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How to check status of PostgreSQL server Mac OS X
How can I tell if my Postgresql server is running or not?
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How can I select every other line with multiple cursors in Sublime Text?
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You can also use (.*\n){10} for every 10 lines
– Joe Daley
Nov 1 '13 at 1:05
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How to add a new row to an empty numpy array
Using standard Python arrays, I can do the following:
6 Answers
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MySql Table Insert if not exist otherwise update
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Jai is correct that you should use INSERT ... ON DUPLICATE KEY UPDATE.
Note that you do not need to include datenum in the update clause since it's the unique key, so it should not change. You do need to include all of the other columns from your table. You can use the VALUES()...
How to use ADB to send touch events to device using sendevent command?
...rying to send touch events to a device using AndroidDebugBridge, so that I can do some basic automation for UI tests. I have followed the discussion in LINK . I am able to use sendevent to simulate touch on emulators, but unable to do the same on a device.
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Bash Script: count unique lines in file
...ns of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
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Getting “unixtime” in Java
...divide by 1000 gets you to Unix epoch.
As mentioned in a comment, you typically want a primitive long (lower-case-l long) not a boxed object long (capital-L Long) for the unixTime variable's type.
long unixTime = System.currentTimeMillis() / 1000L;
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What is the difference D3 datum vs. data?
Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other?
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How to only find files in a given directory, and ignore subdirectories using bash
...didn't find one that would enable me to grasp the concept and make it applicable to my situation based on my limited time. I'm simply running the find command to find certain files, but some files in sub-directories have the same name which I want to ignore. Thanks for any help. Below is the command...
In Python, how do I index a list with another list?
... (using map and a lambda is even slower - to be expected, since it calls a function for each iteration)
– James Hopkin
Jun 18 '09 at 12:03
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