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HTTP test server accepting GET/POST requests
...nk performs a GET, but if you do a POST to that url it works. Try: curl -iX POST httpbin.org/post it returns a 200.
– Robert
Nov 3 '15 at 23:36
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How do I check if a column is empty or null in MySQL?
...S NOT NULL e.g.
SELECT myCol
FROM MyTable
WHERE MyCol IS NULL
In your example you have various permutations of white space. You can strip white space using TRIM and you can use COALESCE to default a NULL value (COALESCE will return the first non-null value from the values you suppy.
e.g.
SELECT ...
Viewing unpushed Git commits
...te repository? Occasionally, git status will print out that my branch is X commits ahead of origin/master , but not always.
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How to get the next auto-increment id in mysql
How to get the next id in mysql to insert it in the table
19 Answers
19
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How do I change the UUID of a virtual disk?
I am trying to create a new virtual machine with Oracle VirtualBox, using an already-existing hard disk. When I try to select the existing hard disk file, a .vhd file, it displays an error saying the virtual hard disk cannot be used because the UUID already exists.
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Stack Memory vs Heap Memory [duplicate]
I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporar...
Switching a DIV background image with jQuery
I am making an expand/collapse call rates table for the company I work for. I currently have a table with a button under it to expand it, the button says "Expand". It is functional except I need the button to change to "Collapse" when it is clicked and then of course back to "Expand" when it is clic...
Pretty graphs and charts in Python [closed]
...ts of data though (correct me if I'm wrong). You can't add labels to the axis to summarise the hlabels or vlabels. I can't see anyway to plot multiple lines on a graph or have any control over the colours used. I could hack away at the script... moving to matplotlib...
– Jon...
Display help message with python argparse when script is called without any arguments
...derr.write('error: %s\n' % message)
self.print_help()
sys.exit(2)
parser = MyParser()
parser.add_argument('foo', nargs='+')
args = parser.parse_args()
Note that the above solution will print the help message whenever the error
method is triggered. For example, test.py --blah wil...