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PostgreSQL function for last inserted ID
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( tl;dr : goto option 3: INSERT with RETURNING )
Recall that in postgresql there is no "id" concept for tables, just sequences (which are typically but not necessarily used as default values for surrogate primary keys, with the SERIAL pseudo-type).
If you...
Running script upon login mac [closed]
I am wondering if anyone is able to help me out with getting a .sh file to run when I log in to my account on my computer. I am running Mac OS X 10.6.7.
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How to get the CPU Usage in C#?
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You can use the PerformanceCounter class from System.Diagnostics.
Initialize like this:
PerformanceCounter cpuCounter;
PerformanceCounter ramCounter;
cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
ramCounter = new PerformanceCounter("Memory", "Available MByt...
“405 method not allowed” in IIS7.5 for “PUT” method
...my server. On the server side, I registered a HTTP handler for *.cab file with the PUT method as below:
20 Answers
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The “backspace” escape character '\b': unexpected behavior?
So I'm finally reading through K&R , and I learned something within the first few pages, that there is a backspace escape character, \b .
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Pinging servers in Python
...works in any OS (Unix, Linux, macOS, and Windows)
Python 2 and Python 3
EDITS:
By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated.
import platform # For getting the operating system name
impo...
What is this operator in MySQL?
I'm working on code written by a previous developer and in a query it says,
9 Answers
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What do the following phrases mean in C++: zero-, default- and value-initialization?
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One thing to realize is that 'value-initialization' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitio...
Calculate the date yesterday in JavaScript
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Nice. At first glance, it might seem that this would fail as getDate returns the day of the month (eg: 1 - 31) but actually setDate(0) sets the date to the last day of the previous month. Does this work across all browsers though?
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Hosting ASP.NET in IIS7 gives Access is denied?
... uses .NET Framework 4.0 (runned by NetworkService) but when browsing the site I get this:
17 Answers
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