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Differences between .NET 4.0 and .NET 4.5 in High level in .NET
... you bind data
controls directly to data-access methods, and automatically convert
user input to and from .NET Framework data types.
Support for unobtrusive JavaScript in client-side validation scripts.
Improved handling of client script through bundling and minification
for improved page performanc...
Can “using” with more than one resource cause a resource leak?
...ear. Suppose we have:
public sealed class Foo : IDisposable
{
private int handle = 0;
private bool disposed = false;
public Foo()
{
Blah1();
int x = AllocateResource();
Blah2();
this.handle = x;
Blah3();
}
~Foo()
{
Dispose(...
What does “default” mean after a class' function declaration?
...don't want the compiler to generate that function automatically.
With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = default and = delete...
Why use Ruby instead of Smalltalk? [closed]
...ruth ? I once spend a week hunting for a bug that happened when a terminal converted my space to a tab and the intending got messed up).
So people started to code more and more in ruby because it was so relaxing, enjoying and not a cloud on the sky.
Paul Graham sums it up
It's true, certainly,...
How do I combine a background-image and CSS3 gradient on the same element?
...ut images that aren't already semi-transparent can't be easily/dynamically converted to be used in this manner. That's why I find the approach of putting the gradient first more generally useful.
– waldyrious
Jan 14 '18 at 13:23
...
Multiline bash commands in makefile
...ipts within makefiles:
Escape the script's use of $ by replacing with $$
Convert the script to work as a single line by inserting ; between commands
If you want to write the script on multiple lines, escape end-of-line with \
Optionally start with set -e to match make's provision to abort on sub-c...
When should I use a table variable vs temporary table in sql server?
...ables were those implicitly created through a UNIQUE or PRIMARY KEY constraint. SQL Server 2014 introduced inline index syntax for a subset of the options available in CREATE INDEX. This has been extended since to allow filtered index conditions. Indexes with INCLUDE-d columns or columnstore indexes...
How does BLAS get such extreme performance?
...
A good starting point is the great book The Science of Programming Matrix Computations by Robert A. van de Geijn and Enrique S. Quintana-Ortí. They provide a free download version.
BLAS is divided into three levels:
Level 1 defines a set of...
What is the proper way to URL encode Unicode characters?
...present characters from the unreserved set without translation, and should convert all other characters to bytes according to UTF-8, and then percent-encode those values. This requirement was introduced in January 2005 with the publication of RFC 3986. URI schemes introduced before this date are not...
Best practice: AsyncTask during orientation change
...
I usually solve this by having my AsyncTasks fire broadcast Intents in the .onPostExecute() callback, so they don't modify the Activity that started them directly. The Activities listen to these broadcasts with dynamic BroadcastReceivers and act accordingly.
This way the AsyncTasks ...