2 methods at the same time? Does the lock occur on the object, or does it get as specific as the variables inside the synchronized method?
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Who is listening on a given TCP port on Mac OS X?
On Linux, I can use netstat -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
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How important is the order of columns in indexes?
...mns that will be the most selective at the beginning of the index declaration. Example:
5 Answers
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When should I use the new keyword in C++?
I've been using C++ for a short while, and I've been wondering about the new keyword. Simply, should I be using it, or not?
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How can I make an “are you sure” prompt in a Windows batchfile?
I have a batch file that automates copying a bunch of files from one place to the other and back for me. Only thing is as much as it helps me I keep accidentally selecting that command off my command buffer and mass overwriting uncommited changes.
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Programmatically selecting text in an input field on iOS devices (mobile Safari)
How do you programmatically select the text of an input field on iOS devices, e.g. iPhone, iPad running mobile Safari?
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Export database schema into SQL file
...n generating the scripts, there is an area that will allow you to script, constraints, keys, etc. From SQL Server 2008 R2 there is an Advanced Option under scripting:
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PostgreSQL ERROR: canceling statement due to conflict with recovery
I'm getting the following error when running a query on a PostgreSQL db in standby mode. The query that causes the error works fine for 1 month but when you query for more than 1 month an error results.
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Hiding elements in responsive layout?
...ubar items for smaller screens. Is there something similar for other items on the page?
9 Answers
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How can I debug javascript on Android?
I'm working on a project that involves Raphaeljs. Turns out, it doesn't work on Android. It does on the iPhone.
18 Answer...