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SQL is null and = null [duplicate]
... Given NULL = NULL is not true, we can conclude that the semantic meaning of null is different on either side of the = operator. LHS it is a concept, RHS it a predicate. (i.e. "being unknown" vs "is unknown"). These, by nature, are not equal to each other. ▮
– Mardoxx
...
iOS 7's blurred overlay effect using CSS?
...SS Regions so the browser support is not the best at this moment. (http://caniuse.com/#feat=css-regions)
The key part of this technique is to split apart content from layout by using CSS Region. First define a .content element with flow-into:content and then use the appropriate structure to blur th...
Any reason why scala does not explicitly support dependent types?
There are path dependent types and I think it is possible to express almost all the features of such languages as Epigram or Agda in Scala, but I'm wondering why Scala does not support this more explicitly like it does very nicely in other areas (say, DSLs) ?
Anything I'm missing like "it is not n...
Spring vs EJB. Can Spring replace EJB? [closed]
Since Spring is able to use transactions just like EJB . For me, Spring is able to replace the requirement of using EJB. Can anyone tell me what are the extra advantages of using EJB?
...
What order are the Junit @Before/@After called?
...tBaseTest {
@Before
public final void baseSetUp() { // or any other meaningful name
System.out.println("AbstractBaseTest.setUp");
}
@After
public final void baseTearDown() { // or any other meaningful name
System.out.println("AbstractBaseTest.tearDown");
}
}
and
public clas...
How do you use version control with Access development?
...p; vbCrLf
getErr = strError
End Function
Again, this goes with a companion "compose.cmd" containing:
cscript compose.vbs youraccessapplication.adp
It asks you to confirm overwriting your current application and first creates a backup, if you do. It then collects all source-files in the Sour...
Java Class.cast() vs. cast operator
... edited May 2 '17 at 6:18
hexacyanide
71k2727 gold badges141141 silver badges143143 bronze badges
answered Oct 12 '09 at 15:58
...
How to hide action bar before activity is created, and then show it again?
...ionBar multiple times maybe you have noticed that the first showing is not animated. From then on showing and hiding are animated. If you want to have animation on the first showing too you can use this:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
...
How to define an enumerated type (enum) in C?
...'t usually care about the specific integer value, we care more about the meaning of the symbolic constant name.
This means you can have this:
#include <stdio.h>
enum {a,b,c};
int main(){
printf("%d\n",b);
return 0;
}
and this will output 1.
This also will be valid:
#include <stdio...
How to edit incorrect commit message in Mercurial? [duplicate]
...d 45:c3a3a271d11c - see Mecurial Phases for more.
– Daniel Sokolowski
Sep 3 '13 at 13:13
add ...