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How to get multiple selected values of select box in php?

... If you want PHP to treat $_GET['select2'] as an array of options just add square brackets to the name of the select element like this: <select name="select2[]" multiple … Then you can acces the array in your PHP script <?php header("Content-...
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In jQuery, how do I get the value of a radio button when they all have the same name?

...ur code, jQuery just looks for the first instance of an input with name q12_3, which in this case has a value of 1. You want an input with name q12_3 that is :checked. $("#submit").click(() => { const val = $('input[name=q12_3]:checked').val(); alert(val); }); <script src="https:/...
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Python function attributes - uses and abuses [closed]

..., arg2): ... then I can define def webmethod(func): func.is_webmethod = True return func Then, when a webservice call arrives, I look up the method, check whether the underlying function has the is_webmethod attribute (the actual value is irrelevant), and refuse the service if ...
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Hash Map in Python

...anged easily. Rehashing is out of scope of this code. class Node: def __init__(self, key, value): self.key = key self.value = value self.next = None class HashMap: def __init__(self): self.store = [None for _ in range(16)] def get(self, key): ind...
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Call static method with reflection

... I prefer simplicity... private void _InvokeNamespaceClassesStaticMethod(string namespaceName, string methodName, params object[] parameters) { foreach(var _a in AppDomain.CurrentDomain.GetAssemblies()) { foreach(var _t in _a.GetTypes()) { ...
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?

... readonly attribute on the form field: class ItemForm(ModelForm): def __init__(self, *args, **kwargs): super(ItemForm, self).__init__(*args, **kwargs) instance = getattr(self, 'instance', None) if instance and instance.pk: self.fields['sku'].widget.attrs['rea...
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When should I use nil and NULL in Objective-C?

...ntions this, but if you dig into objc.h, you'll find the line #define nill __DARWIN_NULL. – gkb0986 Oct 25 '13 at 3:12 1 ...
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Run certain code every n seconds [duplicate]

...ontrol: from threading import Timer class RepeatedTimer(object): def __init__(self, interval, function, *args, **kwargs): self._timer = None self.interval = interval self.function = function self.args = args self.kwargs = kwargs ...
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How to plot two columns of a pandas data frame using points?

...specify the style of the plotted line when calling df.plot: df.plot(x='col_name_1', y='col_name_2', style='o') The style argument can also be a dict or list, e.g.: import numpy as np import pandas as pd d = {'one' : np.random.rand(10), 'two' : np.random.rand(10)} df = pd.DataFrame(d) df....
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Should import statements always be at the top of a module?

...ent libraries, don't break if an optional library is not installed. In the __init__.py of a plugin, which might be imported but not actually used. Examples are Bazaar plugins, which use bzrlib's lazy-loading framework. shar...