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vs in Generics
...s added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them, it's safe for it to treat an...
C#: Raising an inherited event
...the overriden method, you can't raise the event, since you'll get the same error as the one mentioned by TS.
– Frederik Gheysels
Apr 16 '09 at 14:31
2
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How to truncate milliseconds off of a .NET DateTime
... Using this method caused some of my unit tests to fail: Expected: 2010-05-05 15:55:49.000 But was: 2010-05-05 15:55:49.000. I'm guessing due to what Joe mentioned about fractions of a millisecond.
– Seth Reno
May 5 '10 at 20:57
...
Why are C# 3.0 object initializer constructor parentheses optional?
...ve to come up with a rule resolving the ambiguity; we could not make it an error because that would then be a breaking change that changes an existing legal C# program into a broken program.
Therefore the rule would have to be very complicated: essentially that the parentheses are only optional in...
C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术
...03 0042399B call 0041DE60
04 004239A0 mov byte ptr [ebp+FFFFF7FAh],51h
05 004239A7 mov byte ptr [ebp+FFFFF7F4h],52h
06 004239AE mov byte ptr [ebp+FFFFF7F9h],52h
07 004239B5 mov eax,dword ptr [ebp+FFFFF7F0h]
08 004239BB mov ecx,dword ptr [eax+4]
09 004239BE mov byte ptr [ebp+ecx+FFFFF7F4h...
Object-orientation in C
...just your pointers based on the proper offsets, which is really tricky and error-prone.
Another (tricky) thing you can do is change the dynamic type of an object at runtime! You just reassign it a new vtable pointer. You can even selectively change some of the virtual functions while keeping othe...
Finalize vs Dispose
...e done with them
Allow Dispose to be called multiple times without raising errors.
Suppress later calls to the finalizer from within the Dispose method using the GC.SuppressFinalize method
Avoid creating disposable value types
Avoid throwing exceptions from within Dispose methods
Dispose/Finalized...
Find nearest latitude/longitude with an SQL query
... ORDER BY distance limit 100";
$result = mysql_query($query) or die(mysql_error());
while($row = mysql_fetch_assoc($result)) {
echo $row['name']." > ".$row['distance']."<BR>";
}
mysql_close($db);
?>
./assets/db/db.php
<?PHP
/**
* Class to initiate a new MySQL connection based...
Why should I use Restify?
...kes lots of the hard problems of building such a service, like versioning, error handling and content-negotiation easier. It also provides built in DTrace probes that you get for free to quickly find out where your application’s performance problems lie. Lastly, it provides a robust client API tha...
How do I make a splash screen?
...2606414 please create a question on SO for you problem an paste your whole error log.
– Upvote
Sep 2 '13 at 8:32
40
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