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Best way to center a on a page vertically and horizontally? [duplicate]
Best way to center a <div> element on a page both vertically and horizontally?
30 Answers
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Converting java.util.Properties to HashMap
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This is because Properties extends Hashtable<Object, Object> (which, in turn, implements Map<Object, Object>). You attempt to feed that into a Map<String, String>. It is therefore incompatible.
You need to feed string properties one by one into your m...
What does “mro()” do?
...long...:
>>> class A(object): pass
...
>>> A.__mro__
(<class '__main__.A'>, <type 'object'>)
>>> class B(A): pass
...
>>> B.__mro__
(<class '__main__.B'>, <class '__main__.A'>, <type 'object'>)
>>> class C(A): pass
...
&g...
Can I access a form in the controller?
...ought I'd spell it out a bit for those using the "Controller As" syntax:
<div ng-controller="MyController as ctrl">
<form name="ctrl.myForm">
...inputs
Dirty? {{ctrl.myForm.$dirty}}
<button ng-click="ctrl.saveChanges()">Save</button>
</form>
</div>...
How to create a multi-tenant database with shared table structures?
...tenance cost significantly, you can still tame this beast using automation scripts over your cloud infrastructure such that everything becomes programmatically managed, requiring little to no human effort at all
– Korayem
Apr 12 '17 at 16:06
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How to remove the default arrow icon from a dropdown list (select element)?
I want to remove the dropdown arrow from a HTML <select> element. For example:
12 Answers
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Custom checkbox image android
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Create a drawable checkbox selector:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:drawable="@drawable/checkbox"
android:state_checked="false"/>
<...
Initialization of an ArrayList in one line
...you wrote, as it does not need to create a new List in any way:
ArrayList<String> list = new ArrayList<String>();
list.add("A");
list.add("B");
list.add("C");
The catch is that there is quite a bit of typing required to refer to that list instance.
There are alternatives, such as mak...
Is it possible to figure out the parameter type and return type of a lambda?
.... The trick, as described in the answer in that question, is to use the decltype of the lambda's operator().
template <typename T>
struct function_traits
: public function_traits<decltype(&T::operator())>
{};
// For generic types, directly use the result of the signature of its ...
Assigning out/ref parameters in Moq
...leReturns(ref int amount); // needed for Returns
var mock = new Mock<IGobbler>();
mock.Setup(m => m.Gobble(ref It.Ref<int>.IsAny)) // match any value passed by-ref
.Callback(new GobbleCallback((ref int amount) =>
{
if (amount > 0)
{
...