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Why does sizeof(x++) not increment x?
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what do you mean by variable length array type? That does mean the operand is an array? The code in this case is not an array. Can you clear things up for me?
– Neigyl R. Noval
Nov 22 '1...
Compelling examples of custom C++ allocators?
What are some really good reasons to ditch std::allocator in favor of a custom solution? Have you run across any situations where it was absolutely necessary for correctness, performance, scalability, etc? Any really clever examples?
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How to hide a in a menu with CSS?
...sed with .val() and .arraySerialize()
Try to select options 4 and 5 to see what I mean:
<select id="t">
<option value="v1">options 1</option>
<option value="v2">options 2</option>
<option value="v3" id="o3">options 3</option>
<option value="v4">option...
Restrict varchar() column to specific values?
...t, 1 byte for tinyint. Over millions of rows, this will make a difference.
What about collation? Is "Daily" the same as "DAILY"? It takes resources to do this kind of comparison.
Finally, what if you want to add "Biweekly" or "Hourly"? This requires a schema change when you could just add new rows t...
Java concurrency: Countdown latch vs Cyclic barrier
...Barrier is cyclic because you invoke the reset() method. That is true, but what they don't often mention is that the barrier is reset automatically as soon as it is triggered. I will post some sample code to illustrate this.
– Kevin Lee
Apr 12 '14 at 6:18
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How can I convert NSDictionary to NSData and vice versa?
...ase];
// Here, data holds the serialized version of your dictionary
// do what you need to do with it before you:
[data release];
NSData -> NSDictionary
NSData *data = [[NSMutableData alloc] initWithContentsOfFile:[self dataFilePath]];
NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc...
Why does HTML think “chucknorris” is a color?
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Note that, despite what that blog post says, when you get to handling 3-char strings, you duplicate each character, rather than prepending 0. i.e. 0F6 becomes #00FF66, not #000F06.
– Aaron Dufour
Feb 5 '1...
Update Row if it Exists Else Insert Logic with Entity Framework
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Thanks. Looks like what I need. Can I ask you one question that's been bothering me for a while? Normally, I put my context in a short using block. Is it okay to leave the context in memory for a while? For example, during the life of a Windows...
Non greedy (reluctant) regex matching in sed?
...earch and remember http://followed by any characters except / and remember what you've found
we want to search untill the end of domain so stop on the next / so add another / at the end: sed -n 's;\(http://[^/]*\)/' but we want to match the rest of the line after the domain so add .*
now the match r...
ruby inheritance vs mixins
... a class’s one and only superclass relationship to
endow the class with what might turn out to be just one of several sets of characteristics.
Summing up these rules in one example, here is what you should not do:
module Vehicle
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class SelfPropelling
...
class Truck < SelfPropelling ...