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What is Prism for WPF?
... only things missing in the BCL you really need for MVVM. It also has the service locator support, which helps if you want to use DI/shared services for VM<->VM communication. It doesn't have some of the "extra" stuff provided by some MVVM "frameworks", such as a messaging framework, etc.
...
Can comments be used in JSON?
...
No.
The JSON should all be data, and if you include a comment, then it will be data too.
You could have a designated data element called "_comment" (or something) that would be ignored by apps that use the JSON data.
You would probably be bett...
How do I access this object property with an illegal name?
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SQL Server - Create a copy of a database table and place it in the same database?
...a new table with the same column structure (just like he said) and inserts all data into the new table for you.
– user5855178
Apr 5 '17 at 14:14
1
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How to check if the string is empty?
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s.strip() allocates a new string, which is pure waste. Use string.isspace()
– Clément
Jun 22 at 15:27
add a ...
Difference between @Mock and @InjectMocks
... into it.
For example
@Mock
StudentDao studentDao;
@InjectMocks
StudentService service;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
}
Here we need the DAO class for the service class. So, we mock it and inject it in the service class instance.
Simila...
What is time_t ultimately a typedef to?
...IX-compliant systems implement the time_t type as a signed
integer (typically 32 or 64 bits wide)
which represents the number of seconds
since the start of the Unix epoch:
midnight UTC of January 1, 1970 (not
counting leap seconds). Some systems
correctly handle negative time values,
w...
Is there a performance difference between a for loop and a for-each loop?
... iterator or index variable
completely. The resulting idiom
applies equally to collections and
arrays:
// The preferred idiom for iterating over collections and arrays
for (Element e : elements) {
doSomething(e);
}
When you see the colon (:), read it as
“in.” Thus, the loop ab...
Code Golf: Collatz Conjecture
...sp+0x04], 2
jne .usage
mov ebx, [esp+0x08]
push dword [ebx+0x04]
call atoi
add esp, 4
cmp eax, 0
je .usage
mov ebx, eax
push eax
push msg
.loop:
mov [esp+0x04], ebx
call printf
test ebx, 0x01
jz .even
.odd:
lea ebx, [1+ebx*2+ebx]
jmp .loop
.even:
shr ebx, 1
...
Are Roslyn SyntaxNodes reused?
...our question about IProjects and IDocuments: we use a similar model in the services layer. Internally there are "DocumentState" and "ProjectState" types that are morally equivalent to the syntax tree's green nodes. The IProject/IDocument objects you get are the red node facades for these. If you loo...