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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
... illegal; if you replace dynamic with bool it compiles just fine.
I'm actually meeting with the C# team tomorrow; I'll mention it to them. Apologies for the error!
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What are detached, persistent and transient objects in hibernate?
...(but can still be modified and reattached to a new Session later though).
All this is clearly explained in the whole Chapter 10. Working with objects of the Hibernate documentation that I'm only paraphrasing above. Definitely, a must-read.
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Is there an easy way to check the .NET Framework version?
...b the value from the registry
For .NET 1-4:
Framework is the highest installed version, SP is the service pack for that version.
RegistryKey installed_versions = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP");
string[] version_names = installed_versions.GetSubKeyN...
What Content-Type value should I send for my XML sitemap?
... thumb, the safest bet towards making your document be treated properly by all web servers, proxies, and client browsers, is probably the following:
Use the application/xml content type
Include a character encoding in the content type, probably UTF-8
Include a matching character encoding in the en...
CSS display:table-row does not expand when width is set to 100%
... which includes a containing table. Without it your original question basically provides the equivalent bad markup of:
<tr style="width:100%">
<td>Type</td>
<td style="float:right">Name</td>
</tr>
Where's the table in the above? You can't just have a ro...
Correct use for angular-translate in controllers
...e this, please pay attention to Pascal's answer.
– knalli
Oct 28 '14 at 9:05
I agree, using $watch is overkill. Below ...
PostgreSQL return result set as JSON array?
...up
The json_agg function produces this result out of the box. It automatically figures out how to convert its input into JSON and aggregates it into an array.
SELECT json_agg(t) FROM t
There is no jsonb (introduced in 9.4) version of json_agg. You can either aggregate the rows into an array and ...
How many and which are the uses of “const” in C++?
...structor of it doesn't need to be virtual - the right destructor is still called:
ScopeGuard const& guard = MakeGuard(&cleanUpFunction);
Explanation, using code:
struct ScopeGuard {
~ScopeGuard() { } // not virtual
};
template<typename T> struct Derived : ScopeGuard {
T ...
foldl versus foldr behavior with infinite lists
...ed. If f always uses its first argument, this means Haskell has to recurse all the way down to the innermost term, then work backwards computing each application of f.
This is obviously a far cry from the efficient tail-recursion most functional programmers know and love!
In fact, even though fold...
What is the boundary in multipart/form-data?
...ust the 'key' to separate the multiple "parts" of a multipart payload. Normally something like '&' is enough to separate the variables but you need something more unique to separate the payloads within the payload.
– user2483724
Mar 18 '14 at 18:30
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