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Python Flask, how to set content type
...m flask import Response
@app.route('/ajax_ddl')
def ajax_ddl():
xml = 'foo'
return Response(xml, mimetype='text/xml')
The actual Content-Type is based on the mimetype parameter and the charset (defaults to UTF-8).
Response (and request) objects are documented here: http://werkzeug.pocoo.o...
Git status shows files as changed even though contents are the same
I received a git checkout from someone else and am trying to commit the unstaged changes to the local repository. However, a lot (if not every) file appears as modified even though the contents are exactly the same.
...
Modern way to filter STL container?
...e the example from cplusplus.com for std::copy_if:
std::vector<int> foo = {25,15,5,-5,-15};
std::vector<int> bar;
// copy only positive numbers:
std::copy_if (foo.begin(), foo.end(), std::back_inserter(bar), [](int i){return i>=0;} );
std::copy_if evaluates the lambda expression f...
FirstOrDefault: Default value other than null
...d NullReferenceException when I'm working with collections:
public class Foo
{
public string Bar{get; set;}
}
void Main()
{
var list = new List<Foo>();
//before C# 6.0
string barCSharp5 = list.DefaultIfEmpty(new Foo()).FirstOrDefault().Bar;
//C# 6.0 or later
var barCS...
Normalization in DOM parsing with java - how does it work?
...pty Text nodes.
This basically means that the following XML element
<foo>hello
wor
ld</foo>
could be represented like this in a denormalized node:
Element foo
Text node: ""
Text node: "Hello "
Text node: "wor"
Text node: "ld"
When normalized, the node will look l...
in_array multiple values
...precisely equal to the targets:
$haystack = array(...);
$target = array('foo', 'bar');
if(count(array_intersect($haystack, $target)) == count($target)){
// all of $target is in $haystack
}
Note that you only need to verify the size of the resulting intersection is the same size as the array...
ValueError: setting an array element with a sequence
...uple into a numpy
#array element
def foo():
return 3
numpy.array([2, foo()]) #good
def foo():
return [3,4]
numpy.array([2, foo()]) #Fail, can't convert a list into a numpy
#array element
2. B...
How to check if all of the following items are in a list?
I found, that there is related question, about how to find if at least one item exists in a list:
How to check if one of the following items is in a list?
...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
My Activity is trying to create an AlertDialog which requires a Context as a parameter. This works as expected if I use:
28...
How to use Servlets and Ajax?
...rm" action="someservlet" method="post">
<input type="text" name="foo" />
<input type="text" name="bar" />
<input type="text" name="baz" />
<input type="submit" name="submit" value="Submit" />
</form>
You can progressively enhance it with ajax as bel...