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Using Django time/date widgets in custom form

... the proper field names from your model): from django import forms from my_app.models import Product from django.contrib.admin import widgets class ProductForm(forms.ModelForm): class Meta: model = Product def __init__(self, *args, **kwargs): ...
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How to add a new method to a php object on the fly?

... You can harness __call for this: class Foo { public function __call($method, $args) { if (isset($this->$method)) { $func = $this->$method; return call_user_func_array($func, $args); } ...
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tmux set -g mouse-mode on doesn't work

...ke scrolling with wheels work bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'" bind -n WheelDownPane select-pane -t= \; send-keys -M This will enable scrolling on hover over a pane and y...
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Django admin: how to sort by one of the custom list_display fields that has no database field

How could I sort Customers, depending on number_of_orders they have? 3 Answers 3 ...
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No Swipe Back when hiding Navigation Bar in UINavigationController

...a controller in the UINavigationController stack is what is causing the EXC_BAD_ACCESS errors. Full Solution First, add this class to your project: class InteractivePopRecognizer: NSObject, UIGestureRecognizerDelegate { var navigationController: UINavigationController init(controller: U...
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How to download image from url

..."https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-xpf1/v/t34.0-12/10555140_10201501435212873_1318258071_n.jpg?oh=97ebc03895b7acee9aebbde7d6b002bf&oe=53C9ABB0&__gda__=1405685729_110e04e71d9"); using (MemoryStream mem = new MemoryStream(data)) { using (var yourImage = Image.Fro...
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Difference between passing array and array pointer into function in C

... eax, 0Fh add eax, 0Fh shr eax, 4 shl eax, 4 mov [ebp+var_C], eax mov eax, [ebp+var_C] call sub_401730 call sub_4013D0 mov [ebp+var_8], 2 mov [ebp+var_4], 4 lea eax, [ebp+var_8] mov [esp+18h+var_18], eax call sub_401290 call _getch leave retn So th...
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What is the difference between a field and a property?

...It is private to your class and stores the actual data. private string _myField; // this is a property. When accessed it uses the underlying field, // but only exposes the contract, which will not be affected by the underlying field public string MyProperty { get ...
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What's the algorithm to calculate aspect ratio?

...store.steampowered.com/hwsurvey, section 'Primary Display Resolution' steam_file = './steam.txt' # Taken from http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Vector_Video_Standards4.svg/750px-Vector_Video_Standards4.svg.png accepted_ratios = ['5:4', '4:3', '3:2', '8:5', '5:3', '16:9', '17:...
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How to sort a list in Scala by two fields?

...ant for longer names (Wild, Wilder, Wilderman). If you write rows.sortBy(_.lastName + _.firstName) with 2 underlines, the method expects two parameters: <console>:14: error: wrong number of parameters; expected = 1 rows.sortBy (_.lastName + _.firstName) ...