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Is nested function a good approach when required by only one function? [closed]
...
>>> def sum(x, y):
... def do_it():
... return x + y
... return do_it
...
>>> a = sum(1, 3)
>>> a
<function do_it at 0xb772b304>
>>> a()
4
Is this what you were looking for? It's called a closure.
...
How to set DialogFragment's width and height?
... be in onResume(), not onCreateView(). (My root layout is RelativeLayout wrapped in a ScrollView.)
– Jonik
Feb 26 '14 at 14:54
14
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Do you put unit tests in same project or another project?
...
IMO the cons you list aren't always applicable. A pro for same-project is easier grouping of tested class + tests - these small conveniences go a long way when writing tests. Personal preference wins here, and sometimes your points are relevant, just not all th...
How do I expand a tuple into variadic template function's arguments?
...meters
*
* @tparam N Number of tuple arguments to unroll
*
* @ingroup g_util_tuple
*/
template < uint N >
struct apply_obj_func
{
template < typename T, typename... ArgsF, typename... ArgsT, typename... Args >
static void applyTuple( T* pObj,
void (T::*...
Authorize a non-admin developer in Xcode / Mac OS
...
You need to add your OS X user name to the _developer group. See the posts in this thread for more information. The following command should do the trick:
sudo dscl . append /Groups/_developer GroupMembership <username>
...
How can I access and process nested objects, arrays or JSON?
...tation again to access the name property. So we eventually get:
const item_name = data.items[1].name;
Alternatively, we could have used bracket notation for any of the properties, especially if the name contained characters that would have made it invalid for dot notation usage:
const item_name ...
How do you get the list of targets in a makefile?
... make list:
.PHONY: list
list:
@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$'
Important: On pasting this, make sure that the last line i...
Check image width and height before upload with Javascript
...
The file is just a file, you need to create an image like so:
var _URL = window.URL || window.webkitURL;
$("#file").change(function (e) {
var file, img;
if ((file = this.files[0])) {
img = new Image();
var objectUrl = _URL.createObjectURL(file);
img.onload = ...
Business logic in MVC [closed]
...t even clearer.) The M is everything else: all the data and logic of your application. You can segregate data and business logic within this layer, and you can call the data portion of this layer your "model", but that's not what the "M" in "MVC" is referring to.
– Mud
...
Why not use java.util.logging?
...ss in 6 as well, but I'm not too sure).
JUL isn't well suited for multiple applications with different configurations in the same JVM (think multiple web applications that should not interact). Tomcat needs to jump through some hoops to get that working (effectively re-implementing JUL if I understo...