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Gridview with two columns and auto resized images
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How do I find the authoritative name-server for a domain name?
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An example:
$ whois stackoverflow.com
[...]
Domain servers in listed order:
NS51.DOMAINCONTROL.COM
NS52.DOMAINCONTROL.COM
As for the extra credit: Yes, it is possible.
aryeh is definitely wrong, as his suggestion usually will only give you the IP address for the hostname. If y...
Visual Studio debugging “quick watch” tool and lambda expressions
... the following into the watch window
(Func<int>)(() => v2);
In order to properly execute this the debugger (or more appropriate the EE) would need to create a closure for variable v2. This is difficult but not impossible to do.
What really makes this a tough job for the EE though is ...
.NET HashTable Vs Dictionary - Can the Dictionary be as fast?
...ash table data structure internally. None of them guarantee preserving the order of items.
Leaving boxing/unboxing issues aside, most of the time, they should have very similar performance.
The primary structural difference between them is that Dictionary relies on chaining (maintaining a list o...
Django Admin - change header 'Django administration' text
...te_header, site_title, and index_title attributes on a custom AdminSite in order to easily change the admin site’s page title and header text. Create an AdminSite subclass and hook your instance into your URLconf:
admin.py:
from django.contrib.admin import AdminSite
from django.utils.translation...
How to use GROUP BY to concatenate strings in SQL Server?
...putid, SCHME + ' ('+DESCR+')', rn=ROW_NUMBER() over (PARTITION by outputid order by schme, descr)
from @t
)
,cte2(outputid,finalstatus,rn)
as
(
select OUTPUTID, convert(varchar(max),combined), 1 from cte where rn=1
union all
select cte2.outputid, convert(varchar(max),cte2.finalstatus+', '+cte.comb...
Replace all elements of Python NumPy Array that are greater than some value
... 0, 255, arr)
(the out= name is optional since the arguments in the same order as the function's definition.)
For in-place modification, the boolean indexing speeds up a lot (without having to make and then modify the copy separately), but is still not as fast as minimum:
In [328]: %%timeit
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Setting onClickListener for the Drawable right of an EditText [duplicate]
... {
Rect bounds;
if (event.getAction() == MotionEvent.ACTION_DOWN) {
actionX = (int) event.getX();
actionY = (int) event.getY();
if (drawableBottom != null
&& drawableBottom.getBounds().contains(actionX, actionY)) {
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What RSA key length should I use for my SSL certificates?
... Don't know when but could take decades.
Doubling the size takes many many orders of magnitude more compute power to crack. See question how much stronger is RSA 2048 compared to 1024.
4096 bits
4096 bits RSA certificates are the next step
Widely available and supported. All major CA can provid...
How to clone a case class instance and change just one field in Scala?
...ed on current value.
val newPersona2 = messageLens.modify(existingPersona)(_ + "iPad")
// Results:
// newPersona1: Persona(store,apple,Set())
// newPersona2: Persona(store,apple,Set(iPhone, iPad))
Moreover, in case you have nested case classes, the getter and setter methods can be a bit tedious t...
