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What is PostgreSQL explain telling me exactly?
...a bunch of explain plans before), however you can try to verify individual items either by looking in the documentation or (easier) by just throwing the phrase into Google along with a few keywords like EXPLAIN.
This is obviously not a full explanation, but it provides enough context that you can u...
How to bind an enum to a combobox control in WPF?
... following code in Window Loaded event handler, for example:
yourComboBox.ItemsSource = Enum.GetValues(typeof(EffectStyle)).Cast<EffectStyle>();
If you need to bind it in XAML you need to use ObjectDataProvider to create object available as binding source:
<Window x:Class="YourNamespace...
npm throws error without sudo
... Of all the solutions posted the NVM solution here provided the best results for me. Highly recommend using NVM rather than toying with permissions.
– wenincode
Jul 23 '14 at 2:05
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Eclipse: How do you change the highlight color of the currently selected method/expression?
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For those working in Titanium Studio, the item is a little different: It's under the "Titanium Studio" Themes tab.
The color to change is the "Selection" one in the top right.
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What's the difference between echo, print, and print_r in PHP?
... a detailed dump of a variable, including its type and the type of any sub-items (if it's an array or an object). print_r prints a variable in a more human-readable form: strings are not quoted, type information is omitted, array sizes aren't given, etc.
var_dump is usually more useful than print_r...
Why wasn't PyPy included in standard Python?
...yPy does not yet fully support Python 3.x, although that is an active work item.
PyPy is a great project, but runtime speed on CPU-intensive tasks isn't everything, and in many applications it's the least of many concerns. For instance, Django can run on PyPy and that makes templating faster, but...
Java Generics Wildcarding With Multiple Classes
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Here's how you would do it in Kotlin
fun <T> myMethod(item: T) where T : ClassA, T : InterfaceB {
//your code here
}
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How do I pass an object from one activity to another on Android? [duplicate]
...ctivities within my app, and it needs to be the same object. What is the best way to do this?
6 Answers
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How to hide image broken Icon using only CSS/HTML?
...e to display.
display: 'none'; // in css
If we give it in CSS, then the item will not display(like image, iframe, div like that).
If you want to display image & you want to display totally blank space if error, then you can use, but also be careful this will not take any space. So, you need...
This app won't run unless you update Google Play Services (via Bazaar)
... button would take me to the store, but there I would get a message about "item not found" and maps still didn't work. At that point I gave up.
Yesterday, I've fired up the same test app by accident and it worked! I was very confused, but quickly I've made a diff from the emulator where it's workin...