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Checking if form has been submitted - PHP
...e was a POST action use:
if (!empty($_POST))
EDIT: As stated in the comments, this method won't work for in some cases (e.g. with check boxes and button without a name). You really should use:
if ($_SERVER['REQUEST_METHOD'] == 'POST')
...
in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
I am trying to plot some data using pandas in Ipython Notebook, and while it gives me the object, it doesn't actually plot the graph itself. So it looks like this:
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jQuery select by attribute using AND and OR operators
I'm thinking about, if it is possible in jQuery to select elements by named attributes using AND and OR.
8 Answers
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Get raw POST body in Python Flask regardless of Content-Type header
...will.
If you access request.data first, it will call get_data with an argument to parse form data first. If the request has a form content type (multipart/form-data, application/x-www-form-urlencoded, or application/x-url-encoded) then the raw data will be consumed. request.data and request.json wi...
What does InitializeComponent() do, and how does it work in WPF?
... the default constructor of at least Window and UserControl) is actually a method call to the partial class of the control (rather than a call up the object hierarchy as I first expected).
This method locates a URI to the XAML for the Window/UserControl that is loading, and passes it to the System....
grep exclude multiple strings
...Two examples of filtering out multiple lines with grep:
Put this in filename.txt:
abc
def
ghi
jkl
grep command using -E option with a pipe between tokens in a string:
grep -Ev 'def|jkl' filename.txt
prints:
abc
ghi
Command using -v option with pipe between tokens surrounded by parens:
egr...
How to view DLL functions?
...dency Walker. It also possible to use dumpbin command line utility that comes with Visual Studio.
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How to turn on (literally) ALL of GCC's warnings?
... for 4.4.0. They're not all on the page you link to though, for instance some language-specific options are on the pages for C++ options or Obj-C options. To find them all you're better off looking at the Options Summary
Turning on everything would include -Wdouble-promotion which is only relevant ...
Opposite of %in%: exclude rows with values specified in a vector
A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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How to Append in javascript? [duplicate]
I need to use childappend or jquery append() to append some tag stuff into the document. From what I can tell, this is getting stripped out. Anyone know how to do it?
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