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Initialize a byte array to a certain value, other than the default null? [duplicate]
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For small arrays use array initialisation syntax:
var sevenItems = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
For larger arrays use a standard for loop. This is the most readable and efficient way to do it:
var se...
How can I get a Dialog style activity window to fill the screen?
...tivity with the dialog theme set, and I want it to be full screen. I tried all sorts of things, even going through the WindowManager to expand the window to full width and height manually, but nothing works.
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Bootstrap: How do I identify the Bootstrap version?
I want to update Bootstrap on a site, but I don't know the installed version.
11 Answers
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Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?
...sue.
NuGet
With NuGet it's easy to get into this situation if:
You install a package to one project in your solution.
A new version of that package is deployed to the package source.
You install it to another project in the same solution.
This results in two projects in your solution referenci...
Check if Internet Connection Exists with Javascript? [duplicate]
...browsers, doing so with older web browsers may not work as expected, or at all.
Alternatively, an XHR request to your own server isn't that bad of a method for testing your connectivity. Considering one of the other answers state that there are too many points of failure for an XHR, if your XHR is ...
Defining an abstract class without any abstract methods
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Of course.
Declaring a class abstract only means that you don't allow it to be instantiated on its own.
Declaring a method abstract means that subclasses have to provide an implementation for that method.
The two are separate concepts, though obviously you can't have an abstract method ...
efficient way to implement paging
...irect paging in the SQL engine.
Giving you an example, I have a db table called mtcity and I wrote the following query (work as well with linq to entities):
using (DataClasses1DataContext c = new DataClasses1DataContext())
{
var query = (from MtCity2 c1 in c.MtCity2s
select c1)...
Create numpy matrix filled with NaNs
...r operations in numpy.
You can create an uninitialized array and assign to all entries at once:
>>> a = numpy.empty((3,3,))
>>> a[:] = numpy.nan
>>> a
array([[ NaN, NaN, NaN],
[ NaN, NaN, NaN],
[ NaN, NaN, NaN]])
I have timed the alternatives a[:] ...
Hidden Features of ASP.NET [closed]
...on most people don't know them. I am asking for features that are not typically taught by the text books.
53 Answers
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How do I get the SharedPreferences from a PreferenceActivity in Android?
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this, Android provides a simple set of APIs.
Preferences are typically name value pairs. They can be stored as
“Shared Preferences” across various activities in an application (note
currently it cannot be shared across processes). Or it can be
something that needs to be stored spe...